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Kohinoor Towers in Mumbai, India. Courtesy gkkworks.

  • COMPLETION DATE
    2012

Overview

Thornton Tomasetti provided structural engineering design and façade consulting services for these twin commercial office towers. The taller tower, at 50 stories, is one of India’s tallest office buildings. The structure comprises a concrete core and post-tensioned concrete slab and spandrel beams. The tower structure and shaping was based on extensive wind load studies. The façade consists of faceted unitized aluminum curtain walls with provisions for ‘double facades’ on portions of the tower. The podium features custom point-supported glazing on specialty steel trusses.

The building is pursuing LEED India certification, part of the Indian Green Building Council’s official green building rating system.

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Materials & Systems

Cables

Unsurpassed for transparency, tensegrity systems and cable-net façade structures can efficiently enclose long-span openings without the use of heavy, rigid trusses or frames. We use leading-edge software to design glass façades and roofs with minimal structure. Our extensive experience with form-finding for complex geometries, along with our practical knowledge of cable engineering and construction, places us at the forefront of this design trend.

Materials & Systems

Curtain Wall

Our façade engineering teams advise clients on the best way to develop both conventional and innovative façade systems, applying our knowledge of structures, glazing technology, mechanical shade systems and thermal behavior. We provide design, detailing and engineering support for enclosures of any shape or size, from minimalist to high-tech. We also provide expertise in safety and security glazing, along with glass frits and reflective coatings.

Materials & Systems

Double Skin

The double-skin façade has come to represent the ultimate in passive energy performance. Used primarily in Europe in the past, double skin is now being adopted worldwide for its ability to provide controlled natural ventilation, excellent solar control and high thermal performance – leading to substantial energy savings over time. Our building physics expertise and our experience with glazed façades enable us to provide design guidance to clients who wish to maximize energy performance by using a double skin.

Materials & Systems

Glazing & Structural Glass

Glazing offers transparency that enhances a façade’s aesthetics and experience from both the interior and exterior. It provides light and a visual connection between the inside and outside. But designing with glass requires the deliberate balancing of light transmittance and the effects it has on energy performance and occupant comfort. Glazing design also requires careful consideration of material strength and safety. We provide a full range of design and engineering support for glazing and glass structures, from structural analyses to recommendations for aesthetics and energy performance. Our expertise in glazed-façade and structural-glass construction includes unitized aluminum frames, stick-built metal frames, steel cable supports, structural glass fin supports and glass stairs and balustrades.

Materials & Systems

Metal

A variety of metals are used to wrap a building’s skin: aluminum, stainless steel, copper and zinc are notable examples. Each has its own special characteristics and can be used as rainscreen cladding, open screens, overhead enclosures or decorative elements with an array of possible shapes and configurations. We have used metals in a variety or project types, ranging from new façades to innovative re-cladding of existing structures. Our understanding of each material’s physical properties helps us provide designers with unique solutions that fulfill their design visions.

Specialized Expertise

Tall & Supertall

For decades, our engineers have been pioneers in systems for tall and supertall buildings. From the development of the stressed-tube skin system in the 1980s to our unique design for Saudi Arabia’s Kingdom Tower – slated to be the world’s tallest building when it’s completed – we have explored new ways to improve upon tall building design and construction.

In recent years, towers have become taller and more visually exciting, creating new structural challenges. Our knowledge and experience, augmented by leading-edge analytical and design tools, are invaluable in providing designs that are safe, comfortable, economical, sustainable and constructable.

With a portfolio that includes three previous “world’s tallest” buildings and more than 100 other high-rises, Thornton Tomasetti has unparalleled experience in tall and supertall building design around the world.