带构造钢筋桁架双面叠合混凝土剪力墙轴心受压性能试验研究

任帆; 谷倩; 谭园; 彭波; 田水; 王翔

doi:10.13204/j.gyjzG21123003

带构造钢筋桁架双面叠合混凝土剪力墙轴心受压性能试验研究

doi: 10.13204/j.gyjzG21123003

任帆¹,
谷倩¹,
谭园²,
彭波³,
田水¹,
王翔^1, ,

1. 武汉理工大学土木工程与建筑学院, 武汉 430070;
2. 美好建筑装配科技有限公司, 武汉 430070;
3. 湖北省工业建筑集团有限公司, 武汉 430070

基金项目:

武汉市城建局科技计划项目(201922)

湖北省高校产学研后补助项目(2019280)

武汉理工大学自主创新研究基金资助项目(2021IVA005B)。

详细信息

作者简介:
任帆,男,1997年出生,硕士研究生。

通讯作者:
王翔,wangx218@126.com。

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- 被引次数: 0
出版历程
- 收稿日期: 2021-12-30
- 网络出版日期: 2022-12-01

Research on Mechanical Properties of Double-Faced Precast Concrete Superposed Shear Wall with Structural Steel Trusses Under Axial Compression

REN Fan¹,
GU Qian¹,
TAN Yuan²,
PENG Bo³,
TIAN Shui¹,
WANG Xiang^{1
, ,}

1. School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China;
2. Beautiful Building Assembly Technology Co., Ltd., Wuhan 430070, China;
3. Hubei Industrial Construction Group Co., Ltd., Wuhan 430070, China

摘要

摘要: 通过对3片双面叠合混凝土剪力墙试件进行轴心受压试验和有限元参数分析,研究双面叠合混凝土剪力墙在轴心荷载作用下的破坏形态、变形以及极限承载力,分析了钢筋桁架与分布筋网片采用不同的连接方式对双面叠合混凝土剪力墙试件轴心受压性能的影响。试验结果表明:双面叠合混凝土剪力墙在轴心荷载作用下的破坏始于预制层和后浇层混凝土叠合面开裂,达到极限荷载时墙板两侧叠合面裂缝贯通,墙板局部区域混凝土压碎;本次试验中,钢筋桁架与分布筋网片采用绑扎连接方式的双面叠合混凝土剪力墙试件的极限承载力高于采用焊接连接方式的试件。双面叠合混凝土剪力墙试件的有限元计算结果与试验结果吻合良好;参数分析结果表明,增大预制-后浇混凝土叠合面摩擦系数和钢筋桁架腹筋直径可明显提高叠合墙板的极限承载力。
- 双面叠合混凝土剪力墙 /
- 钢筋桁架 /
- 轴心受压试验 /
- 连接方式 /
- 有限元分析
Abstract: By conducting axial compression tests and finite element analysis on three double-faced precast concrete superposed shear wall(DPCW)specimens, the damage patterns, deformation and ultimate bearing capacity of double-faced precast concrete superposed shear walls under axial load were studied, and the effects of different connection methods between steel truss and distributed reinforcement mesh on the mechanical properties of double-faced precast concrete superposed shear wall specimens were analyzed. The test results showed that the damage of double-faced precast concrete superposed shear walls under axial load started from the cracking of the concrete laminated surface of the precast and post-cast layers, and when the ultimate load was reached, the cracks of laminated surface on both sides of wall slabs were penetrated, and concrete of wall slabs was crushed. In this test, the ultimate bearing capacity of the specimen of double-faced precast concrete superposed shear wall with tied connection of reinforcement joist and distribution bar mesh was higher than that of the specimen with welded connection. The finite element calculation results of double-faced precast concrete superposed shear wall specimens were in good agreement with the test results; the parameter analysis results showed that increasing the friction coefficient of precast-postcast concrete laminated surface and the diameter of web reinforcement of steel truss could significantly improve the ultimate bearing capacity of laminated wall slabs.
- double-faced precast concrete superposed shear wall /
- reinforced concrete truss /
- axial compression test /
- connection method /
- finite element analysis

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