Seismic behavior of horizontally spliced single-side superposed shear wall using a concealed column

IF 2.1 4区 工程技术 Q2 CONSTRUCTION & BUILDING TECHNOLOGY Advances in Structural Engineering Pub Date : 2024-03-19 DOI:10.1177/13694332241240660
Kai Xu, Lunhai Zhi, Wei Ma, Kang Zhou
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Abstract

The single-side superposed (SSS) shear wall is an innovative precast concrete sandwich panel that better meets the requirements of building industrialization. However, the seismic behavior of SSS shear walls remains inadequately understood. In this paper, a full-scaled horizontally spliced SSS shear wall using a concealed column and an integral SSS shear wall of the same dimensions were tested. The seismic behavior was investigated considering various aspects including hysteresis performance, bearing capacity, ductility performance, energy dissipation capacity, and stiffness degradation curve. The simulation models were established by the Abaqus, which provided the verification and further research for the test. Furthermore, two innovative splicing forms were proposed to optimize the existing specimens through the Abaqus. The experimental results indicated that implementing the vertical joint would lead to a decrease in the yield-bearing capacity by 24%, but it would also enhance the ultimate bearing capacity by 12.7%. Meanwhile, the deformation capacity would improve by 9.7%. The numerical simulations demonstrated that the suggested splicing methods effectively meet the demands of building industrialization.
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使用暗柱的水平拼接单侧叠合剪力墙的抗震性能
单面叠合(SSS)剪力墙是一种创新的预制混凝土夹芯板,能更好地满足建筑工业化的要求。然而,人们对 SSS 剪力墙的抗震性能仍然了解不足。本文测试了采用暗柱的全尺寸水平拼接 SSS 剪力墙和相同尺寸的整体 SSS 剪力墙。从滞后性能、承载能力、延性性能、耗能能力和刚度退化曲线等多方面对其地震行为进行了研究。模拟模型由 Abaqus 建立,为试验提供了验证和进一步研究。此外,通过 Abaqus 还提出了两种创新的拼接形式,以优化现有试样。试验结果表明,采用垂直拼接会导致屈服承载力下降 24%,但也会使极限承载力提高 12.7%。同时,变形能力也提高了 9.7%。数值模拟表明,建议的拼接方法能有效满足建筑工业化的需求。
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来源期刊
Advances in Structural Engineering
Advances in Structural Engineering 工程技术-工程:土木
CiteScore
5.00
自引率
11.50%
发文量
230
审稿时长
2.3 months
期刊介绍: Advances in Structural Engineering was established in 1997 and has become one of the major peer-reviewed journals in the field of structural engineering. To better fulfil the mission of the journal, we have recently decided to launch two new features for the journal: (a) invited review papers providing an in-depth exposition of a topic of significant current interest; (b) short papers reporting truly new technologies in structural engineering.
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