Endurance Time Analysis of Seismic Response and Failure Process of Steel Frames Structure

杨乐; 白久林; 欧进萍

doi:10.13409/j.cnki.jdpme.2014.04.023

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Endurance Time Analysis of Seismic Response and Failure Process of Steel Frames Structure

更新时间：2025-12-11

- Endurance Time Analysis of Seismic Response and Failure Process of Steel Frames Structure
- Vol. 34, Issue 4, Pages: 415-421(2014)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.13409/j.cnki.jdpme.2014.04.023
  CLC： U352.11;TU391
- Published：2014
- 稿件说明：
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[1]杨乐,白久林,欧进萍.钢框架结构地震响应与破坏过程的耐震时程分析[J].防灾减灾工程学报,2014,34(04):415-421.

杨乐, 白久林, 欧进萍. Endurance Time Analysis of Seismic Response and Failure Process of Steel Frames Structure[J]. 2014, 34(4): 415-421.
[1]杨乐,白久林,欧进萍.钢框架结构地震响应与破坏过程的耐震时程分析[J].防灾减灾工程学报,2014,34(04):415-421. DOI： 10.13409/j.cnki.jdpme.2014.04.023.

杨乐, 白久林, 欧进萍. Endurance Time Analysis of Seismic Response and Failure Process of Steel Frames Structure[J]. 2014, 34(4): 415-421. DOI： 10.13409/j.cnki.jdpme.2014.04.023.

摘要

耐震时程法（ETM）是一种基于动力时程的结构抗震分析方法

其典型表征在于随着持续时间的增加

地震动强度逐渐增大。本文合成了基于中国抗震反应谱的耐震时程曲线

并以此作为输入

对一个8层3跨钢框架结构的抗震性能进行了分析和评估。采用增量动力分析方法（IDA）对结构在不同耐震持时下的整体响应进行了评估;以大震下天然地震动分析结果为标准

对比了结构在耐震时程曲线（ETA）作用下的塑性铰分布概率、形成顺序和延性分布。研究结果表明:耐震时程法能较好地预测钢框架结构的非线性动力响应及破坏过程

且分析次数少

这为钢框架结构的抗震性能快速分析与评估提供了一种新的手段。

Abstract

Endurance time method（ETM）is a dynamic time history-based approach to structural seismic response analysis

which has the characteristic that the ground motion intensity increases with time.In the present study

endurance time accelerograms（ETAs）were developed based on Chinese code response spectrum

and applied on an 8-story 3-bay steel frame structure to evaluate the seismic performance.The structural global response due to ETAs was assessed through incremental dynamic analysis（IDA）.Using the response of the structure subjected to real severe ground motions as reference

the probability of occurrence

yielding sequence and rotation ductility ratio of plastic hinges for ETM

were compared.The analytical results indicate endurance time method

with less time-consuming

has an excellent potential to predict the nonlinear response of steel frames structure

which provides a novel approach to quickly analyze and evaluate the seismic performance of steel frame structure.

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references

结构抗震分析的耐震时程方法 [J]. 白久林,杨乐,欧进萍. 地震工程与工程振动 . 2014(01)

基于IDA方法的钢筋混凝土结构失效模式优化 [J]. 白久林,欧进萍. 工程力学 . 2011(S2)

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