[1]黄远,洪露露,万雄伟,等.钢筋混凝土剪力墙塑性铰长度[J].地震工程与工程振动,2019,39(02):079-88.[doi:10.13197/j.eeev.2019.02.79.huangy.009]
 HUANG Yuan,HONG Lulu,WAN Xiongwei,et al.Plastic hinge length of reinforced concrete shear wall[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2019,39(02):079-88.[doi:10.13197/j.eeev.2019.02.79.huangy.009]
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钢筋混凝土剪力墙塑性铰长度
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《地震工程与工程振动》[ISSN:/CN:]

卷:
39
期数:
2019年02
页码:
079-88
栏目:
论文
出版日期:
2019-04-30

文章信息/Info

Title:
Plastic hinge length of reinforced concrete shear wall
作者:
黄远12 洪露露2 万雄伟2 胡晓芳2
1. 湖南大学 工程结构损伤诊断湖南省重点实验室, 湖南 长沙 410082;
2. 湖南大学 土木工程学院, 湖南 长沙 410082
Author(s):
HUANG Yuan12 HONG Lulu2 WAN Xiongwei2 HU Xiaofang2
1. Hunan Provincial Key Lab on Damage Diagnosis for Engineering Structures, College of Civil Engineering, Hunan University, Changsha 410082, China;
2. College of Civil Engineering, Hunan University, Changsha 410082, China
关键词:
剪力墙精细有限元分析塑性铰长度抗震性能简化公式
Keywords:
reinforced concrete shear wallrefined finite element analysisplastic hinge lengthseismic performancesimplified formula
分类号:
TU375
DOI:
10.13197/j.eeev.2019.02.79.huangy.009
摘要:
在基于性能的结构抗震设计框架内,塑性铰长度的大小能反映相应的剪力墙延性和耗能能力的强弱,同时也是衡量结构抗震性能的重要指标。本文采用MSC.Marc建立了钢筋混凝土剪力墙的精细有限元分析模型,并采用试验数据对分析模型进行验证,有限元计算结果与试验结果吻合较好,说明了本文剪力墙有限元模型的合理性。在此基础上,研究了剪力墙截面高度、剪力墙高度、轴压比、中间墙体横向分布钢筋的配筋率、混凝土强度、纵向钢筋强度、边缘约束构件纵向钢筋配筋率等参数对塑性铰长度影响。分析结果表明,剪力墙塑性铰长度随着剪力墙截面高度、剪力墙高度、边缘约束构件纵向钢筋配筋率的增大而增大,随着轴压比、水平分布钢筋配筋率、混凝土强度、纵向钢筋强度的增大而减小。其中剪力墙截面高度、剪力墙高度和轴压比是主要的影响因素。基于参数分析结果提出了一个计算剪力墙塑性铰长度的简化公式,简化公式计算结果与试验结果吻合良好,表明简化计算公式合理可靠,可供工程设计参考。
Abstract:
In performance-based seismic design of structure, plastic hinge length can reflect behavior of ductility and energy dissipation of reinforced concrete shear wall, and is an important indicator to measure the seismic behavior of structure. Reinforced concrete shear walls were set up by MSC.Marc and validated by comparing with lots of test data. The results of finite element analysis are in good agreement with that of experiments. It show the model of reinforced concrete shear wall in this paper is reasonable. Parametric study was conducted on reinforced concrete shear wall to study plastic hinge length influenced by the depth of section, the height of shear wall, the axial load ratio,the volumetric ratio of the web horizontal reinforcement, the concrete strength, the yield tensile strength of longitudinal bars in wall boundaries, the longitudinal reinforcement content in wall boundaries. The results show that plastic hinge length increases with the depth of section, the height of shear wall and the longitudinal reinforcement content in wall boundaries, and decreases with the axial load ratio,the volumetric ratio of the web horizontal reinforcement, the concrete strength and the yield tensile strength of longitudinal bars in wall boundaries. And the depth of section, the height of shear wall and the axial load ratio are the main factors of plastic hinge length. A simplified formula to evaluate the plastic hinge length of reinforced concrete shear wall was proposed on the basis of parametric study. The results obtained from the simplified formula are in good agreement with that from experiments. It proves that the simplified formula is reasonable and reliable and can be used for reference.

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备注/Memo

备注/Memo:
收稿日期:2018-6-6;改回日期:2018-11-19。
基金项目:国家自然科学基金项目(51478174)
作者简介:黄远(1982-),男,教授,博士,主要从事钢-混凝土组合结构、装配式混凝土结构方面等研究.E-mail:huangy@hnu.edu.cn
更新日期/Last Update: 1900-01-01