基于薄壁钢管的装配式混凝土剪力墙抗震性能研究  

Seismic Performance Research of Prefabricated Concrete Shear Wall Based on Thin-walled Steel Tube

作　　者：李兆杰 孟凡林[1] 战美秋[1] 徐帅 殷承诺 LI Zhaojie;MENG Fanlin;ZHAN Meiqiu;XU Shuai;YIN Chengnuo(College of Civil Engineering,Jilin Jianzhu University,Changchun,Jilin 130118,China)

机构地区：[1]吉林建筑大学土木工程学院,吉林长春130118

出　　处：《施工技术(中英文)》2023年第20期122-128,共7页Construction Technology

基　　金：“科技助力经济2020”重点专项(SQ2020YFF0426548);吉林省教育厅“十三五”科学技术项目(JJKH20190869KJ)。

摘　　要：为研究基于薄壁钢管的装配式混凝土剪力墙抗震性能,设计并足尺制作了1个现浇剪力墙试件和2个装配式薄壁钢管剪力墙试件,按轴压比0.3对试件进行拟静力试验,对比分析3个墙体试件滞回曲线、骨架曲线、承载力、变形能力、刚度退化和耗能能力等抗震性能指标。试验结果表明:3个剪力墙试件均发生压弯破坏;薄壁钢管剪力墙试件滞回曲线饱满、捏缩不明显,承载力高,延性好,耗能能力强;2个装配式薄壁钢管剪力墙试件试验现象和破坏形态相似,各项抗震性能指标相差不大,试验设计中减少竖向连接的方式对装配式薄壁钢管剪力墙抗震性能影响较小。In order to study the seismic performance of prefabricated concrete shear wall based on thinwalled steel pipe,one cast-in-place shear wall specimen and two prefabricated thin-walled steel pipe shear wall specimens were designed and made to full scale.The pseudo-static tests were conducted on the specimens according to the axial compression ratio of 0.3.The seismic performance indexes such as hysteresis curve,skeleton curve,bearing capacity,deformation capacity,stiffness degradation and energy dissipation capacity of the three wall specimens were compared and analyzed.The test results show that the three shear wall specimens all undergo compression bending failure.The hysteresis curve of the thin-walled steel tube shear wall specimen is full,the pinch is not obvious,the bearing capacity is high,the ductility is good,and the energy dissipation capacity is strong.The test phenomena and failure patterns of the two prefabricated thin-walled steel tubular shear wall specimens are similar,and the seismic performance indexes are not different.The way of reducing vertical connection in this test design has little influence on the seismic performance of the prefabricated thin-walled steel tubular shear wall.

关 键 词：装配式 钢管 混凝土 剪力墙 试验 抗震性能 

分 类 号：TU375[建筑科学—结构工程]