[1]惠宽堂１,沈艺超１,李　亮２.多重抗侧力钢-混凝土混合结构最优刚度比研究[J].西安建筑科技大学学报：自然版,2016,48(03):333-339.[doi:10.15986/j.1006-7930.2016.03.005]
　XI Kuantang,SHEN Yichao,LI Liang.Studies on the optimal stiffness ratios of multi-lateral resistant steel-concrete mixed structure[J].J.Xi’an Univ. of Arch. & Tech.：Natural Science Edition,2016,48(03):333-339.[doi:10.15986/j.1006-7930.2016.03.005]
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多重抗侧力钢-混凝土混合结构最优刚度比研究()
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西安建筑科技大学学报：自然版[ISSN:1006-7930/CN:61-1295/TU]

卷:
48
期数:
2016年03期
页码:
333-339
栏目:
出版日期:
2016-06-28

文章信息/Info

Title:
Studies on the optimal stiffness ratios of multi-lateral resistant steel-concrete mixed structure
文章编号:
1006-7930(2016)03-0333-07
作者:
惠宽堂１; 沈艺超１; 李　亮２
( 1. 西安建筑科技大学土木工程学院,陕西 西安 710055;2. 长安大学建筑工程学院,陕西 西安 710061 )
Author(s):
XI Kuantang1;  SHEN Yichao1;  LI Liang2
( 1. School of Civil Engineering, Xi’an Univ. of arch. & Tech., Xi’an 710055, China; 2. School of Civil Engineering, Chang’an University, Xi’an 710061, China )
关键词:
混合结构; 弹塑性时程分析; 层间侧移; 损伤; 刚度比
Keywords:
mixed structure ;  elastic-plastic time history analysis;  layer lateral displacement;  damage;  stiffness ratio
分类号:
TU398.9
DOI:
10.15986/j.1006-7930.2016.03.005
文献标志码:
A
摘要:
多重抗侧力钢-混凝土混合结构是通过楼板将半刚性连接钢框架、屈曲约束支撑钢框架和混凝土芯筒连接起来协同工作的多重抗力体系．在工程设计中，三者的刚度比关系对结构整体的安全性有着重要的影响．根据简化力学模型设计了3组18个弹性抗侧刚度相同的多重抗侧力钢-混凝土混合结构．通过罕遇地震作用下的弹塑性时程分析，研究了结构最大层间侧移与框架、支撑和剪力墙三者刚度比之间的关系；根据改进的Park-Ang损伤模型对剪力墙底层进行震后量化损伤评估，研究其损伤程度与刚度比之间的关系；基于最大层间侧移和底层剪力墙损伤程度双重指标，提出了这种新结构体系的最优刚度比设计建议．
Abstract:
Multi-lateral resistant steel-concrete mixed structure is?composed?of semi-rigid connection steel frame , buckling restrained braces steel frame and concrete core tube through the floor. In engineering design, stiffness ratios are important for the comfort level of the overall structure, the use of functional requirements and security . According to a simplified mechanical model of multi-lateral resistant steel-concrete mixed structure, there are 18 multi-lateral resistant steel-concrete mixed structures designed, which are divided into 3 groups with the same elastic lateral stiffness. Through the elastic-plastic time history analysis under the action of the rare earthquake, the relationships between the maximum layer lateral displacement and the stiffness ratios of the frame, brace and core tube are studied. Shear wall at the bottom was evaluated based on the new modified Park-Ang damage model. The relationships between damage degree and stiffness ratios are studied. The design factors of best stiffness ratios are suggested according to the study of the maximum layer lateral displacement and the damage degree of the bottom shear wall

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备注/Memo

备注/Memo:
基金项目：国家自然科学基金（51208057）；陕西省自然科学基础研究基金项目（2014JM7286）；中国博士后科学基金项日(2013T60687)
收稿日期：2015-10-27 修改稿日期：2016-06-10
作者简介：惠宽堂（1962－），男，教授，主要从事结构力学与结构工程研究．E-mail: xasxzg@163.com
更新日期/Last Update: 2016-08-05