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Research and Improvement on Seismic Performance Evaluation Method of High-rise Building Structures(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2012年04期
Page:
32-37
Research Field:
Publishing date:

Info

Title:
Research and Improvement on Seismic Performance Evaluation Method of High-rise Building Structures
Author(s):
MA Kai-ze1;  LIU Bo-quan1;  YAN Hong-liang1;  LIANG Xing-wen2
1. School of Civil Engineering, Chang'an University, Xi'an 710061, Shaanxi, China; 2. School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, China
Keywords:
high-rise building structure;  seismic performance;  evaluation method;  modal Pushover analysis method;  capacity spectrum method;  displacement response spectrum;  performance objective;  elastic-plastic analysis
PACS:
TU973
DOI:
-
Abstract:
In order to calculate the influence of high-order vibration modes for elastic-plastic analysis of high-rise buildings, based on modal Pushover analysis(MPA)method, the capacity spectrum theory was used to take the place of dynamic time-history analysis. Converting the acceleration response spectrum of current code into displacement response spectrum, the displacement response of equivalent single degree of freedom system(ESDOF)in each vibration mode could be calculated by capacity spectrum method. Then, the displacement response of multiple degree of freedom(MDOF)could be obtained too, and it was used to compare with the objective displacement of each performance level, judging whether the structure satisfied its performance objective requirements or not. The results show that the method is reasonable to reflect the requirements of the structure under design earthquake displacement.

References:

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Last Update: 2012-12-20