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Evaluating Design Provisions and Actual Performance of a Modern High-Rise Steel Structure

by A. Astaneh, D. Bonowitz and C. Chen

Astaneh, A., D. Bonowitz and C. Chen (1991). Evaluating Design Provisions and Actual Performance of a Modern High-Rise Steel Structure. SMIP91 Seminar on Seismological and Engineering Implications of Recent Strong-Motion Data, p. 5-1 - 5-10.

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Abstract

The objectives of this project were to study CSMIP records obtained during the October 17, 1989 Loma Prieta earthquake at a 49-story steel structure and to conduct an investigation of current structural engineering design procedures related to the response. The recorded data indicated that the top 6 stories of the building have experienced much greater drift than lower floors due to discontinuity of mass and stiffness. The results of elastic and inelastic dynamic analyses compared to CSMIP records confirmed validity of many design assumption currently used while resulting in better understanding of actual behavior of these modern structures and possible refinement of design procedures.