Introduction: The Vertical Imperative of the Lion City

The skyline of Singapore is more than a collection of impressive buildings; it is a meticulously engineered ecosystem, a high-tech response to the profound constraints of land scarcity and the nation’s relentless drive for economic progress.1 In a city-state where every square meter is precious, the only direction for growth is upwards. This vertical imperative has transformed Singapore into a living laboratory for high-density urbanism, where supertall buildings are not merely symbols of prosperity but essential components of a sustainable future. 

From the iconic silhouette of Marina Bay Sands to the towering heights of Guoco Tower, these structures stand as testaments to the nation’s ingenuity and ambition.3 However, reaching for the sky in Singapore is a complex endeavor, fraught with challenges that demand pioneering solutions.

The development of Singapore’s supertall skyscrapers is defined by a triad of interconnected challenges and the innovations they have spurred. First is the geotechnical necessity born from the island’s challenging subsoil conditions. 

Much of the prime real estate in the Central Business District (CBD) is built upon the Kallang Formation, a soft, compressible marine clay that requires sophisticated deep foundation engineering to support the immense weight of a skyscraper.2 Second is the drive for

structural ingenuity. The quest for greater height, larger column-free interior spaces, and construction efficiency has propelled the adoption of advanced hybrid and composite structural systems that optimize the use of steel and concrete.6 Third is the

sustainability mandate. A powerful, government-led push for green building, codified in the BCA Green Mark scheme, is fundamentally reshaping architectural forms and material choices.8 This has given rise to a new generation of “biophilic” towers that integrate nature into their very fabric, creating novel structural problems that engineers must solve.

This report provides an exhaustive analysis of these interwoven themes. It delves into the unseen world beneath the city, exploring the geotechnical solutions that anchor these giants to the earth. It then dissects the structural skeletons that allow them to soar, examining the evolution of systems from rigid frames to composite cores and diagrids. The analysis will further explore the dynamic forces of wind and far-field seismicity that these structures must resist, and the performance-based design philosophies used to ensure their safety and comfort. 

Finally, through detailed case studies of Guoco Tower, Singapore’s current tallest building, and the upcoming 305-meter 8 Shenton Way, this report will illuminate the technologies, materials, and design principles that define the present and future of Singapore’s vertical city.10 These buildings are not just constructed; they are orchestrated solutions to a complex set of uniquely Singaporean challenges.

 

1. The Foundation of Ambition: Conquering Singapore’s Geotechnical Challenges

 

Before a skyscraper can pierce the clouds, its foundations must conquer the earth beneath it. In Singapore, this is a monumental challenge that dictates much of the subsequent architectural and structural design. The island’s complex and often problematic geology, particularly in the prime development areas, has forced engineers to develop and deploy some of the world’s most advanced deep foundation techniques.

 

The Geological Context

 

While a small island, Singapore possesses a surprisingly diverse and challenging subsoil profile, dominated by several major geological formations: the hard and stable Bukit Timah Granite in the central region, the highly variable sedimentary Jurong Formation in the west, and the geotechnically demanding Kallang Formation, which covers most of the coastal plains, river valleys, and reclaimed land where the CBD is located.5

The Kallang Formation is the primary antagonist in the story of Singapore’s high-rise construction.13 As the youngest geological deposit, it consists of soft marine clay, loose alluvial sand, and organic, peaty muds.13 These soils exhibit high compressibility, low shear strength, and a high moisture content, making them entirely unsuitable for supporting the immense, concentrated loads of a supertall building with conventional shallow foundations.5 

Furthermore, in areas of land reclamation, such as Marina Bay, this soft clay can still be consolidating under the weight of the fill material decades after placement, leading to ongoing settlement and negative skin friction on foundation elements.15 This challenging ground requires that skyscraper loads be transferred deep into the earth, bypassing the weak Kallang Formation entirely to rest on the much stiffer and stronger residual soils of the Jurong or Granite Formations or the bedrock itself.19

 

Engineering the Unseen: Deep Foundation Systems

 

To overcome these conditions, Singaporean engineers rely on sophisticated deep foundation systems. The goal is to create a stable base by anchoring the building to competent strata, which can be dozens of meters below the surface.

• Bored Piles and Barrette Piles: These are the workhorses of Singapore’s deep foundation industry and are used for most of the city’s high-rise buildings.18 The process involves using high-capacity drilling rigs to excavate deep, large-diameter shafts through the soft soil and into the underlying rock. A steel reinforcement cage is then lowered into the shaft, which is subsequently filled with high-strength concrete. This creates massive, high-capacity columns in the ground, capable of supporting the tower’s weight. Barrette piles are functionally similar but are rectangular in shape, constructed using diaphragm walling techniques, which can offer higher capacity in certain directions.
• Piled-Raft Foundations: This hybrid system represents a more advanced and economical approach to building on soft soils.21 A piled-raft foundation combines a large, thick concrete slab (the raft) at the base of the building with a strategically placed group of deep piles. In this system, the load is shared between the raft, which bears directly on the soil, and the piles. The piles are not designed to carry the entire building load but act as “settlement-reducers,” controlling both total and differential settlement and increasing the overall bearing capacity of the system.21 This approach is more efficient than a purely pile-supported foundation because it mobilizes the bearing capacity of the soil directly beneath the raft, reducing the number and size of piles required and leading to significant cost and material savings.21

The challenging geology of Singapore has acted as a powerful catalyst for innovation that extends far beyond the foundations. The immense cost and technical complexity of constructing deep foundations in the Kallang Formation create a powerful economic incentive for structural engineers to design the lightest possible superstructure. Every tonne of weight saved in the tower above translates directly into savings in the foundation below. 

This economic reality has been a key driver in the adoption of advanced, lightweight structural systems like steel-concrete composite construction. Lighter systems become more economically viable because the substantial savings in foundation costs can offset the potentially higher material cost of the superstructure itself.6 Thus, the very ground upon which Singapore is built has fundamentally shaped the evolution of its skyline, pushing engineers towards greater efficiency and material innovation.

 

Case Study: The Foundation of Guoco Tower (Tanjong Pagar Centre)

 

The foundation design for the 290-meter Guoco Tower, engineered by Arup, is a masterclass in data-driven geotechnical engineering on a complex urban site.22 The project is situated in a dense environment, bounded by major roads, historically significant shophouses, and, most critically, an operational Mass Rapid Transit (MRT) station directly beneath it.23

Arup’s approach was defined by meticulous analysis. They deployed advanced geotechnical software, including Bentley’s gINT and PLAXIS, to create detailed 3D simulations of the subsoil conditions.22 This allowed the team to manage and interpret vast amounts of borehole data, accurately model the behavior of the variable ground, and, crucially, predict the effects of a deep excavation on the adjacent MRT station and heritage structures. The analysis revealed that the tower would require a deep foundation to avoid disrupting the existing infrastructure.

The chosen solution was a combined pile-raft foundation.22 This system was ideal for supporting the immense load of Singapore’s tallest tower while minimizing ground movement. The sophisticated 3D modeling enabled Arup to optimize the interaction between the piles and the raft, leading to a highly efficient design that reduced the predicted load on the bored piles by 30% to 35% compared to a more conventional approach. 

This not only ensured the safety of the surrounding structures but also resulted in significant savings in construction time and cost.22 The project also employed a top-down construction method for the three-level basement, which doubled as a retaining wall, allowing construction to proceed efficiently with minimal disruption.23

 

Case Study: Redevelopment and Foundation Reuse at 8 Shenton Way

 

The upcoming 305-meter 8 Shenton Way skyscraper, designed by Skidmore, Owings & Merrill (SOM), introduces another layer of innovation: adaptive reuse at a supertall scale.12 The project is a redevelopment of the former 52-story AXA Tower, and a cornerstone of its sustainability strategy is the decision to

reuse 100% of the existing foundation, including six massive pillars, and parts of the existing infrastructure.26

This approach is profoundly significant. Foundation work is one of the most carbon-intensive phases of construction, involving massive excavation, material consumption (concrete and steel), and energy use. By reusing the existing substructure, the project eliminates a substantial portion of this embodied carbon, setting a new benchmark for sustainable high-rise development.26 This decision demonstrates a forward-thinking approach to the urban life cycle, where buildings are not just demolished and replaced but are seen as repositories of material and structural value that can be adapted for the future.

Table 1: Geotechnical Profile and Foundation Strategies for Singaporean Skyscrapers

 

Geological Formation	Key Characteristics	Typical Challenges for Tall Buildings	Predominant Foundation Solution	Example Project(s)
Kallang Formation	Soft marine clay, loose sand, organic mud. High compressibility, low shear strength, ongoing settlement in reclaimed areas.13	Excessive total and differential settlement, low bearing capacity, negative skin friction, instability of deep excavations.	Deep Bored Piles, Barrette Piles, Piled-Raft Foundations.	Guoco Tower, Marina Bay Sands, most of the CBD.14
Jurong Formation	Weathered sedimentary rocks (sandstone, mudstone), often transitioning to Bouldery Clay with hard rock boulders in a stiff clay matrix.5	Highly variable rock head profile, presence of hard boulders obstructing piling, potential for cavities in some areas.	Large Diameter Caissons, Micropiles, Bored Piles socketed into rock.	Republic Plaza.31
Bukit Timah Granite	Hard, crystalline igneous rock, weathered near the surface into a thick overburden of stiff residual soil (sandy clay/silt).5	Abrupt changes in depth to bedrock, presence of large, unweathered core boulders within the residual soil.	Bored Piles socketed into competent rock, Raft Foundations where bedrock is shallow.	Fusionopolis Phase 1.18
Old Alluvium	Dense to cemented muddy sand and gravel with beds of silt/clay. Generally competent and stiff.13	Generally good bearing capacity but can be variable. Less challenging than Kallang Formation.	Bored Piles, Driven Piles.	Areas in eastern Singapore, parts of Downtown Line 3 route.16

 

2. The Skeleton: Evolving Structural Systems for Height and Efficiency

 

Once a stable foundation is assured, the challenge moves upward to the design of the skyscraper’s structural skeleton. This system must resist the immense forces of gravity and lateral loads from wind while providing the flexibility to accommodate complex architectural programs and maximize usable floor space. Singapore’s supertalls showcase a sophisticated evolution of structural systems, moving from traditional frames to highly efficient composite and hybrid solutions.

 

The Evolution of Lateral Load Resisting Systems

 

The primary task of a tall building’s structure is to provide stability against lateral forces. Early skyscrapers relied on rigid frame systems, where beams and columns are monolithically connected to resist bending moments.7 While effective for moderate heights, this system becomes inefficient and materially expensive as buildings get taller.

The great leap forward came with the development of tube systems, pioneered by the legendary structural engineer Fazlur Khan of Skidmore, Owings & Merrill (SOM).6 The concept treats the entire building as a hollow cantilevered tube rising from the ground. 

By placing columns closely together at the perimeter and connecting them with stiff spandrel beams, a rigid and highly efficient “framed tube” is created that resists lateral loads primarily through the axial forces in its columns.7 This innovation, exemplified in Chicago’s John Hancock Center and Willis Tower (which uses a “bundled tube” system), freed interiors from the clutter of structural elements and enabled a new generation of taller, more slender buildings.7

Modern supertalls in Singapore employ even more advanced evolutions of these principles:

• Core and Outrigger Systems: This is arguably the most dominant structural system for contemporary tall buildings worldwide. It consists of a very stiff central reinforced concrete core—which typically contains elevators, stairs, and mechanical risers—acting as the building’s primary spine. This core is then connected to the outer perimeter columns by deep, rigid horizontal trusses or walls known as “outriggers,” usually located at one or more mechanical plant floors.33 The outriggers act like the outriggers on a canoe, engaging the full width of the building to resist overturning moments from wind. This dramatically increases the building’s overall stiffness and efficiency, allowing for significant reductions in building sway and the amount of structural material required.34
• Diagrid Systems: The diagrid is a visually striking and structurally efficient evolution of the braced tube. The system consists of a perimeter framework of diagonally intersecting members that form a triangular grid.7 This triangulated configuration is inherently stable and allows the structure to resist both gravity and lateral loads with exceptional efficiency, distributing them across the entire building surface. This often eliminates the need for conventional vertical columns at the perimeter, enabling greater architectural freedom and creating unique, often twisting, building forms, as seen in The Hearst Tower in New York.7

 

The Rise of Composite Construction

 

A parallel innovation that has transformed high-rise design is the widespread adoption of composite construction. This approach strategically combines steel and concrete to create structural elements that outperform those made from a single material.6 The principle is simple: leverage concrete’s high compressive strength and mass, and steel’s superior tensile strength, light weight, and speed of erection.6

• Composite Beams and Floors: This is the most common application. A steel I-beam is connected to a concrete floor slab above it with shear studs. The two elements act together as a composite T-beam, which is significantly stronger and stiffer than the steel beam alone. This allows for longer, column-free spans—highly desirable in modern office layouts—with shallower beam depths.38
• Composite Columns: Concrete-filled steel tubes (CFTs) are a key technology for tall buildings. A hollow steel tube is filled with high-strength concrete, creating a column with exceptional strength and stiffness for a relatively small cross-section.40 The steel tube provides confinement to the concrete core, increasing its strength and ductility, while the concrete core prevents the thin steel tube from buckling inward. This synergy allows for smaller columns, maximizing valuable lettable floor area.41
• Composite Core Walls (SpeedCore): A cutting-edge innovation poised to revolutionize high-rise construction is the composite plate shear wall-concrete filled (CPSW-CF) system, often marketed as SpeedCore.42 This system replaces the traditional, labor-intensive reinforced concrete core with a prefabricated module consisting of two steel plates connected by tie bars. These modules are erected on site, and the cavity is then filled with concrete.43 The steel plates act as both permanent formwork and primary reinforcement, eliminating the time-consuming process of building temporary formwork and tying rebar. This allows the core to be erected at the same rapid pace as the perimeter steel frame, dramatically accelerating the construction schedule by months and improving site safety and quality control.42

 

Case Study: The Integrated System of Guoco Tower

 

Guoco Tower is a prime example of a modern concrete-steel composite structure designed to solve complex programmatic challenges.45 The 65-story tower is a mixed-use “vertical city,” with Grade-A office space on the lower floors and the luxurious Wallich Residence apartments on the upper floors.10 Stacking these two distinct functions, each with different structural grids and loading requirements, created a major engineering hurdle.

The solution, engineered by Arup, was an innovative transfer plate and belt-wall system.23 This massive structural element, located at the transition between the office and residential sections, effectively transfers the loads from the different residential grid above to the office grid below. 

It acts as a deep, stiff diaphragm that ties the two parts of the building together, stabilizing the entire structure and enabling the signature architectural setback in the tower’s form. To handle the complex forces, large steel plates with shear studs were embedded directly into the concrete core wall, ensuring that horizontal “kick-out” forces from the transfer system were channeled effectively into the building’s spine.23 This bespoke solution demonstrates how structural systems in modern supertalls are not “off-the-shelf” but are highly integrated and tailored to specific project needs.

 

Case Study: The Biophilic Structure of 8 Shenton Way

 

The design for the future 8 Shenton Way demonstrates a further evolution, where the structural system must not only be efficient but must also enable a radical vision of biophilic and sustainable architecture.25 Inspired by the form of bamboo forests, the tower has a stepped, articulated massing that is carved away to create seven large, landscaped sky terraces at various levels.24

These gardens are not mere adornments; they are integral to the building’s concept and pose a significant structural challenge. The frame must be robust enough to span these large multi-story openings and support the considerable weight of soil, water, and mature plantings, all while maintaining the overall stability and stiffness of a 305-meter tower. The design, led by SOM with Meinhardt as the structural engineer, will require sophisticated transfer structures to bridge the voids created by the terraces.

Furthermore, the commitment to sustainability is embedded in the structural material palette itself. The design specifies the use of a concrete structural system incorporating recyclable aggregates manufactured through a low-carbon process, as well as the pioneering use of engineered bamboo as a structural material, chosen for its strength and rapid regenerative properties.26

The progression from the pure structural efficiency of early tube systems to the complex, program-driven solution of Guoco Tower, and finally to the biophilic and sustainability-integrated frame of 8 Shenton Way, reveals a clear trend. The structural design of Singapore’s supertalls has shifted from a singular focus on resisting loads to a holistic, interdisciplinary philosophy. 

The modern skyscraper’s skeleton must now simultaneously enable complex mixed-use programs, accommodate ambitious architectural forms that embrace nature, and meet aggressive sustainability targets. The most successful projects are those where architects and engineers collaborate seamlessly to create a single, integrated system that addresses all these demands at once.

Table 2: Matrix of Modern Structural Systems for Tall Buildings in the Singaporean Context

 

Structural System	Principle of Operation	Typical Height Range	Key Advantages	Key Disadvantages/Challenges	Singaporean Example(s)
Core & Outrigger	A stiff central core (concrete or composite) is connected to perimeter columns by rigid horizontal outriggers, engaging the full building width to resist overturning.34	40-100+ stories	High stiffness and efficiency, reduces building sway, allows for flexible floor plans between core and perimeter.	Outrigger floors interrupt usable space, complex connections.	Guoco Tower, One Raffles Place.4
Diagrid	A perimeter lattice of intersecting diagonal members forms a triangulated tube, carrying both gravity and lateral loads with high efficiency.7	40-100+ stories	Exceptional structural efficiency, redundancy, allows for dramatic and non-traditional architectural forms without perimeter columns.	Complex fabrication and jointing, higher initial cost.	The Sail @ Marina Bay (features some diagrid elements).3
Composite Core Wall	Prefabricated steel plate modules are erected and filled with concrete on-site, replacing traditional reinforced concrete cores.42	40-100+ stories	Dramatically accelerates construction schedule, improves quality control and site safety, tighter construction tolerances.	Newer technology, requires specialized fabricators and contractors.	(Future applications) Being pioneered in the US on buildings like Rainier Square.44
Framed Tube	Closely spaced perimeter columns and deep spandrel beams form a rigid, hollow tube that resists lateral loads primarily through axial forces.7	40-100 stories	Highly efficient for resisting lateral loads, creates column-free interiors.	“Shear lag” can reduce efficiency in very wide buildings, can constrain facade expression.	UOB Plaza One, Republic Plaza.3

 

3. Taming the Elements: Advanced Motion and Environmental Control

 

A supertall skyscraper is a dynamic entity, constantly interacting with its environment. The immense forces of wind and the subtle but persistent threat of distant earthquakes impose complex dynamic loads that must be managed not just for structural safety, but for the comfort and well-being of the occupants. Singapore’s engineers employ a sophisticated suite of technologies and design philosophies, moving beyond simple prescriptive rules to embrace performance-based approaches that tame these powerful elements.

 

Wind Engineering: The Comfort Imperative

 

For a slender, tall building, the relentless pressure of wind is a dominant design consideration. While modern structures possess more than enough strength to resist being blown over, the primary challenge is controlling wind-induced motion, or sway.6 Excessive acceleration at the upper floors can cause discomfort, anxiety, and even motion sickness for occupants, rendering premium-priced office or residential space unusable and commercially unviable.34 Therefore, wind engineering for supertalls is largely a discipline focused on ensuring occupant comfort.

The process is highly scientific. It begins with wind tunnel testing, where a detailed scale model of the proposed building and its surrounding urban context is subjected to simulated wind flows.50 Specialized consultants, such as Windtech, use these tests to measure the precise wind pressures and forces acting on the building’s unique geometry. This data is critical for accurately predicting the building’s dynamic response.50 To ensure these models are grounded in reality, the results are often calibrated against

full-scale measurements taken from sensors installed on existing high-rise buildings across Singapore. This field data helps refine the empirical formulas and computer models used to predict building vibration and acceleration, leading to more accurate and efficient designs.48

 

Vibration Control Systems: The Role of Tuned Mass Dampers (TMDs)

 

When aerodynamic shaping and structural stiffness alone are not enough to limit sway to acceptable levels, engineers turn to active and passive damping systems. The most common of these is the Tuned Mass Damper (TMD).34

A TMD is essentially a giant pendulum—a massive block of concrete or a steel sphere—mounted near the top of the building and connected to it by a system of springs and hydraulic dampers (dashpots).51 The system is precisely “tuned” so that its own natural frequency of oscillation matches the primary natural frequency of the building. When wind causes the building to sway in one direction, the inertia of the TMD causes it to lag behind.

As it begins to swing, it moves out of phase with the building’s motion, effectively pushing back against the sway. The hydraulic dampers then dissipate the kinetic energy of this movement as heat, actively damping the building’s vibrations.51

While not every Singaporean skyscraper publicizes its TMD, their use is a common strategy to enhance stability and reduce sway, particularly in buildings with slender profiles or unique structural features.2 A prominent and fascinating local example is found atop

Marina Bay Sands. The iconic 340-meter-long SkyPark, which cantilevers a breathtaking 66.5 meters off the northernmost hotel tower, incorporates a tuned mass damper system.54 This system, with a mass of 5 tonnes, is not for the towers themselves but is specifically designed to counteract the vertical vibrations of the massive cantilevered platform caused by wind, rain, or even the movement of people, ensuring the comfort and safety of visitors in the gardens and infinity pool 200 meters in the air.54

 

Performance-Based Seismic Design (PBSD): A Proactive Approach to Risk

 

Although Singapore is situated in a region of low seismicity, it is not entirely immune to seismic threats. The city-state is exposed to the far-field effects of major earthquakes originating from the Sumatran subduction and fault zones, located hundreds of kilometers away.2 While the ground shaking from these distant events is weak at high frequencies, it can be rich in long-period (slow) vibrations. This poses a potential risk to tall buildings, whose own long natural periods of vibration could coincide with the ground motion, leading to a resonant response that amplifies the building’s sway.56

Historically, Singapore’s building codes did not include specific provisions for seismic loading, relying instead on a requirement for general robustness against a notional lateral load of 1.5% of the building’s dead weight.56 Recognizing the unique nature of the far-field threat, the engineering community has increasingly adopted a more sophisticated approach:

Performance-Based Seismic Design (PBSD).

PBSD represents a fundamental shift in design philosophy. Instead of designing a structure to resist a prescribed set of forces, engineers design it to achieve specific, predictable performance objectives when subjected to various levels of earthquake hazard.58 These objectives are typically defined for multiple hazard levels:

• Service-Level Earthquake (SLE): A relatively frequent, low-intensity event. The performance objective is typically Immediate Occupancy, meaning the building remains safe, fully operational, and essentially undamaged.
• Design-Basis Earthquake (DBE): A rare, high-intensity event. The objective is Life Safety, where the structure may sustain significant, repairable damage, but structural integrity is maintained to ensure occupants can evacuate safely.
• Maximum Considered Earthquake (MCE): The most severe event considered credible for the site. The objective is Collapse Prevention. The building may be damaged beyond repair but must not collapse, preventing loss of life.59

To achieve this, engineers use advanced computational tools like ETABS for nonlinear response history analysis.62 This involves creating a detailed digital model of the building that can simulate inelastic behavior (i.e., yielding and damage) and subjecting it to a suite of ground motion records specifically generated to represent the characteristics of a maximum credible Sumatran earthquake.63 

By analyzing the building’s response—tracking drifts, stresses, and plastic hinge formation—engineers can verify with a high degree of confidence that the performance objectives will be met. Studies on generic models of typical Singaporean high-rises have shown that they possess significant inherent overstrength (4 to 12 times their design strength) and are unlikely to collapse under MCE scenarios, a conclusion that PBSD helps to rigorously validate for specific, critical projects.56

This dual approach to managing dynamic loads showcases a mature and highly sophisticated engineering culture. Engineers in Singapore are not simply building to a generic code. They are developing tailored solutions for a multi-hazard environment, addressing the everyday challenge of wind for comfort and the low-probability, high-consequence risk of earthquakes for safety. 

This risk-based, performance-driven philosophy allows for the design of structures that are more optimized, efficient, and demonstrably safer, reinforcing Singapore’s status as a global hub of advanced structural engineering.

 

4. The Green Spine: Sustainability as a Core Design Driver

 

In Singapore, sustainability is not an optional add-on or a marketing afterthought; it is a core principle of national policy and a fundamental driver of design and engineering innovation. This commitment is most visibly expressed in the city’s new generation of skyscrapers, which are evolving from sealed, air-conditioned monoliths into porous, breathing “vertical gardens.” 

This green agenda, propelled by government incentives and a deep-seated vision of a “City in Nature,” is actively reshaping architectural expression and, in turn, creating new and exciting challenges for structural engineers.

 

The Policy Driver: The BCA Green Mark Scheme

 

The primary engine of Singapore’s green building movement is the Building and Construction Authority (BCA) Green Mark Scheme, launched in 2005.8 This comprehensive rating system evaluates buildings on a wide range of sustainability metrics, including energy efficiency, water conservation, environmental protection, indoor environmental quality, and innovation.67 Buildings are awarded a rating of Certified, Gold, Gold Plus, or Platinum, with Platinum representing the highest standard of excellence.67

The scheme is backed by ambitious national targets. The Singapore Green Building Masterplan, part of the broader Singapore Green Plan 2030, sets out the “80-80-80 in 2030” goals:

1. Green 80% of all buildings by Gross Floor Area (GFA).
2. Ensure 80% of new developments by GFA are Super Low Energy (SLE) buildings.
3. Achieve an 80% improvement in energy efficiency for best-in-class green buildings over 2005 levels.8

These targets, coupled with financial incentives for developers who achieve higher Green Mark ratings, have created powerful market and regulatory pressure to place sustainability at the heart of every new high-rise project.66

 

Biophilia and Structural Form

 

A defining feature of Singapore’s green architecture is biophilia—the principle of integrating nature and natural patterns into the built environment to improve human health and well-being. In the context of supertalls, this manifests as a proliferation of sky gardens, vertical greenery, and green roofs.66 These are not merely decorative elements; they have profound structural implications that fundamentally alter the design of the building.

• CapitaSpring: Completed in 2021, this 280-meter tower is explicitly described as a meeting of architecture and biophilic design.11 It houses over 80,000 plants in its spiraling “Green Oasis” and rooftop garden. Its structural form is literally pulled apart and carved open to create these multi-story green spaces, requiring a robust frame and complex transfer structures to bridge the voids and support the immense weight of soil, water, and mature trees high above the ground.
• Oasia Hotel Downtown: Designed by the pioneering Singaporean firm WOHA, this 193-meter hotel is a radical departure from the typical glass tower.70 Its entire facade is draped in a permeable red aluminum mesh that serves as a giant trellis for 21 species of climbing plants. The tower features four enormous, naturally ventilated sky terraces that act as elevated tropical verandas. The structural system is porous, designed to support this living green skin and allow for cross-ventilation, significantly reducing the reliance on air-conditioning.69
• 8 Shenton Way: The design for Singapore’s future tallest building pushes this concept to a new scale. It will feature over 10,000 square meters of elevated public green space—an area larger than its entire site footprint.24 Seven major sky terraces are carved out of the tower’s volume every five to six floors, creating a series of vertical parks. This architectural vision fundamentally dictates the structural engineering, which must be designed to handle the massive openings and asymmetrical loads while ensuring the stability of the 305-meter structure.

 

Innovations in Sustainable Construction Materials

 

The drive for sustainability extends deep into the material palette of these skyscrapers, with a growing focus on reducing embodied carbon—the greenhouse gas emissions associated with manufacturing, transporting, and installing building materials.

• Low-Carbon Concrete and Recycled Materials: To reduce the significant carbon footprint of concrete, Singapore’s advanced projects are incorporating recycled materials. The concrete structure for 8 Shenton Way, for example, will use recyclable aggregates produced through a low-carbon process.25 The reuse of existing foundations on the same project is another powerful strategy to minimize new material consumption.28
• Engineered Timber and Bamboo: While still emerging for supertall applications, engineered wood products are being explored. More specific to the tropical context, engineered bamboo has been selected as a key material for 8 Shenton Way.26 Chosen for its rapid growth cycle, regenerative properties, and strength, it will be used in features like the walls of the sky gardens, showcasing a commitment to innovative, sustainable material science.26
• Advanced Facades: In a tropical climate, reducing solar heat gain is paramount for energy efficiency. Singapore’s skyscrapers employ state-of-the-art facade systems, including low-emissivity (low-e) glass coatings, double-skin facades, and integrated sun-shading fins.4 CapitaGreen, for instance, features a double-skin facade that acts as a thermal buffer, reducing heat gain by up to 26% while allowing a cool-air intake at its base to channel fresh air through the building’s core.4

The sustainability agenda in Singapore has become a primary catalyst for structural and architectural innovation. The government’s Green Mark scheme and Skyrise Greenery incentives have propelled a definitive move away from the traditional, monolithic, sealed-box skyscraper. 

This has given rise to a new and distinctly Singaporean typology: the porous, breathing, “tropical supertall.” This architectural vision, with its massive sky gardens and naturally ventilated atria, cannot be realized with conventional, hyper-efficient tube structures. It demands a new structural logic. Engineers are thus compelled to develop more complex and robust solutions—stronger transfer systems, intricate frame interactions, and skeletons that can maintain stability despite large openings and asymmetrical loads. 

The structure must now work in harmony with the green spaces it supports. In this context, the quest for a “City in Nature” is directly forcing engineers to invent new structural forms and push the boundaries of their discipline, making sustainability a powerful cause of innovation, not just a result of it.

Table 3: Integration of BCA Green Mark Platinum Features in Singaporean Supertalls

 

Feature/Technology	Specific Application	Structural/Design Implication	Example Project(s)
Biophilic Design	Multi-story sky gardens and terraces, extensive vertical greenery, naturally ventilated atria.68	Requires massive transfer structures to span openings, significant additional dead loads (soil, water, plants), and porous structural forms that depart from traditional tube efficiency.	8 Shenton Way, CapitaSpring, Oasia Hotel Downtown.11
Sustainable Materials	Engineered bamboo, terracotta, low-carbon concrete with recycled aggregates, reuse of existing foundations.26	Reduces embodied carbon footprint. Requires new engineering knowledge for materials like bamboo. Foundation reuse dictates superstructure design constraints.	8 Shenton Way.26
Energy Systems	High-performance/double-skin facades, low-emissivity glazing, building-integrated photovoltaics (BIPV), optimized building orientation.4	Reduces operational carbon (cooling load). Facade systems must be integrated with the primary structure. BIPV adds weight and electrical complexity.	CapitaGreen, Guoco Tower, 8 Shenton Way.4
Water Systems	Rainwater harvesting systems for irrigation, water-efficient fittings.66	Adds significant water weight load to structures supporting collection tanks and green roofs. Must be integrated with plumbing and landscape design.	Parkroyal on Pickering, Punggol Waterway Terraces.66
Post-Pandemic Wellness	Enhanced natural ventilation, contactless technology, antimicrobial materials, adaptable interior spaces.24	Influences facade design (operable windows), core layout (air filtration systems), and structural planning to allow for future spatial flexibility.	8 Shenton Way.27

 

5. The Future Skyline: Synthesis and Forward Outlook

 

The trajectory of skyscraper design in Singapore is one of rapid, deliberate evolution. By comparing a landmark of the recent past with a vision for the near future, and by identifying the key technological and philosophical trends at play, we can chart the course of the city’s vertical development. Singapore is not just building taller; it is building smarter, greener, and more integrated urban environments, setting a global benchmark for high-density living.

 

Comparative Analysis: Guoco Tower vs. 8 Shenton Way

 

The evolution in design philosophy over just a single decade is vividly illustrated by comparing Guoco Tower, completed in 2016, with 8 Shenton Way, slated for completion in 2028.

• Guoco Tower (2016): The Integrated Mixed-Use Vertical City. As Singapore’s tallest building at 290 meters, Guoco Tower represents the pinnacle of the integrated mixed-use model.10 Designed by SOM with structural engineering by Arup, its primary innovations lie in solving the complex structural challenges of its multi-layered program. The sophisticated transfer plate and belt-wall system that enables the seamless stacking of office and residential floors is a feat of engineering tailored to programmatic efficiency.23 Its direct, seamless integration with the Tanjong Pagar MRT station exemplifies a commitment to transit-oriented development.23 While highly sustainable, achieving BCA Green Mark Platinum, its design narrative is primarily one of structural prowess and the creation of a vibrant, commercially successful “vertical city”.45
• 8 Shenton Way (2028): The Biophilic, Ultra-Sustainable Vertical Community. The upcoming 8 Shenton Way, also designed by SOM but with Meinhardt as the structural engineer, marks the next evolutionary leap.47 At 305 meters, it will be Singapore’s first official “supertall” skyscraper.12 Its design philosophy, however, is what truly sets it apart. From its initial reveal, the project has been explicitly framed around nature, sustainability, and wellness.24 

Its form is inspired by bamboo forests; its material palette includes engineered bamboo and low-carbon concrete; its foundation is partially reused to slash embodied carbon; and its profile is carved with over 10,000 square meters of public green space.26 The inclusion of “post-pandemic” features like enhanced ventilation and contactless technologies further underscores a design driven by human and environmental well-being.72

This comparison reveals a fundamental shift in the very definition of “performance” for a supertall building in Singapore. For Guoco Tower, high performance was primarily about achieving structural and economic goals, with sustainability as a key, high-achieving feature. For 8 Shenton Way, performance is defined holistically. 

Environmental, social, and human wellness outcomes are not just features; they are the primary design drivers that shape the architecture and engineering from the ground up. This signifies a maturation of the market, where a world-class building must not only stand tall and be profitable but must also actively contribute to the city’s green agenda, enhance urban biodiversity, and promote the health of its occupants.

 

Emerging Trends and Technologies

 

The future of Singapore’s skyline will be shaped by the convergence of several key technological and methodological trends:

• Advanced Digitalization (BIM and Digital Twins): The sheer complexity of modern integrated supertalls makes advanced digital tools non-negotiable. Building Information Modeling (BIM) is already a standard for coordinating design among architects, engineers, and contractors.46 The next step, as seen in the 8 Shenton Way project’s use of platforms like Autodesk Construction Cloud, is the move towards fully integrated, cloud-based digital twins.77 These platforms create a single source of truth for all project stakeholders, enabling real-time collaboration, clash detection, and data management from design through construction and into operations, dramatically improving efficiency and reducing errors.77
• Advanced Materials Science: The focus on reducing both embodied and operational carbon will continue to drive materials innovation. This includes the use of ever-higher-strength steels and concretes, which allow for smaller, more efficient structural members, saving material and maximizing usable space.41 Simultaneously, the exploration of novel, sustainable materials like the engineered bamboo and zero-waste terracotta at 8 Shenton Way will intensify as the industry seeks alternatives to carbon-intensive conventional materials.66
• Modular Construction & Prefabrication (PPVC): Singapore is a global leader in promoting Prefabricated Prefinished Volumetric Construction (PPVC), a modular building method where entire building units are manufactured and finished in a factory before being transported to the site for assembly.2 This method significantly improves productivity, site safety, and quality control. While currently more common in mid-rise residential projects, research is actively underway to develop steel-concrete composite PPVC systems suitable for high-rise applications.79 The future could see entire sections of skyscrapers being built in factories, promising a new era of faster, safer, and less wasteful construction.

 

Concluding Statement: Singapore as the Global Vanguard

 

Singapore’s unique combination of geographical constraints, economic dynamism, and visionary governance has created an unparalleled ecosystem for skyscraper innovation. The city-state’s journey skyward is a compelling narrative of overcoming challenges through engineering excellence and a forward-thinking commitment to sustainability. The skyline is a physical manifestation of a nation that has consistently turned its limitations into strengths.

The city is not just building taller; it is building better. It is pioneering a new typology of the tropical, biophilic supertall that is porous, green, and deeply integrated with its urban and natural environment. The lessons learned and technologies developed—from piled-raft foundations on soft clay to performance-based seismic design, composite structural systems, and the deep integration of nature—offer a powerful blueprint for the future of sustainable high-density urbanism worldwide.8 

The recent recognition of Pan Pacific Orchard as the world’s best new skyscraper in 2024 by the Council on Tall Buildings and Urban Habitat is not an anomaly but a confirmation of this trajectory.81 As cities around the globe grapple with the challenges of densification and climate change, they will increasingly look to the Lion City’s ever-evolving skyline for answers.

Works cited

1. Sky-high demolitions: What is behind Singapore’s many skyscraper tear-downs, accessed July 15, 2025, https://cos.sg/blog-post/sky-high-demolitions-what-is-behind-singapores-many-skyscraper-tear-downs/
2. Space Efficiency of Tall Buildings in Singapore – MDPI, accessed July 15, 2025, https://www.mdpi.com/2076-3417/14/18/8397
3. The 10 Tallest Buildings In Singapore [Latest Update] – Maison Office, accessed July 15, 2025, https://maisonoffice.vn/en/market/tallest-building-in-singapore/
4. (PDF) Space Efficiency of Tall Buildings in Singapore – ResearchGate, accessed July 15, 2025, https://www.researchgate.net/publication/384106404_Space_Efficiency_of_Tall_Buildings_in_Singapore
5. 1, accessed July 15, 2025, https://courses.nus.edu.sg/course/bdgchewm/BU3102-Soil%20Characteristics/Reports/OVERALL_REPORT_251001.doc
6. Structural Innovation – ctbuh, accessed July 15, 2025, https://global.ctbuh.org/resources/papers/1202-Baker_2001_StructuralInnovation.pdf
7. Best Skeletal Steel Structures for Skyscraper Construction: The Haunting Evolution That Shaped Modern Skylines – Guzzo Architects, accessed July 15, 2025, https://gg-architect.com/steel-structures-for-skyscraper-construction/
8. Sustainable Skyscrapers: Pushing the Limits of Green Architecture …, accessed July 15, 2025, https://singaporepropertywiki.sg/sustainable-skyscrapers-pushing-the-limits-of-green-architecture-in-singapore/
9. SMART CITIES GREEN BUILDINGS PROGRAMME, accessed July 15, 2025, https://www.usascp.org/wp-content/uploads/2022/11/US-Singapore-Smart-Cities-Green-Buildings-Final-Programme-Booklet-Oct-2022.pdf
10. Guoco Tower – Wikipedia, accessed July 15, 2025, https://en.wikipedia.org/wiki/Guoco_Tower
11. Singapore Skyscrapers: the 10 Most Famous – We Build Value, accessed July 15, 2025, https://www.webuildvalue.com/en/infrastructure-news/singapore-skyscrapers.html
12. Future developments in Singapore – Wikipedia, accessed July 15, 2025, https://en.wikipedia.org/wiki/Future_developments_in_Singapore
13. Geology of Singapore, accessed July 15, 2025, https://www.srmeg.org.sg/docs/N13072012_2.pdf
14. Chapter 4 foundation – NET, accessed July 15, 2025, https://beckassets.blob.core.windows.net/product/readingsample/11109956/9789814390132_excerpt_001.pdf
15. Deep excavations in singapore marine clay – INTERNATIONAL SOCIETY FOR SOIL MECHANICS AND GEOTECHNICAL ENGINEERING, accessed July 15, 2025, https://www.issmge.org/uploads/publications/6/11/2005_002.pdf
16. Case Histories of Bored Tunnelling Below Buildings in Singapore Downtown Line, accessed July 15, 2025, https://www.geocasehistoriesjournal.org/pub/article/download/IJGCH_3_3_2/pdf_2?paper=true
17. Foundations on Soft Soil: Challenges and Solutions | by Warid Ullah | Medium, accessed July 15, 2025, https://medium.com/@bilalhilal2123/foundations-on-soft-soil-challenges-and-solutions-9310640ad01a
18. Piled Foundation for High-Rise Buildings in Singapore – ISSMGE: Heritage Time Capsule (HTC) Project, accessed July 15, 2025, https://htc.issmge.org/uploads/contributions/L8-piled-foundation-for-high-rise-buildings-in-singapore.pdf
19. How Skyscrapers Stand Tall – Deep Foundation Secrets | TheCivilStudies, accessed July 15, 2025, https://thecivilstudies.com/engineering-skyscraper-foundation-case-study/
20. ELI5: How do massive skyscrapers not sink into the ground or tip over, especially when they’re built on soft soil? – Reddit, accessed July 15, 2025, https://www.reddit.com/r/explainlikeimfive/comments/1kkqdg1/eli5_how_do_massive_skyscrapers_not_sink_into_the/
21. Micropiled-Raft Foundations for High-Rise Buildings on Soft Soils — A Case Study: Kerman, Iran – Scholars’ Mine, accessed July 15, 2025, https://scholarsmine.mst.edu/cgi/viewcontent.cgi?article=3079&context=icchge
22. Arup Singapore Utilizes 3D Soil Simulations to Design the Foundation of the Tallest Tower in the Country – Bentley Systems, accessed July 15, 2025, https://www.bentley.com/wp-content/uploads/2022/05/CS-Arup-Singapore-LTR-EN-LR.pdf
23. Guoco Tower – Arup, accessed July 15, 2025, https://www.arup.com/en-us/projects/guoco-tower/
24. SOM reveals the design of Singapore’s sustainable skyscraper, accessed July 15, 2025, https://www.worldconstructionnetwork.com/news/som-design-singapores-skyscraper/
25. 8 Shenton Way, Singapore – World Construction Network, accessed July 15, 2025, https://www.worldconstructionnetwork.com/projects/8-shenton-way-singapore/
26. 8 Shenton Way Will Redefine Singapore’s Skyline As The City’s Tallest Building, accessed July 15, 2025, https://www.designandarchitecture.com/article/8-shenton-way-singaporersquos-tallest-landmark-will-boast-cutting-edge-technological-and-sustainability-features.html
27. Design Revealed for 8 Shenton Way, Poised to Redefine Singapore’s Skyline as the City’s Tallest Building – SOM, accessed July 15, 2025, https://www.som.com/news/design-revealed-for-8-shenton-way-poised-to-redefine-singapores-skyline-as-the-citys-tallest-building/
28. 8 Shenton Way to become Singapore’s tallest building – Trade Link Media Pte Ltd, accessed July 15, 2025, https://www.tradelinkmedia.biz/publications/7/news/4182
29. Marina Bay Sands Hotel, accessed July 15, 2025, https://faculty.arch.tamu.edu/anichols/courses/applied-architectural-structures/projects-631/Files/MarinaBaySandsHotel.pdf
30. INTERNATIONAL SOCIETY FOR SOIL MECHANICS AND GEOTECHNICAL ENGINEERING – ISSMGE, accessed July 15, 2025, https://www.issmge.org/uploads/publications/6/13/2011_109.pdf
31. 20 May 1994 : Singapore – Micropiling and Excavating Works for the Republic Plaza Project – ResearchGate, accessed July 15, 2025, https://www.researchgate.net/profile/Tong-Seng-Chua/publication/309242475_Micropiling_and_Excavation_Works_for_the_Republic_Plaza_Project_-_Singapore’s_Next_Tallest_Building/links/5807217a08ae0075d82c7c44/Micropiling-and-Excavation-Works-for-the-Republic-Plaza-Project-Singapores-Next-Tallest-Building.pdf
32. Skidmore, Owings & Merrill | Chicago Architecture Center, accessed July 15, 2025, https://www.architecture.org/online-resources/architecture-encyclopedia/skidmore-owings-merrill
33. Common structural steel systems in the construction of high-rise buildings – BMB Steel, accessed July 15, 2025, https://bmbsteel.com.vn/en/common-structural-steel-systems-in-the-construction-of-high-rise-buildings
34. Building The Future – Smart Highrise Technologies – Daniel Inocente Architecture, accessed July 15, 2025, https://danielinocente.com/technologies-for-highrise-architecture/
35. Types of High-Rise Buildings Structural Systems – United Lifestyle, accessed July 15, 2025, https://unitedlifestyle.pk/types-of-high-rise-buildings-structural-systems/
36. Form Follows Function – The Composite Construction and Mixed Structures in Modern Tall Buildings – ctbuh, accessed July 15, 2025, https://global.ctbuh.org/resources/papers/download/2289-form-follows-function-the-composite-construction-and-mixed-structures-in-modern-tall-buildings.pdf
37. Composite construction – steel & concrete – constructsteel.org, accessed July 15, 2025, https://constructsteel.org/solutions/composite-construction/steel-concrete/
38. Fully Integrated Composite Beams of High-rise Buildings 3. Conference proceeding ctbuh.org/papers, accessed July 15, 2025, https://global.ctbuh.org/resources/papers/download/1733-fully-integrated-composite-beams-of-high-rise-buildings.pdf
39. A resource book for structural steel design and construction, accessed July 15, 2025, https://www1.bca.gov.sg/docs/default-source/docs-corp-news-and-publications/publications/for-industry/buildability-series/structural_steel_design_and_construction_lowres.pdf
40. (PDF) . Composite Design and Construction of a Tall Building — Cheung Kong Center, accessed July 15, 2025, https://www.researchgate.net/publication/344224791_Composite_Design_and_Construction_of_a_Tall_Building_-_Cheung_Kong_Center
41. Design of High Strength Concrete Filled Tubular Columns For Tall Buildings – ctbuh, accessed July 15, 2025, https://global.ctbuh.org/resources/papers/download/2292-design-of-high-strength-concrete-filled-tubular-columns-for-tall-buildings.pdf
42. Steel core system revolutionizes high-rise construction, accessed July 15, 2025, https://csengineermag.com/steel-core-system-revolutionizes-high-rise-construction/
43. An Introduction to coupled composite core wall systems for high-rise construction | Request PDF – ResearchGate, accessed July 15, 2025, https://www.researchgate.net/publication/319535233_An_Introduction_to_coupled_composite_core_wall_systems_for_high-rise_construction
44. Innovative Composite Coupled Core Walls for High-Rise Construction [U5], accessed July 15, 2025, https://www.aisc.org/education/continuingeducation/education-archives/innovative-composite-coupled-core-walls-for-high-rise-construction-u5/
45. Guoco Tower – The Skyscraper Center, accessed July 15, 2025, https://www.skyscrapercenter.com/building/guoco-tower/15186
46. Guoco Tower – SOM, accessed July 15, 2025, https://www.som.com/projects/guoco-tower/
47. 8 Shenton Way – SOM, accessed July 15, 2025, https://www.som.com/projects/8-shenton-way/
48. Design of tall residential buildings in Singapore for wind effects, accessed July 15, 2025, https://www.researchgate.net/publication/264026148_Design_of_tall_residential_buildings_in_Singapore_for_wind_effects
49. Application of tuned mass dampers in high-rise construction – E3S Web of Conferences, accessed July 15, 2025, https://www.e3s-conferences.org/articles/e3sconf/pdf/2018/08/e3sconf_hrc2018_02016.pdf
50. Wind Tunnel Testing | Wind Engineer Singapore – Windtech Consultants, accessed July 15, 2025, https://windtechconsult.com/contact-us/singapore-office/
51. Tuned mass damper – Wikipedia, accessed July 15, 2025, https://en.wikipedia.org/wiki/Tuned_mass_damper
52. Tuned Mass Dampers in Skyscrapers – Practical Engineering, accessed July 15, 2025, https://practical.engineering/blog/2016/2/14/tuned-mass-dampers-in-skyscrapers
53. Tuned Mass Dampers in Action: A Symphony of Stability in Tall Buildings – YouTube, accessed July 15, 2025, https://www.youtube.com/watch?v=hwKR6sSYGzI&pp=0gcJCfwAo7VqN5tD
54. Spherical bearings for the garden above Singapore – Structurae, accessed July 15, 2025, https://structurae.net/en/products-services/spherical-bearings-for-the-garden-above-singapore
55. Case Study: Marina Bay Sands, Singapore – ctbuh, accessed July 15, 2025, https://global.ctbuh.org/resources/papers/download/26-case-study-marina-bay-sands-singapore.pdf
56. Seismic Performance of Typical Tall Buildings in Singapore, accessed July 15, 2025, https://www.iitk.ac.in/nicee/wcee/article/WCEE2012_1197.pdf
57. Performance assessment of typical buildings in Singapore to long-distance earthquakes, accessed July 15, 2025, https://dr.ntu.edu.sg/entities/publication/3901052c-b616-4bb3-a89f-158c4ff5bcda
58. Guidelines for Performance- Based Seismic Design of Tall Buildings – Pacific Earthquake Engineering Research Center, accessed July 15, 2025, https://peer.berkeley.edu/sites/default/files/web_peer2010_05_guidelines_developed_by_the_tall_buildings_initiative.pdf
59. Performance-Based Design Optimization of Structures: State-of-the-Art Review, accessed July 15, 2025, https://ascelibrary.org/doi/10.1061/JSENDH.STENG-13542
60. An Overview of Performance‑Based Seismic Design Framework for Reinforced Concrete Frame Buildings – ResearchGate, accessed July 15, 2025, https://www.researchgate.net/publication/373659843_An_Overview_of_Performance-Based_Seismic_Design_Framework_for_Reinforced_Concrete_Frame_Buildings
61. Performance-Based Seismic Design – MDPI, accessed July 15, 2025, https://www.mdpi.com/2076-3417/15/5/2254
62. CVE6003 Design of Tall Buildings | Singapore Institute of Technology, accessed July 15, 2025, https://www.singaporetech.edu.sg/sitlearn/courses/engineering/cve6003-design-tall-buildings
63. Seismic Design of High-rise Building using Performance Based Design (PBD) | Meinhardt, accessed July 15, 2025, https://www.meinhardt.net/news/seismic-design-of-high-rise-building-using-performance-based-design-pbd/
64. Seismic capacity of typical high‐rise buildings in Singapore | Request PDF – ResearchGate, accessed July 15, 2025, https://www.researchgate.net/publication/263497930_Seismic_capacity_of_typical_high-rise_buildings_in_Singapore
65. Green Buildings | Building and Construction Authority (BCA), accessed July 15, 2025, https://www1.bca.gov.sg/public/learn-about-the-built-environment/green-buildings
66. Singapore’s Skyline: A Testament to Sustainable Architecture – BillionBricks | Net-Zero Homes, accessed July 15, 2025, https://billionbricks.org/blog/singapores-skyline-a-testament-to-sustainable-architecture/
67. BCA Green Mark for Infrastructure, accessed July 15, 2025, https://sustainable-infrastructure-tools.org/tools/bca-green-mark-for-infrastructure/
68. Ideas For Sustainable Building Design in Singapore – Blog, accessed July 15, 2025, https://blog.bigassfans.com/sg/sustainable-building-design-singapore
69. 8 Sustainably Designed Green Buildings in Singapore – Interior Design Magazine, accessed July 15, 2025, https://interiordesign.net/projects/8-sustainably-designed-and-architecturally-significant-buildings-in-singapore/
70. Singapore Contemporary Architecture Guide – The Foreign Architect, accessed July 15, 2025, https://theforeignarchitect.com/guides/singapore/
71. Buildings Of Singapore: 15 Architectural Marvels Every Architect Must See – RTF, accessed July 15, 2025, https://www.re-thinkingthefuture.com/travel-and-architecture/a8571-buildings-of-singapore-15-architectural-marvels-every-architect-must-see/
72. Post-pandemic: Singapore’s tallest building – ALLPLAN, accessed July 15, 2025, https://www.allplan.com/blog/singapores-tallest-building/
73. Singapore Takes the Lead In Green Building in Asia – Yale E360, accessed July 15, 2025, https://e360.yale.edu/features/singapore_takes_the_lead_in_green_building_in_asia
74. Redefining Singapore’s Skyline: 8 Shenton Way by SOM | Skyscraper News – UNI.xyz, accessed July 15, 2025, https://uni.xyz/journal/redefining-singapores-skyline-8-shenton-
75. 8 Shenton Way Redevelopment – The Skyscraper Center, accessed July 15, 2025, https://www.skyscrapercenter.com/building/8-shenton-way-redevelopment/44843
76. List of tallest buildings in Singapore – Wikipedia, accessed July 15, 2025, https://en.wikipedia.org/wiki/List_of_tallest_buildings_in_Singapore
77. China Harbour Customer Story | Autodesk Construction Cloud, accessed July 15, 2025, https://construction.autodesk.com/resources/customer-success-stories/china-harbour-improves-efficiency-with-autodesk-construction-cloud/
78. Experimental and analytical investigation of composite columns made of high strength steel and high strength concrete – Techno Press, accessed July 15, 2025, http://www.techno-press.org/content/?page=article&journal=scs&volume=33&num=1&ordernum=4
79. Steel concrete composite systems for modular construction of high-rise buildings, accessed July 15, 2025, https://www.arataumodular.com/app/wp-content/uploads/2022/06/Steel-Concrete-Composite-Systems-for-Modular-Construction-of-High-rise-Buildings.pdf
80. Response Behaviour of High‐Rise Modular Building under Wind and Seismic Loads | Request PDF – ResearchGate, accessed July 15, 2025, https://www.researchgate.net/publication/354298551_Response_Behaviour_of_High-Rise_Modular_Building_under_Wind_and_Seismic_Loads
81. Singapore – The Skyscraper Center – Council on Tall Buildings and Urban Habitat, accessed July 15, 2025, https://www.skyscrapercenter.com/country/singapore/news

This Building Was Just Voted the World’s Best New Skyscraper – Daily Passport, accessed July 15, 2025, https://dailypassport.com/worlds-best-new-skyscraper/