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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

42卷

期数:

2025年04期

页码:

43-53

栏目:

建筑结构

出版日期:

2025-07-10

文章信息/Info

Title:

Study on mechanical behavior of double-faced superposed concrete shear wall under axial compression

文章编号:

1673-2049(2025)04-0043-11

作者:

郑张玉^1,2,程健飞³,田水³,陈俊达³,谭园⁴,闫飞^1,2

(1. 长江勘测规划设计研究有限责任公司,湖北 武汉 430010; 2. 滨水空间规划设计湖北省工程研究中心,湖北 武汉 430010; 3. 武汉理工大学 土木工程与建筑学院,湖北 武汉 430070; 4. 美好建筑装配科技有限公司,湖北 武汉 430071)

Author(s):

ZHENG Zhangyu^1,2, CHENG Jianfei³, TIAN Shui³, CHEN Junda³, TAN Yuan⁴, YAN Fei^1,2

(1. Changjiang Survey, Planning, Design and Research Co., Ltd., Wuhan 430010, Hubei, China; 2. Hubei Provincial Engineering Research Center for Waterfront Space Planning and Design, Wuhan 430010, Hubei, China; 3. School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, Hubei, China; 4. Myhome Prefabricated Building and Technology Co., Ltd., Wuhan 430071, Hubei, China)

关键词:

双面叠合混凝土剪力墙;  轴压性能;  试验研究;  数值模型

Keywords:

double-faced superposed concrete shear wall;  axial compression performance;  experimental study;  numerical model

分类号:

TU375

DOI:

10.19815/j.jace.2023.11003

文献标志码:

A

摘要:

为研究双面叠合混凝土剪力墙的轴心受压性能,对3个双面叠合混凝土剪力墙试件以及1个现浇对比试件进行轴压试验。基于ABAQUS有限元软件建立了精细化数值模型,通过与试验结果进行对比,验证数值模型的准确性,并基于已有的轴心受压承载力理论公式进行了理论计算。结果表明:轴压荷载作用下,现浇和叠合混凝土剪力墙试件均发生脆性破坏; 对于叠合剪力墙试件,叠合面开裂显著影响了预制板和芯层混凝土的协同工作性能; 相较于焊接连接,桁架筋与网片筋采用绑扎连接时试件的极限荷载更大; 桁架筋采用交错摆放形式后,试件的极限荷载有较大提升; 叠合剪力墙的极限承载力随着高厚比的增加而下降; 桁架筋离墙侧面越远,叠合剪力墙的整体性越差,叠合面更容易开裂; 由于叠合试件的整体性较差,导致理论结果偏于不安全。

Abstract:

In order to study the axial compression performance of double-faced superposed concrete shear wall, three double-faced superposed concrete shear wall specimens and one cast-in-place contrast specimen were tested under axial compression. A refined numerical model was established based on ABAQUS finite element software. The accuracy of the numerical model was verified by comparing with the experimental results, and the theoretical calculation was carried out based on the existing theoretical formula of axial compression bearing capacity. The results show that brittle failure occurs in both cast-in-place and superposed concrete shear wall specimens under axial compression load. For the superposed shear wall specimens, the cracking of superposed surface significantly affects the collaborative performance of the precast slab and the core concrete. Compared to welded connections, the ultimate load of specimen is greater when the truss bars and mesh bars are tied together. After adopting a staggered arrangement of truss bars, the ultimate load of specimen is significantly increased. The ultimate bearing capacity of superposed shear walls decreases with the increase of height to thickness ratio. The farther the truss bar is from the side of wall, the poorer the overall integrity of superposed shear wall, and the more likely the superposed surface is to crack. Due to the poor overall integrity of superposed specimens, the theoretical results tend to be unsafe.

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备注/Memo

备注/Memo:

收稿日期:2023-11-01
基金项目:湖北省高校产学研合作后补助基金资助项目(2019280); 长江勘测规划设计研究有限责任公司资助项目(20201h0362)
作者简介:郑张玉(1981-),男,高级工程师,E-mail:zhengzhangyu@cjwsjy.com.cn。
通信作者:程健飞(1996-),男,工学博士研究生,E-mail:chengjf@whut.edu.cn。
Author resumes: ZHENG Zhangyu(1981-),male, senior engineer, E-mail: zhengzhangyu@cjwsjy.com.cn; CHENG Jianfei(1996-), male, doctoral student, E-mail: chengjf@whut.edu.cn.

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更新日期/Last Update: 2025-07-10