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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

26卷

期数:

2009年01期

页码:

84-93

栏目:

出版日期:

2009-03-20

文章信息/Info

Title:

Static Elasto-plastic Analysis of Concrete-filled Square Tubular Column to Steel Beam Frame Structure with Reduced Beam Section

作者:

周天华¹,聂少锋¹,郭新艳²

1.长安大学建筑工程学院,陕西西安710061;2.西安高压电器研究所有限责任公司,陕西西安710077

Author(s):

ZHOU Tian-hua¹, NIE Shao-feng¹, GUO Xin-yan²

1. School of Civil Engineering, Chang'an University, Xi'an 710061, Shaanxi, China; 2. Xi'an High Voltage Apparatus Research Institute Co., Ltd., Xi'an 710077, Shaanxi, China

关键词:

方钢管混凝土柱;  削弱梁端;  框架结构;  性能点;  静力弹塑性分析

Keywords:

concrete-filled square tubular column;  reduced beam section;  frame structure;  performance point;  static elasto-plastic analysis

分类号:

TU313

DOI:

-

文献标志码:

A

摘要:

提出了适用于SAP2000分析设计软件的等效梁端削弱形式,进而对多层和高层削弱梁端的方钢管混凝土框架结构分别在7度、8度多遇和罕遇地震作用下进行了Push-over分析,并对其抗震性能进行了评估。结果表明:对于多层结构,削弱梁端翼缘对结构整体刚度的影响很小,考虑楼板作用模型的刚度大于未考虑楼板作用模型的刚度,在均布荷载水平加载模式作用下模型的底部剪力大于倒三角荷载水平加载模式作用下相应模型的底部剪力; 对于高层结构,楼板作用对结构在弹性阶段整体刚度的影响较小,在均布和倒三角水平荷载作用下,考虑楼板作用模型的最大底部剪力比未考虑楼板作用模型的最大底部剪力分别大7%和4.5%; 削弱梁端的方钢管混凝土框架结构具有较好的抗震性能。

Abstract:

The equivalent form of reduced beam section which was fit to SAP2000 analysis design software was presented. Both conventional earthquake and rare earthquake under 7 and 8 seismic intensity Push-over analysis of the structure were made to assess the seismic behavior of concrete-filled square tubular column to steel beams multistory and high-rise frame structure with reduced beam section. The results show that the reduced beam section has little influence on stiffness of the multistory frame structure. The stiffness of model of considering influence of RC floor slab is bigger than that of non-considering influenceRC floor slab. The base shearing force of model under uniform lateral load is higher than that of model under inverted triangle lateral load. As for high-rise building, there is little effect of RC floor slab on structure stiffness in elastic stage.The maximal base shearing forces of considering the model of influence of RC floor slab under uniform lateral load and inverted triangle lateral load are bigger than that of non-considering the model of influence of RC floor slab about 7% and 4.5% respectively. The concrete-filled square tubular column to steel beam frame structure with reduced beam section has good seismic behavior.

参考文献/References:

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相似文献/References:

[1]徐 嫚,梁思雨,张力滨,等.方钢管混凝土柱-钢梁半刚性节点参数分析[J].建筑科学与工程学报,2017,34(04):72.
　XU Man,LIANG Si-yu,ZHANG Li-bin,et al.Parameter Analysis on Concrete-filled Square Steel Tubular Column-steel Beam Semi-rigid Connection[J].Journal of Architecture and Civil Engineering,2017,34(01):72.
[2]吴 波,王 辉,刘晓珠.内置高强角钢的方钢管混凝土柱偏压性能试验[J].建筑科学与工程学报,2021,38(02):16.[doi:10.19815/j.jace.2021.02023]
　WU Bo,WANG Hui,LIU Xiao-zhu.Experiment on Eccentric Compressive Behaviors of Square CFST Columns with Built-in High-strength Steel Angles[J].Journal of Architecture and Civil Engineering,2021,38(01):16.[doi:10.19815/j.jace.2021.02023]

备注/Memo

备注/Memo:

收稿日期:2008-12-09
基金项目:陕西省自然科学基础研究计划项目(2004E₂05)
作者简介:周天华(1963-),男,陕西西乡人,教授,博士研究生导师,工学博士,E-mail:zhouth163@163.com。

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更新日期/Last Update: 2009-03-20