论文部分内容阅读
论述了一种以顶层位移作为性能指标的弹塑性Pushover分析方法用于基于性能的抗震分析,并且编制了相应的Matlab程序.为验证分析方法的科学性和可靠性,用Pushover程序对双层单跨、双层双跨的两榀平面钢框架作计算分析,且与其试验数据进行对比.结果显示:分析结果与试验数据的荷载—位移曲线基本吻合,误差小于14%,表明Pushover分析方法和程序可靠.并以Pushover方法作为抗震性能的分析工具对一榀三层四跨框架做了抗震分析,显示了Pushover方法的适用性.
An elasto-plastic Pushover method with top displacement as a performance index is presented for performance-based seismic analysis and a corresponding Matlab program is developed.In order to verify the scientificity and reliability of the analytical method, The results show that the load-displacement curve of the test data is in good agreement with the experimental data, and the error is less than 14%, which shows that Pushover analysis method and program And the Pushover method is used as a seismic analysis tool to analyze the seismic response of a three-story four-span frame, which shows the applicability of the Pushover method.