[1]邓夕胜,蒋红雨,杨海军.配置高强钢筋混凝土框架结构的地震易损性分析[J].地震工程与工程振动,2019,39(03):205-213.[doi:10.13197/j.eeev.2019.03.205.dengxs.021]
 DENG Xisheng,JIANG Hongyu,YANG Haijun.Seismic vulnerability analysis of high strength reinforced concrete frame structures[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2019,39(03):205-213.[doi:10.13197/j.eeev.2019.03.205.dengxs.021]
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配置高强钢筋混凝土框架结构的地震易损性分析
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《地震工程与工程振动》[ISSN:/CN:]

卷:
39
期数:
2019年03
页码:
205-213
栏目:
论文
出版日期:
2019-06-30

文章信息/Info

Title:
Seismic vulnerability analysis of high strength reinforced concrete frame structures
作者:
邓夕胜1 蒋红雨1 杨海军2
1. 西南石油大学, 四川 成都 610500;
2. 新希望地产成都公司, 四川 成都 610000
Author(s):
DENG Xisheng1 JIANG Hongyu1 YANG Haijun2
1. Southwest Petroleum University, Chengdu 610500, China;
2. New Hope Real Estate Company, Chengdu 610000, China
关键词:
高强钢筋框架结构地震易损性失效概率公式IDA曲线
Keywords:
high strength steelframe structurecollapse probabilityfailure probability formulaIDA curve
分类号:
TU352.1
DOI:
10.13197/j.eeev.2019.03.205.dengxs.021
摘要:
为研究地震作用下配置不同高强钢筋的混凝土框架结构的地震易损性,得到预测结构倒塌概率的数学模型。基于SAP2000,分析了7度、8度设防烈度区共6种混凝土框架结构模型在13条地震动记录下的地震非线性时程分析,得到不同设防烈度区内的多条地震易损性曲线,对IDA曲线回归分析得到极限状态下的失效概率公式和抗倒塌储备系数。结果表明:IDA曲线发散性与地震震动强度成正相关,高强钢筋强度与结构IDA曲线的发散性在同一地震动强度内成负相关;同一设防烈度下,结构的抗倒塌储备系数随着钢筋强度的增加而增大,结构的倒塌概率越小。
Abstract:
In order to study the seismic vulnerability of concrete frame structures with different high-strength steel bars under earthquake, get a mathematical model for predicting the collapse probability of structures. Based on SAP 2000, writers analyzed the seismic non-linear time-history analysis of 6 kinds of concrete frame structure models in 7-degree and 8-degree fortification intensity zones under 13 seismic records and obtained several seismic vulnerability curves in different fortification intensity regions. The failure probability formula and collapse resistance reserve coefficient under limit state are generate by regression analysis of IDA curve. The results show that the divergence of IDA curve is positively correlated with seismic vibration intensity, and the divergence of IDA curve is negatively correlated with the strength of high-strength steel bar in the same earthquake intensity. Under the same fortification intensity, the reserve coefficient of collapse resistance of the structure increases with the increase of the strength of steel bar, and the collapse probability of the structure decreases.

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备注/Memo

备注/Memo:
收稿日期:2018-8-13;改回日期:2019-3-11。
基金项目:国家安全生产监督管理总局科技基金项目(Sichuan-0010-2016AQ)
作者简介:邓夕胜(1977-),男,副教授,硕士,主要从事工程结构抗震与防灾研究.E-mail:dxish@swpu.edu.cn
通讯作者:蒋红雨(1994-),女,硕士研究生,主要从事工程结构抗震与防灾研究.E-mail:yuerlan@163.com
更新日期/Last Update: 1900-01-01