[1]李武雄.基于塑性损伤本构的双层模块装配式组合剪力墙抗震性能研究[J].华南地震,2022,(03):94-106.[doi:10.13512/j.hndz.2022.03.12]
　LI Wuxiong.Research on Seismic Performance of Double-layer Modular Composite Shear Wall Based on Plastic Damage Constitutive[J].,2022,(03):94-106.[doi:10.13512/j.hndz.2022.03.12]
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基于塑性损伤本构的双层模块装配式组合剪力墙抗震性能研究()
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华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2022年03期
页码:
94-106
栏目:
土木工程防震减灾
出版日期:
2022-09-15

文章信息/Info

Title:
Research on Seismic Performance of Double-layer Modular Composite Shear Wall Based on Plastic Damage Constitutive
文章编号:
1001-8662（2022）03-094-13
作者:
李武雄
深圳地铁置业集团有限公司，深圳 518026
Author(s):
LI Wuxiong
Shenzhen Metro Real Estate Group Co.， Ltd.， Shenzhen 518026， China
关键词:
塑性损伤本构; 装配式; 组合剪力墙; 抗震性能; 参数影响
Keywords:
Plastic damage constitution;  Precast;  Composite shear wall;  Seismic performance;  Parameter influence
分类号:
TU352.11；TU398.2
DOI:
10.13512/j.hndz.2022.03.12
文献标志码:
A
摘要:
以双层模块装配式组合剪力墙结构为研究对象，考虑塑性损伤本构关系建立了该双层装配式剪力墙结构的数值有限元计算模型，引入试验结果对所建数值模型进行了验证分析，在此基础上调查了跨高比、高厚比、混凝土强度和栓钉间距等参数对双层组合剪力墙抗震性能的影响。结果表明：考虑混凝土和型钢材料的塑性损伤本构可更为准确地模拟剪力墙构件在往复加载过程中的力学性能，且与试验结果具有更优的吻合度；双层模块组合剪力墙具有良好的抗震性能，跨高比、钢板厚度增大有利于提高剪力墙构件的承载力和滞回性能，而混凝土强度和栓钉间距对承载力和滞回性能的影响不大；刚度退化比较稳定，跨高比对割线刚度的影响最大、高厚比次之，混凝土强度和栓钉间距几乎无影响；栓钉间距对混凝土损伤发展行为影响较大，建议栓钉间距取150mm。
Abstract:
Taking the double-layer modular composite shear wall structure as the research object， considering the plastic damage constitutive relation， the finite element model（FEM）of the double-layer modular fabricated composite shear wall（DMF composite shear wall）is established，and the rationality and accuracy of the FEM of the DMF composite shear wall are verified by introducing the test results. On this basis， the influence of parameters such as span-height ratio, height-thickness ratio， concrete strength and stud spacing on the seismic performance of DMF composite shear wall are investigated. The results show that considering the plastic damage constitutive of concrete and section steel materials， the mechanical properties of DMF composite shear wall during the reciprocating loading process can be simulated more accurately, and the results are better in agreement with the test results. The DMF composite shear wall has good seismic performance， the increase of the height ratio and the thickness of the steel plate is beneficial to improve the bearing capacity and hysteretic performance of DMF composite shear walls， while the concrete strength and stud spacing have little effect on the bearing capacity and hysteretic performance. The stiffness degradation is the DMF composite shear wall relatively stable. The span-height ratio has the greatest influence on the secant stiffness，followed by the height-thickness ratio. The concrete strength and the stud spacing have almost no effect； the distance between studs has a great influence on the concrete damage development behavior. It is suggested that the stud spacing be 150 mm.

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备注/Memo

备注/Memo:
收稿日期：2021-11-10
基金项目：国家自然科学
基金项目（51878191）
作者简介：李武雄（1975-），男，硕士，主要从事高层结构分析与设计研究。E-mail: wadaya2015@gzhu.edu.cn
更新日期/Last Update: 2022-09-15