Council on Tall Buildings and Urban Habitat

Featured Buildings Involving BLWTL

Absolute Towers

Absolute Towers, Mississauga

The Absolute World Towers are the result of a public-private partnership and an international design competition, which chose a new Chinese firm doing its first work in North America.

Shanghai Tower

Shanghai Tower, Shanghai

As the third tower in the trio of supertall buildings at the heart of Shanghai’s new Lujiazui Finance and Trade Zone, Shanghai Tower embodies a new prototype for tall buildings.

Shanghai World Financial Center

Shanghai World Financial Center, Shanghai

The Shanghai World Financial Center has become an icon of Shanghai and China, with its clear and elegant form and revolutionary structural design.

The Bank of America Tower

The Bank of America Tower, New York City

The Bank of America Tower at One Bryant Park produces a high level of sustainability within the commercial market place, creating a strong identity for itself.

Palazzo Lombardia

Palazzo Lombardia, Milan

The Palazzo Lombardia is a confident and controlled execution of what is actually an exuberant plan, and it does so while quietly integrating sustainable strategies.

The Index

The Index, Dubai

The Index is a model for developing sustainable built environments in the Middle East region, as well as other similar climatic environments elsewhere in the world.

Aqua Tower

Aqua Tower, Chicago

The signature cantilevered balconies are breathtaking and exemplary of where concrete technology can take tall building design today.

The John Hancock Center

The John Hancock Center, Chicago

Over forty years after its completion, the John Hancock Center has established itself as one of the world’s most recognized skyscrapers and an iconic example.

Burj Khalifa

Burj Khalifa, Dubai

Undoubtedly one of the wonders of the modern world, Burj Khalifa is graceful and elegant as it reaches upward with seeming ease.

Kingdom Centre

Kingdom Centre, Riyadh

Below the observation deck is an inverted parabolic arch that occupies the top third of the skyscraper creating its iconic status in the city.

Etihad Towers

Etihad Towers, Abu Dhabi

The Etihad Towers complex includes five residential towers situated in the beachside Al Ras Al Akhdar district, and offer panoramic views over the city and Arabian Sea.

Courtyard & Residence Inn Manhattan/Central Park

Courtyard & Residence Inn Manhattan/Central Park, New York City

This Midtown hotel consists of two independent hotels vertically stacked and separated by a sky lobby.

4 World Trade Center

4 World Trade Center, New York City

Part of the new World Trade Center complex, 4 World Trade Center stands on the southeast corner of the site, where the original once stood.

Cayan Tower

Cayan Tower, Dubai

Standing at over 300 meters, Cayan Tower stood as the world's tallest high rise building with a twist of 90 degrees when it was completed in 2013.

Comcast Center

Comcast Center, Philadelphia

Taking the form of a faceted obelisk, the tower is clad in silvery high-performance glass with ultra-clear, low-iron glass at the building’s corners and crown.

Torre Reforma

Torre Reforma, Mexico City

The Torre Reforma is Mexico's tallest building and features a versatile, column-free interior that incorporates natural energy-reducing elements and a structurally expressive exterior.

The Tower at PNC Plaza

The Tower at PNC Plaza, Pittsburgh

The Tower at PNC Plaza incorporates both highly technical green systems and channels for meaningful social interactions through a vertical column of two-story atriums.


As a leader in wind engineering for the past 40 years, Boundary Layer Wind Tunnel Laboratory has worked with engineers, architects and developers from all over the globe. Since its inception in 1965, the Laboratory has worked on over one thousand projects.

Their mission is to develop innovative solutions to complex wind engineering problems while maintaining the highest standards in research, education, and engineering applications.

They have developed many of, what are now, wind engineering's standard methods, such as the force balance measurement of loads on tall buildings. They have assisted in the design of some of the world's tallest buildings and structures, the world's longest bridges, and roofs of unusual construction and form.

Visit official website


Top Company Rankings: The World’s 100 Tallest Buildings

13 Oct 2016, CTBUH Research – The Council is pleased to announce the Top Company Rankings for numerous…

CTBUH 2008 Dubai Conference Silver Sponsor

CTBUH 2008 Dubai Conference Silver Sponsor

3-5 Mar 2008, Conference Sponsor – The Congress hosted presentations, seminars and workshops covering…

Alan Davenport

Alan Davenport

CTBUH Advisory Group, 1985 – 1992
London (ON), Canada

CTBUH Resources Involving BLWTL

Award Winners & Award of Excellence Recipients

The CTBUH Awards recognize projects and individuals that have made extraordinary contributions to the advancement of tall buildings and the urban environment, and that achieve sustainability at the highest and broadest level.


Award of Excellence

China Award Winner

See all BLWTL related winners & award of excellence recipients

New CTBUH Monograph on Building Motion, Perception and Mitigation

Feb 2001 – CTBUH 2001 6th World Congress, Melbourne
Nicholas Isyumov & Tony Tschanz, Boundary Layer Wind Tunnel Laboratory


New CTBUH Monograph on Building Motion, Perception and Mitigation
Feb 2001 – CTBUH 2001 6th World Congress, Melbourne; Nicholas Isyumov & Tony Tschanz, Boundary Layer Wind Tunnel Laboratory
This paper provides an overview of the new Monograph which deals with motions experienced by tall buildings and their impact on design. Of various types of building motions wind-induced vibrations are of greatest concern to designers since they can…

BLWTL Tall Building Facts

150m+ Buildings 45 Completed
300m+ Buildings 24 Completed
Average Building Age 19 Years
Most Common Function office, 22 Buildings
Most Common Material Concrete, 20 Buildings
Building Functions
Building Materials

All building-related facts are for 150m+ buildings currently in the database.

Tall Buildings Involving BLWTL

1   Burj Khalifa 2010 828 m Dubai
2   Shanghai Tower 2015 632 m Shanghai
3   Makkah Royal Clock Tower 2012 601 m Mecca
4   Shanghai World Financial Center 2008 492 m Shanghai
5   Willis Tower 1974 442 m Chicago
6   Jin Mao Tower 1999 421 m Shanghai
7   Shun Hing Square 1996 384 m Shenzhen
8   Central Plaza 1992 374 m Hong Kong
9   Bank of China Tower 1990 367 m Hong Kong
10   Bank of America Tower 2009 366 m New York City
  Completed   Arch. Topped Out   Struct. Topped Out   Under Constr.

The building list and facts show buildings involving Alan G. Davenport Wind Engineering Group, Boundary Layer Wind Tunnel Laboratory