Statistical Analyses of Steel Frame Structure Drift Angle

Abstract:

Story drift angle is one of the main indexes to test the seismic performance of building structures. American seismic code of buildings FEMA273/274 respectively provide the limit values of story drift angle in two kinds structural systems, steel frame and steel-support frame. This article collects 40 groups steel frame test data and 24 groups steel-support frame test data. By the statistical analyses of story drift angle and the comparison to the drift angle limit values in different countries, the seismic performance levels of steel frame structure are divided into six,Ⅰ,Ⅱ,Ⅲ,Ⅳ,Ⅴand Ⅵ, and the suggested limit values of story drift angle corresponding with performance levels are given.

• Periodical: Applied Mechanics and Materials (Volumes 204-208)
• Pages: 1102-1108
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.204-208.1102
• Online since: October 2012
• Authors: Huan Huan Xia, Wen Feng Liu, Yan Qiang Gao
• Keywords: Performance Object, Steel Frame, Steel-Support Frame, Story Drift Angle

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