[1]刘祖强,李凯,薛建阳,等.型钢混凝土T形柱地震损伤试验及数值模拟[J].地震工程与工程振动,2018,(05):085-92.[doi:10.13197/j.eeev.2018.05.85.liuzq.010]
 LIU Zuqiang,LI Kai,XUE Jianyang,et al.Seismic damage experiment and numerical simulation of steel reinforced concrete T-shaped column[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2018,(05):085-92.[doi:10.13197/j.eeev.2018.05.85.liuzq.010]
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型钢混凝土T形柱地震损伤试验及数值模拟
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《地震工程与工程振动》[ISSN:/CN:]

卷:
期数:
2018年05
页码:
085-92
栏目:
论文
出版日期:
2018-10-31

文章信息/Info

Title:
Seismic damage experiment and numerical simulation of steel reinforced concrete T-shaped column
作者:
刘祖强 李凯 薛建阳 周超锋
西安建筑科技大学 土木工程学院, 陕西 西安 710055
Author(s):
LIU Zuqiang LI Kai XUE Jianyang ZHOU Chaofeng
School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
关键词:
型钢混凝土T形柱地震损伤数值模拟OpenSees
Keywords:
steel reinforced concreteT-shaped columnseismic damagenumerical simulationOpenSees
分类号:
TU398.2
DOI:
10.13197/j.eeev.2018.05.85.liuzq.010
摘要:
为研究型钢混凝土T形柱的地震损伤性能,对10个按1:2缩尺的试件进行单调和低周反复加载试验,结果表明:型钢混凝土T形柱的滞回曲线饱满对称,体现出较强的耗能能力;试件屈服后,累积损伤明显增加,且发展速率不断加快;轴压比越大、配钢率越小,试件累积损伤发展越快。在试验研究基础上,采用OpenSees软件建立了型钢混凝土T形柱有限元分析模型,计算结果与试验结果符合较好,进而根据计算结果对柱端弯矩-曲率曲线和荷载-型钢应变曲线进行了分析。
Abstract:
In order to study the seismic damage performance of steel reinforced concrete T-shaped column, the monotonic and low cyclic reversed loading experiments were carried on ten 1/2 scaled specimens. The results show that the hysteresis curve of steel reinforced concrete T-shaped column is full and symmetric, indicating strong capacity of energy dissipation. After specimens yielded, the cumulative damage increased significantly, and its rate of development accelerated. As the axial compression ratio increased and the steel ratio decreased, the cumulative damage of specimens increased faster. Based on the experimental study,the finite element analysis model of the T-shaped steel reinforced concrete column was established by using OpenSees. Compared with experimental results, it shows good agreement. According to the calculated results, curves between bending moment of column ends and curvature, as well as curves between load and steel strain were analyzed.

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备注/Memo

备注/Memo:
收稿日期:2017-08-12;改回日期:2018-01-15。
基金项目:国家自然科学基金项目(51308444);陕西省自然科学基础研究计划(2018JM5124);陕西省教育厅专项科研计划项目(16JK1464)
作者简介:刘祖强(1984-),男,副教授,博士,主要从事钢与混凝土组合结构及工程结构抗震研究.E-mail:liuzuqiang0081@126.com
更新日期/Last Update: 1900-01-01