Concrete Delivers

by Richard L. Tomasetti, P.E., (M.ASCE), Pres.; Thornton Tomasetti Group, New York City, NY,
Dennis C. K. Poon, (M.ASCE), Managing Principal; Thornton Tomasetti Group, New York City, NY,
Ling-en Hsiao, Assoc.; Thornton Tomasetti Group in New York City, NY,


Serial Information: Civil Engineering—ASCE, 2001, Vol. 71, Issue 8, Pg. 58-63


Document Type: Feature article

Abstract:

The latest addition to the skyline of Shanghai, China, is a strikingly slender all-concrete 62-story office tower. It is the city's tallest all-concrete building, achieving its remarkable profile�and a height of 923 ft (282 m)�with the help of an innovative lateral outrigger support system. In addition to the lateral stability concerns inherent in an all-concrete tower of this height, the project design team grappled with a variety of related structural issues, including poor soil conditions, seismic considerations, and the comparatively limited strengths of local construction materials. Because steel is so expensive in Shanghai, and concrete labor is relatively inexpensive, the concrete option saved upward of $1 million.

Subject Headings: Concrete | Strength of materials | Soil strength | Seismic design | Construction materials | Team building | Structural strength

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