工程力学 ›› 2018, Vol. 35 ›› Issue (8): 172-183,191.doi: 10.6052/j.issn.1000-4750.2017.04.0313

• 土木工程学科 • 上一篇    下一篇

采用螺栓连接的工字形全装配式RC剪力墙试验研究

孙建1, 邱洪兴1, 谭志成1,2, 蒋洪波1   

  1. 1. 东南大学混凝土及预应力混凝土结构教育部重点实验室, 南京 211189;
    2. 中国能源建设集团江苏省电力设计院有限公司, 南京 211102
  • 收稿日期:2017-04-25 修回日期:2017-12-20 出版日期:2018-08-29 发布日期:2018-08-29
  • 通讯作者: 邱洪兴(1962-),男,江苏人,教授,博士,博导,主要从事结构工程研究(E-mail:qiuhx@seu.edu.cn). E-mail:qiuhx@seu.edu.cn
  • 作者简介:孙建(1984-),男,江苏人,讲师,博士,主要从事结构工程研究(E-mail:sunjian@seu.edu.cn);谭志成(1989-),男,江苏人,工程师,硕士,主要从事工程结构设计(E-mail:731860347@qq.com);蒋洪波(1990-),男,江苏人,博士生,主要从事结构工程研究(E-mail:jianghongbo@hotmail.com).
  • 基金资助:
    国家自然科学基金项目(51708107);江苏省自然科学基金项目(BK20170668);中央高校基本科研业务费专项资金资助

EXPERIMENTAL STUDY ON I-SHAPED PRECAST REINFORCED CONCRETE SHEAR WALLS USING BOLTED CONNECTIONS

SUN Jian1, QIU Hong-xing1, TAN Zhi-cheng1,2, JIANG Hong-bo1   

  1. 1. Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 211189, China;
    2. China Energy Engineering Corporation Jiangsu Power Design Institute Co., Ltd, Nanjing 211102, China
  • Received:2017-04-25 Revised:2017-12-20 Online:2018-08-29 Published:2018-08-29

摘要: 采用连接钢框、高强度螺栓将带有内嵌边框的纵横向预制钢筋混凝土(RC)剪力墙连接起来,形成工字形剪力墙。为研究该全装配式剪力墙的受力性能和抗震性能,进行了3榀墙体的单调加载试验和1榀墙体的低周反复荷载试验,分析了该全装配式工字形剪力墙的承载能力、刚度、延性性能、耗能能力、连接件的应变分布以及连接件间的相对滑移等,最后探讨了试件的极限抗剪抵抗机制。研究结果表明:该全装配式剪力墙具有较高的承载能力、较好的延性性能以及耗能能力,位移延性系数约为3~6;高强度螺栓的直径、连接钢框钢板的厚度对装配式剪力墙的抗侧刚度及峰值荷载有一定的影响;内嵌边框既传递了分布钢筋的应力,也起到了约束混凝土、增加RC剪力墙延性性能的作用。

关键词: 预制剪力墙, 竖向接缝, 高强度螺栓, 连接钢框, 抗震性能

Abstract: The longitudinal and transverse prefabricated reinforced concrete (RC) wall panels with embedded limbic steel frames are jointed together using connecting steel frames and high strength bolts, forming I-shaped shear walls. To investigate the mechanical behavior and seismic performance of this total-prefabricated shear wall, monotonic loading tests on three specimens and a low-cyclic reversed loading test on one specimen were carried out. The load bearing capacity, lateral stiffness, ductility, energy-dissipating capacity, strain distribution in the connecting components and the relative slippages within the connecting components were subsequently investigated. Then the ultimate anti-shearing mechanism of the test walls was discussed in detail. The research results show that the total-prefabricated shear wall possesses high load bearing capacity, favorable ductility and energy-dissipating capacity. The displacement ductility factor is about 3 to 6. The nominal diameter of the high strength bolt and the thickness of the steel plates in the connecting steel frame have effects on the lateral stiffness and the ultimate bearing capacity of the prefabricated shear wall. The embedded limbic steel frame not only transfers the stress in the distributing steel bars, but also confines the concrete, resulting in superior ductility of the shear wall.

Key words: precast shear wall, vertical connection, high strength bolt, connecting steel frame, seismic behavior

中图分类号: 

  • TU398.2
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