[1]杜一鹏,郝际平,于金光,等.钢板剪力墙结构抗震加固后性能试验研究[J].东南大学学报(自然科学版),2019,49(3):420-426.[doi:10.3969/j.issn.1001-0505.2019.03.002]
 Du Yipeng,Hao Jiping,Yu Jinguang,et al.Experimental study on performance of steel plate shear wall after seismic upgrading[J].Journal of Southeast University (Natural Science Edition),2019,49(3):420-426.[doi:10.3969/j.issn.1001-0505.2019.03.002]
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钢板剪力墙结构抗震加固后性能试验研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
49
期数:
2019年第3期
页码:
420-426
栏目:
土木工程
出版日期:
2019-05-20

文章信息/Info

Title:
Experimental study on performance of steel plate shear wall after seismic upgrading
作者:
杜一鹏郝际平于金光于海升樊秦川潘越
西安建筑科技大学土木工程学院, 西安 710055
Author(s):
Du Yipeng Hao Jiping Yu Jinguang Yu Haisheng Fan Qinchuan Pan Yue
School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
关键词:
钢板剪力墙 拟静力试验 抗震加固 抗震性能 密肋网格
Keywords:
steel plate shear wall pseudo-static test seismic upgrading seismic performance multi-ribbed grid
分类号:
TU391
DOI:
10.3969/j.issn.1001-0505.2019.03.002
摘要:
为研究钢框架-钢板剪力墙抗震加固的必要性及可行性,对2个缩尺比例为1∶3的非加劲钢板剪力墙进行了两阶段低周往复加载试验,研究了地震中受损钢板墙结构的抗震性能,探索了密肋网格修复薄钢板墙的方法.该方法安装方便,可在震后快速施工.由于震后内填板会产生平面内、外错动,故建议在钢板内预留大螺栓孔,并采用长螺栓,以方便安装.试验结果表明,受损钢板墙在二次地震作用下承载力稳定性较差,初始刚度下降约46%,框架承担了较大荷载,破坏模式与纯框架类似.采用密肋网格可以有效抑制墙板变形,修复后内填板可以承担较大荷载.修复后试件延性提高约17.6%,承载力提高约14.4%,可以达到原结构的设计强度.
Abstract:
To study the necessity and feasibility of seismic upgrading on steel frame-steel plate shear walls, two 1∶3 scaled unstiffened steel plate shear wall specimens were tested under low cycle reversed loading in two steps. The seismic performance of the steel plate shear walls damaged in earthquake was studied and the method for repairing thin steel plate shear wall with multi-ribbed grid was explored. It was easy to build quickly after earthquake by this method. The embedded plate occured dislocation in and out plane directions after earthquake. It is suggested that large bolt holes should be reserved on the steel plate and long bolts should be used to facilitate installation. The test results show that the stability of the bearing capacity of the damaged structure is poor and the initial stiffness decreases by about 46%. The frame bears a large load, and the failure mode is similar to that of the steel frames. Anchoring multi-ribbed gird can effectively restrain the deformation of the steel plate. The restored embedded plate can bear a large load. The ductility of the repaired specimen is increased by about 17.6% and the bearing capacity is increased by about 14.4%, which can reach the design strength of the original structure.

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备注/Memo

备注/Memo:
收稿日期: 2018-10-25.
作者简介: 杜一鹏(1990—), 男, 博士生; 郝际平(联系人), 男, 教授, 博士生导师, hao-jp168@163.com.
基金项目: 国家自然科学基金资助项目(51578442)、国家重点研发计划资助项目(2016YFC0701201).
引用本文: 杜一鹏,郝际平,于金光,等.钢板剪力墙结构抗震加固后性能试验研究[J].东南大学学报(自然科学版),2019,49(3):420-426. DOI:10.3969/j.issn.1001-0505.2019.03.002.
更新日期/Last Update: 2019-05-20