[1]尹丽丹,马宁.轴力和剪力共同作用下防屈曲剪切钢板阻尼器抗震性能试验研究[J].自然灾害学报,2020,29(06):129-138.[doi:10.13577/j.jnd.2020.0613]
 YIN Lidan,MA Ning.Experimental study on seismic performance of buckling restrained shear plate damper under the combined action of axial force and shear force[J].,2020,29(06):129-138.[doi:10.13577/j.jnd.2020.0613]
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轴力和剪力共同作用下防屈曲剪切钢板阻尼器抗震性能试验研究
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
29
期数:
2020年06期
页码:
129-138
栏目:
出版日期:
2020-12-28

文章信息/Info

Title:
Experimental study on seismic performance of buckling restrained shear plate damper under the combined action of axial force and shear force
作者:
尹丽丹12 马宁12
1. 大连理工大学 土木工程学院, 辽宁 大连 116024;
2. 大连理工大学海岸与近海工程国家重点实验室, 辽宁 大连 116024
Author(s):
YIN Lidan12 MA Ning12
1. School of Civil Engineering, Dalian University of Technology, Dalian 116024, China;
2. The State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
关键词:
轴向力防屈曲剪切刚板阻尼器滞回性能拟静力试验有限元分析
Keywords:
axial forcebuckling restrained shear panel dampershysteretic behaviorquasi-static testfinite element analysis
分类号:
TU393;X9;X4
DOI:
10.13577/j.jnd.2020.0613
摘要:
剪切钢板阻尼器是一种抗震性能良好的耗能装置,但现有的研究主要针对剪切单向受力的情况,对应用于地下结构和耗能连梁中双向受力状态下的研究尚且不足;而普通剪切钢板阻尼器易发生平面外屈曲,特别是在双向力作用下,抗震性能较差。鉴于此,针对带翼缘的防屈曲剪切钢板阻尼器(BRSPD)进行了剪力和轴向压力下抗震性能试验研究。共设定3个试件,分别进行不同轴力作用下水平往复加载试验,同时利用有限元软件ABAQUS对7个不同轴压比的试件进行有限元模拟分析,以探究轴向力对BRSPD滞回性能的影响。结果表明此种阻尼器能有效抑制腹板屈曲,此种阻尼器能有效耗能工作的可承受最大轴压比为0.6。当轴压比在0.6以内时,具有很好的延性和耗能性能。而当轴压比大于0.6时,阻尼器的极限承载力、延性和耗能能力会严重降低。此外结果还表明轴向力对BRSPD的刚度影响较小。
Abstract:
The shear steel plate damper is used as a good seismic energy dissipation device. However, the existing researches mainly focus on the situation of shear unidirectional force, and the research on the state of bidirectional force is still insufficient, such as the applications on underground structures and energy dissipation connected beams, and so on. Some researches show that ordinary shear plate dampers are prone to out-of-plane buckling easily, even more applying additional axial forces, the seismic performance is poor. To address this issue, an experimental study on the hysteretic behavior of buckling restrained shear plate dampers (BRSPDs) with flanges, is carried out under bidirectional loadings of shear force and axial force. In this paper, three groups of specimens are set up. To investigate the effect of axial force on the hysteretic performance of BRSPDs, they were subjected to horizontal reciprocating loading tests under different axial forces. In addition, a total of 7 specimens with different axial compression ratios were set up to perform finite element simulation analysis using ABAQUS. The results indicate that under the action of axial force, BRSPDs can effectively slow the external buckling of the web, and it is concluded that the maximum axial pressure ratio that this damper can work effectively is 0.6. When the axial pressure ratio is within 0.6, the damper shows a good energy dissipation performance and good ductility. However, when it exceeds 0.6, the ultimate bearing capacity, ductility and energy consumption of the dampers will be severely reduced. While the stiffness of the damper has almost no changes.

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备注/Memo

备注/Memo:
收稿日期:2019-06-28;改回日期:2020-06-30。
基金项目:国家自然科学基金项目(51778112);国家重点研发计划重点专项(2016YFC0701102)
作者简介:尹丽丹(1994-),女,硕士研究生,主要从事结构抗震研究.E-mail:15545105532@163.com
通讯作者:马宁(1981-),女,副教授,博士,主要从事结构抗震研究、耗能减震、智能结构及系统研究.E-mail:maning@dlut.edu.cn
更新日期/Last Update: 1900-01-01