[1]董宏英,张力嘉,曹万林,等.密柱-钢板深梁结构抗震性能试验研究[J].东南大学学报(自然科学版),2015,45(3):550-556.[doi:10.3969/j.issn.1001-0505.2015.03.024]
 Dong Hongying,Zhang Lijia,Cao Wanlin,et al.Experimental study on seismic behavior of structure with dense columns-deep steel plate beams[J].Journal of Southeast University (Natural Science Edition),2015,45(3):550-556.[doi:10.3969/j.issn.1001-0505.2015.03.024]
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密柱-钢板深梁结构抗震性能试验研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
45
期数:
2015年第3期
页码:
550-556
栏目:
土木工程
出版日期:
2015-05-20

文章信息/Info

Title:
Experimental study on seismic behavior of structure with dense columns-deep steel plate beams
作者:
董宏英张力嘉曹万林乔崎云刘恒超
北京工业大学建筑工程学院, 北京 100124
Author(s):
Dong Hongying Zhang Lijia Cao Wanlin Qiao Qiyun Liu Hengchao
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124
关键词:
密柱-钢板深梁 低周反复荷载试验 抗震性能 承载力计算
Keywords:
dense columns-deep steel plate beams low-cycle loading experiment seismic behavior load-bearing capacity calculation
分类号:
TU398
DOI:
10.3969/j.issn.1001-0505.2015.03.024
摘要:
提出了一种内藏密柱-钢板深梁混凝土组合剪力墙,密柱-钢板深梁为其核心钢构.为研发高性能密柱-钢板深梁结构,对4个具有不同设计参数的试件进行了低周反复荷载试验.试件的密柱分为方钢管混凝土、圆钢管混凝土、工字钢3种截面,钢板深梁分为Q235,Q345两种钢材,试件剪跨比为1.5.基于试验,分析了各试件的承载力、刚度及退化过程、延性、滞回特性、耗能、损伤与破坏过程,提出了密柱-钢板深梁结构承载力计算模型,计算结果与实测结果符合较好.研究结果表明:“强密柱、弱钢板深梁”型结构可实现延性屈服机制;密柱截面用钢量相同时,采用圆钢管混凝土密柱的结构性能最好;与采用Q345钢板深梁的结构相比,采用Q235钢板深梁的结构虽承载力略小但延性更好;密柱-钢板深梁结构具有良好的抗震性能和延性屈服机制.
Abstract:
The composite concrete shear wall embedded with dense columns-deep steel plate beams as the core structure was proposed. In order to investigate a high-performance structure with dense columns-deep steel plate beams, low cyclic loading experiments were carried out on four specimens with different design parameters. Three section styles, including concrete filled square steel tube column, concrete filled circular steel tube column, and I-section steel column, were adopted for dense columns. The steel strengths of deep beams included two grades, Q235 and Q345. The shear span ratios of all the specimens were 1.5. Based on the experiments, the load-bearing capacities, stiffness and deterioration processes, ductilities, hysteretic behaviors, energy dissipations, damage and failure processes of specimens were analyzed. The load-bearing capacity calculation model was established, and the calculation results were in good agreement with the test results. The investigation results show that the structure with “strong columns and weak deep steel plate beams” can achieve the ductile yield mechanism. Among three types of dense columns with the same steel consumption, the structure with circular steel tube columns has the best seismic performance. Compared with the structure of Q345, the structure with steel deep beams of Q235 has better ductility in spite of lower load-bearing capacity. The structure with dense columns-deep steel plate beams has good seismic performance and shows good ductile yield mechanism.

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备注/Memo

备注/Memo:
收稿日期: 2014-12-24.
作者简介: 董宏英(1966—),女,博士,副教授, donghy@bjut.edu.cn.
基金项目: 北京市自然科学基金资助项目(8122004)、“十二五”国家科技支撑计划资助项目(2012BAJ13B02).
引用本文: 董宏英,张力嘉,曹万林,等.密柱-钢板深梁结构抗震性能试验研究[J].东南大学学报:自然科学版,2015,45(3):550-556. [doi:10.3969/j.issn.1001-0505.2015.03.024]
更新日期/Last Update: 2015-05-20