Influences of load pattern selection and higher modes on pushover analysis for R.C. structures

被引：0

作者：

侯爽 ^{[1
]}

欧进萍 ^{[1
,2
]}

机构：

[1] School of Civil Engineering, Harbin Institute of Technology

[2] School of Civil and Hydraulic Engineering, Dalian University of Technology

来源：

Journal of Harbin Institute of Technology(New series) | 2008年 / 06期

基金：

中国国家自然科学基金;

关键词：

pushover analysis; higher mode influence; nonlinear time history analysis;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Load pattern selection is one of the critical issues in pushover analysis (POA) when the influence of higher modes is evident. In terms of interstory drift, comparisons between the nonlinear time history analysis (NL-THA) and the pushover analysis (POA) were conducted for three typical RC frame buildings under a variety of ground motion levels. Eight typical earthquake inputs, including four earthquake records and four artificial earthquake waves, were employed as the input of NL-THA; five typical lateral load patterns were considered in POA. By means of modal participation factor, the higher mode effect in POA was quantified considering floor numbers and the ground motion intensity. Suggestions about load pattern selection in POA were provided when higher mode influence was found evident.

引用

页码：767 / 776

页数：10