[1]叶晨莹,熊峰,相敏,等.基于改进损伤模型的RC框架地震易损性研究[J].自然灾害学报,2018,(04):119-127.[doi:10.13577/j.jnd.2018.0416]
 YE Chenying,XIONG Feng,XIANG Min,et al.Seismic vulnerability study of RC frame based on improved damage model[J].,2018,(04):119-127.[doi:10.13577/j.jnd.2018.0416]
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基于改进损伤模型的RC框架地震易损性研究
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
期数:
2018年04期
页码:
119-127
栏目:
出版日期:
2018-09-28

文章信息/Info

Title:
Seismic vulnerability study of RC frame based on improved damage model
作者:
叶晨莹 熊峰 相敏 赵鹏 翟盼盼
四川大学 建筑与环境学院 深地科学与工程教育部重点实验室, 四川 成都 610065
Author(s):
YE Chenying XIONG Feng XIANG Min ZHAO Peng ZHAI Panpan
MOE Key Laboratory of Deep Underground Science and Engineering, School of Architecture and Environment, Sichuan University, Chengdu 610065, China
关键词:
损伤模型损伤指标层间位移角易损性土-结构相互作用
Keywords:
damage modeldamage indexinter-story drift anglevulnerabilitySSI
分类号:
TU375.4;X43;X9
DOI:
10.13577/j.jnd.2018.0416
摘要:
目前的RC框架结构地震易损性分析大都采用理论分析法,建模过程忽略了土与上部结构的相互作用(SSI),同时广泛采用的层间位移角方法不能准确反应结构在地震作用下损伤机理。本文基于现有损伤模型的对比分析,提出了一种最大变形和滞回耗能非线性组合的改进双参数损伤模型,采用实验数据进行验证。并以8层RC框架结构为例,进行50条地震波作用下的结构增量动力分析,分别绘制了变形和能量两种单参数模型以及Park-Ang模型,牛荻涛模型和本文模型3种双参数模型的结构损伤曲线与易损性曲线进行模型的对比分析和检验评估。
Abstract:
Based on the comparison and analysis of the existing damage models, this paper proposes a nonlinear combination damage model of the maximum deformation and hysteretic energy dissipation. According to the incremental dynamic analysis results of the 8-story RC frame under 50 seismic waves, the global structural damage curves and fragility curves of inter-story drift angle, energy dissipation, Park-Ang damage index, Niu-Ditao damage index and new damage index proposed by this paper were drew for comparison.

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备注/Memo

备注/Memo:
收稿日期:2018-05-06;改回日期:2018-06-20。
基金项目:国家自然科学基金青年项目(51508357);四川省科技计划应用基础项目(2015JY0278)
作者简介:叶晨莹(1994-),女,硕士研究生,主要从事结构抗震研究.E-mail:ann_y12@163.com
通讯作者:熊峰(1963-),女,教授,博士,主要从事建筑工业化与结构抗震研究.E-mail:fxiong@scu.edu.cn
更新日期/Last Update: 1900-01-01