A Safe Skyscraper For the Seismic City

by P. V. Banavalkar, Prof. Engr.; CBM Engineers Inc., 1700 West Loop S., Houston, TX 77027-3092,

Serial Information: Civil Engineering—ASCE, 1988, Vol. 58, Issue 11, Pg. 60-62

Document Type: Feature article

Abstract: When completed in late 1989, the 73-story First International World Center will be the tallest office building in Los Angeles. The steel structure of the building was designed to be ductile enough for earthquakes yet stiff enough to ensure human comfort during high winds. The structure is really two structures that interact with each other. Lateral support on the inner frame is provided by a series of two-story chevron braces, which are being used in a high seismic region for the first time.

Subject Headings: Ductility | Earthquakes | High-rise buildings | Seismic effects | Steel structures | Stiffness |

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