Power Shift

by Chris Christoforou, P.E., Vice President; Thornton-Tomasetti Group in New York City.,
Aine M. Brazil, P.E., (M.ASCE), Managing Principal; Thornton-Tomasetti Group in New York City.,
Brad Malmsten, Senior Engineer; Thornton-Tomasetti Group in New York City.,
Len Joseph, P.E., (M.ASCE), Principal; New York City. Thornton-Tomasetti Group in Irvine, California.,


Serial Information: Civil Engineering—ASCE, 2004, Vol. 74, Issue 12, Pg. 48-55,76


Document Type: Feature article

Abstract:

Engineers designing a Manhattan skyscraper with offices in the lower floors and residences in the upper found that they had to employ several unusual methods to accommodate client needs. In addition to relocating columns and transferring loads through outrigger systems, they added a uniquely designed tuned-mass damper to counteract wind motions.

Subject Headings: Wind loads | Wind engineering | Motion (dynamics) | Load transfer | Load factors | High-rise buildings | Floors

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