钢管约束高强混凝土剪力墙压弯承载力及截面变形能力设计方法研究

白亮; 谢鹏飞; 周天华; 张轶

doi:10.6052/j.issn.1000-4750.2016.07.0551

钢管约束高强混凝土剪力墙压弯承载力及截面变形能力设计方法研究

长安大学建筑工程学院, 陕西, 西安 710061

基金项目: 国家自然科学基金项目（51208058）；中央高校基本科研业务费（重点项目）（2013G2281016）；陕西省自然科学基金项目（2014JM7294）；陕西省协同创新计划项目（2015XT-38）

详细信息

作者简介:
谢鹏飞(1991―),男,山东菏泽人,硕士生,主要从事组合结构研究(E-mail:pengfeiguhun@163.com);周天华(1963―),男,陕西西乡人,教授,博士,主要从事轻钢结构、组合结构理论与工程应用研究(E-mail:zhouth@chd.edu.cn);张轶(1989―),男,陕西铜川人,硕士生,主要从事组合结构研究(E-mail:zhangyi_1988@126.com).

通讯作者:
白亮(1981―),男,陕西西安人,副教授,博士(后),主要从事钢与混凝土组合结构及抗震研究(E-mail:bailiang2000@aliyun.com).

中图分类号: TU398+.2
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- 文章访问数: 411
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出版历程
- 收稿日期: 2016-07-19
- 修回日期: 2017-01-18
- 刊出日期: 2017-11-24

STUDY ON DESIGN METHOD OF AXIAL FORCE-MOMENT CAPACITY AND SECTIONAL DEFORMATION CAPACITY OF STEEL TUBE CINFINED HIGH-STRENGTH CONCRETE SHEAR WALLS

School of Civil Engineering, Chang'an University, Xi'an, Shaanxi 710061, China

摘要

摘要: 通过剪跨比为2.1的钢管约束高强混凝土剪力墙试件低周反复加载试验，研究其在压弯荷载作用下的破坏形态、机理及耗能能力。试验表明，通过在高强混凝土剪力墙约束边缘构件内设置钢管，可提高其延性。在试验研究基础上，对钢管约束高强混凝土剪力墙压弯承载力及变形能力进行分析。考虑内置钢管约束影响，建立钢管约束高强混凝土剪力墙压弯承载力计算公式。根据截面平衡条件和变形条件，计算钢管约束高强混凝土剪力墙位移延性系数，得到钢管套箍率、轴压比及墙体高宽比与位移延性系数之间关系。研究表明，增加钢管套箍率及控制墙体轴压比，可以提高钢管约束高强混凝土剪力墙延性；提出满足不同变形能力要求，对应各种轴压比情况下，钢管约束高强混凝土剪力墙钢管套箍率建议设计值。
- 高强混凝土 /
- 剪力墙 /
- 压弯承载力 /
- 延性 /
- 钢管套箍率
Abstract: Cyclic loading tests of steel tube confined high-strength concrete shear walls with shear span ratios of 2.1 were conducted, and the failure pattern, mechanism and deformability under axial force-moment load were studied. The test shows that by providing confinement to the wall panel with steel tube, the ductility of specimens are improved. Based on experimental results, axial force-moment capacity and deformation capacity of steel tube confined high-strength concrete shear walls were analyzed. By considering the confinement of steel tube, axial force-moment capacity formula was established. Based on the equilibrium and deformation condition, the displacement ductility ratio of steel tube confined high-strength concrete shear walls was calculated. The mutual relationships among steel stirrup ratio, axial compression ratio, aspect ratio and displacement ductility ratio were obtained. The result shows that enhancing steel stirrup ratio and restraining axial compression ratio can improve ductility performance. Furthermore, the steel stirrup ratios with various deformation capacity and axial compression ratios are recommended.
- high-strength concrete /
- shear walls /
- axial force-moment capacity /
- ductility /
- steel stirrup ratio

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参考文献(22)

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文章访问数: 411
HTML全文浏览量: 41
PDF下载量: 30
被引次数: 19

钢管约束高强混凝土剪力墙压弯承载力及截面变形能力设计方法研究

通讯作者: 白亮(1981―),男,陕西西安人,副教授,博士(后),主要从事钢与混凝土组合结构及抗震研究(E-mail:bailiang2000@aliyun.com).

计量

出版历程

STUDY ON DESIGN METHOD OF AXIAL FORCE-MOMENT CAPACITY AND SECTIONAL DEFORMATION CAPACITY OF STEEL TUBE CINFINED HIGH-STRENGTH CONCRETE SHEAR WALLS

期刊类型引用(7)

其他类型引用(12)

计量

出版历程

目录

通讯作者:
白亮(1981―),男,陕西西安人,副教授,博士(后),主要从事钢与混凝土组合结构及抗震研究(E-mail:bailiang2000@aliyun.com).