Seismic performance of composite shear walls with embedded FCCCs in boundary elements

Hu Li; Feng Peng; Lin Hongwei; Yang Jia-Qi; Qiang Hanlin

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Seismic performance of composite shear walls with embedded FCCCs in boundary elements

机译：嵌入式FCCS在边界元件中复合剪力墙的地震性能

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A novel composite concrete shear wall with FRP-Confined Concrete Cores (FCCCs) arranged in the boundary elements is proposed. A series of quasi-static tests are performed to evaluate the seismic performance of the proposed composite shear walls. The specimens are subjected to combined constant vertical loading and cyclic lateral loading. The tested variables include the concrete strength of FCCC, the number of FCCC in the boundary elements, and the cross-section of the composite shear wall. Based on the test results, systematic discussions on the seismic behavior of the composite shear walls, including the failure mode, the hysteretic response, the energy dissipation, the stiffness/strength degradation, etc., are presented. It is found that the composite shear walls demonstrate similar lateral load resistance but much better deformability and energy dissipation compared with ordinary RC shear wall. Finally, numerical simulations were performed based on the software OpenSees. The FE results were in good agreement with test results. The influence of various parameters on the seismic behavior of composite shear wall was discussed based on parametric studies.

机译：提出了一种具有布普限制混凝土芯（FCCC）的新型复合混凝土剪力墙，布置在边界元件中。进行一系列准静态测试以评估所提出的复合剪力墙的地震性能。对样品进行组合的恒定垂直载荷和环状横向载荷。测试变量包括FCCC的混凝土强度，边界元件中的FCCC的数量，以及复合剪力墙的横截面。基于测试结果，提出了对复合剪力墙的地震行为的系统讨论，包括故障模式，滞后响应，能量耗散，刚度/强度降解等。结果，复合剪切壁与普通的RC剪切墙相比，表现出类似的横向载荷电阻但更好的可变形性和能量耗散。最后，基于软件开放性执行数值模拟。 FE结果与测试结果吻合良好。基于参数研究，讨论了各种参数对复合剪力壁地震行为的影响。

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来源
《Composite Structures》 |2021年第2期|113126.1-113126.17|共17页
作者
Hu Li; Feng Peng; Lin Hongwei; Yang Jia-Qi; Qiang Hanlin;
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作者单位

Tsinghua Univ Dept Civil Engn Beijing 100084 Peoples R China|PLA Inst Def Engn AMS Beijing 100850 Peoples R China;

Tsinghua Univ Dept Civil Engn Beijing 100084 Peoples R China;

Tsinghua Univ Dept Civil Engn Beijing 100084 Peoples R China;

Tsinghua Univ Dept Civil Engn Beijing 100084 Peoples R China;

Tsinghua Univ Dept Civil Engn Beijing 100084 Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Shear wall; FRP-Confined Concrete Core; Boundary element; Seismic performance; Cyclic loading;

机译：剪切墙;FRP限制混凝土芯;边界元件;地震性能;循环载荷;

Seismic performance of composite shear walls with embedded FCCCs in boundary elements

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