Structural Trends in New York City Buildings

by Eugene E. Dallaire, Assoc. ed.; Civil Engineering Magazine, New York, NY 10017,

Serial Information: Civil Engineering—ASCE, 1983, Vol. 53, Issue 1, Pg. 30-37

Document Type: Feature article

Abstract: This story is based on interviews with some leading structural engineers in New York City. It highlights the major structural trends in building design in that city. Case histories of innovative projects are given. Among the most notable structural trends is the recent use of high-strength concretes (8,000 psi) for the construction of tall buildings. The high-strength concrete is used mainly in the columns for the building's concrete frame, to minimize column sizes. Also new is the use of superplasticizers in concrete, to make it more workable, easier to pour. These developments are the major reason more high-rise buildings are being constructed with concrete frames. A decade ago, almost all high-rise office buildings were constructed with steel frames. Today, about 25% of the high-rise office buildings built in NYC have concrete frames.

Subject Headings: Concrete structures | High-rise buildings | High-strength concrete | Structural engineering |

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