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

卷:

41卷

期数:

2024年05期

页码:

42-51

栏目:

建筑结构

出版日期:

2024-09-20

文章信息/Info

Title:

Low cyclic loading tests on steel core plate and concrete composite shear walls with PBL shear connectors

文章编号:

1673-2049(2024)05-0042-10

作者:

袁涛涛¹,蔡玉军¹,聂少锋²,隋 璐²

(1. 中铁第一勘察设计院集团有限公司,陕西 西安 710043; 2. 长安大学 建筑工程学院,陕西 西安 710061)

Author(s):

YUAN Taotao¹,CAI Yujun¹, NIE Shaofeng², SUI Lu²

(1. China Railway First Survey and Design Institute Group Co., Ltd., Xi'an 710043, Shaanxi, China; 2. School of Civil Engineering, Chang'an University, Xi'an 710061, Shaanxi, China)

关键词:

钢芯板混凝土组合剪力墙;  PBL剪力键;  抗震性能;  拟静力试验

Keywords:

steel core plate and concrete composite shear wall;  PBL shear connector;  seismic performance;  pseudo-static test

分类号:

TU392.5

DOI:

10.19815/j.jace.2022.10117

文献标志码:

A

摘要:

为研究带PBL剪力键的钢芯板混凝土组合剪力墙的抗震性能,对1个型钢混凝土组合剪力墙和4个钢芯板混凝土组合剪力墙进行了循环往复加载试验; 观察带PBL剪力键的钢芯板混凝土组合剪力墙在水平循环荷载下的破坏全过程,并分析该类剪力墙的滞回特征、变形能力、承载能力、耗能性能、刚度和强度退化能力。结果表明:钢芯板混凝土组合剪力墙的破坏模式主要为弯曲型破坏,滞回曲线较为饱满; 配置钢芯板的剪力墙承载力、延性性能和耗能能力较优; PBL剪力键的构造方式可保证钢芯板与混凝土之间的黏结性能完好,PBL剪力键平放会导致剪力墙出现沿PBL剪力键的水平通缝,影响剪力墙承载能力的发挥,建议采用PBL剪力键竖放的构造形式。

Abstract:

In order to study the seismic performance of steel core plate and concrete composite shear walls with PBL shear connectors, the cyclic loading tests of four steel core plate and concrete composite shear walls and one steel and reinforced concrete composite shear wall were carried out. The failure process of steel core plate and concrete composite shear walls with PBL shear connectors under horizontal cyclic loading was observed. The hysteresis performance, deformation capacity, bearing capacity, energy dissipation and degradation of stiffness and strength of the shear wall were analyzed. The results show that the failure mode of steel core plate and concrete composite shear walls is bending failure and the hysteresis curves are relatively full. The shear walls with steel core plate have good bearing capacity, ductility and energy dissipation. The adhesive property between steel core plate and concrete can be guaranteed by configurations of PBL shear connectors. The horizontal arrangement of PBL shear connectors can cause the horizontal seams of shear walls along PBL connectors, which have an impact on bearing capacity of shear walls. Therefore, the vertical arrangement of PBL shear connectors is suggested.

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相似文献/References:

[1]刘永健,张宁,张俊光.PBL加劲型矩形钢管混凝土的力学性能[J].建筑科学与工程学报,2012,29(04):13.
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备注/Memo

备注/Memo:

收稿日期:2023-09-06
基金项目:陕西省重点研发计划项目(2021SF-519); 中铁第一勘察设计院集团有限公司科技创新项目(19-59)
作者简介:袁涛涛(1982-),男,高级工程师,E-mail:285522786@qq.com。
通信作者:聂少锋(1981-),男,工学博士,教授,E-mail:niesf@chd.edu.cn。

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更新日期/Last Update: 2024-09-30