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首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Experimental study and numerical simulation of replaceable corrugated steel plate-concrete composite shear walls
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Experimental study and numerical simulation of replaceable corrugated steel plate-concrete composite shear walls

机译：波形钢板混凝土组合剪力墙的试验研究与数值模拟

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In this paper, a new structural form of installing a replaceable corner tension-and-compression damper (RCTCD) at the bottom of corrugated steel plate-concrete (CSPC) shear walls was proposed. This new structural wall is called a replaceable corrugated steel plate-concrete (RCSPC) composite shear wall. After a strong earthquake, the damage is mainly concentrated in the RCTCDs, and the function of the structure is quickly restored by replacing the RCTCDs. To study the seismic performance of RCSPC shear walls, cyclic loading tests on one replaceable horizontally corrugated steel plate-concrete (RHCSPC) composite shear wall and one replaceable vertically corrugated steel plate-concrete (RVCSPC) composite shear wall were conducted. To verify the feasibility of replacement, both the RHCSPC and the RVCSPC structural walls experienced replacement and reloading processes. The test results indicate that the structural behaviour of the two structural walls were flexure dominant. The damage in the RCSPC structural walls were mainly concentrated in the RCTCDs. The replacement of the RCTCDs can be implemented conveniently after residual deformation occurs in the structure. Compared with the RHCSPC structural wall, the RVCSPC structural wall had better seismic performance. Subsequently, the experimental and numerical simulation results were compared, the numerical simulation could predict the shear strength of the RVCSPC and RHCSPC shear walls with good accuracy. In addition, simplified formulas were proposed to evaluate the shear buckling strength of the RVCSPC and RHCSPC shear wails. The calculated results agree well with the test results, verifying the accuracy of the proposed formula.
机译：本文提出了一种新的结构形式，即在波纹钢板混凝土（CSPC）剪力墙的底部安装一个可更换的角拉伸和压缩阻尼器（RCTCD）。这种新的结构墙称为可更换波纹钢板混凝土（RCSPC）复合剪力墙。强烈地震后，破坏主要集中在RCTCD上，通过更换RCTCD可以快速恢复结构的功能。为了研究RCSPC剪力墙的抗震性能，对一台可替换的水平波纹钢板-混凝土（RHCSPC）复合剪力墙和一顶可替换的垂直波纹钢板-混凝土（RVCSPC）复合剪力墙进行了循环荷载试验。为了验证替换的可行性，RHCSPC和RVCSPC结构墙都经历了替换和重新加载过程。测试结果表明，两个结构墙的结构行为均以挠曲为主。 RCSPC结构墙的破坏主要集中在RCTCD中。在结构中发生残余变形后，可以方便地更换RCTCD。与RHCSPC结构墙相比，RVCSPC结构墙具有更好的抗震性能。随后，比较了实验结果和数值模拟结果，数值模拟可以较好地预测RVCSPC和RHCSPC剪力墙的抗剪强度。此外，提出了简化的公式来评估RVCSPC和RHCSPC剪力墙的剪切屈曲强度。计算结果与试验结果吻合良好，验证了所提公式的准确性。

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