[1]张品乐,李青宁.空腹桁架式连体结构动力性能分析[J].世界地震工程,2010,(03):123-126.
 ZHANG Pinle,LI Qingning.Dynamic analysis of an open-web truss-connected structure[J].,2010,(03):123-126.
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空腹桁架式连体结构动力性能分析
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2010年03期
页码:
123-126
栏目:
出版日期:
2010-03-01

文章信息/Info

Title:
Dynamic analysis of an open-web truss-connected structure
作者:
张品乐1 李青宁1
西安建筑科技大学土木工程学院, 陕西 西安 710055
Author(s):
ZHANG Pinle1 LI Qingning1
School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
关键词:
高层建筑连体结构型钢混凝土动力分析方案优化
Keywords:
tall buildingconnected structuresteel-reinforced concretedynamic analysisscheme optimization
分类号:
TU208.3;P315.96
摘要:
为找出适合于大跨高层连体建筑的连接体型式,采用静力和地震反应谱分析法对一实际工程采用普通空腹桁架,混合空腹桁架、托梁及吊梁这4种方案进行了计算分析。结果表明:和普通空腹桁架方案相比,混合空腹桁架方案能明显减小端部上、下弦杆的弯矩和剪力峰值及调整结构刚度。与托梁及吊梁方案比较,混合空腹桁架方案的楼层刚度、质量分布比较均匀,具有良好的抗震性能、延性和整体性,支撑处结构的应力集中现象得到明显改善。因此建议在大跨高层连体建筑中,连接体选型采用混合空腹桁架为宜。
Abstract:
To find the best type of connecting bodies for a tall long span connected building,static and seismic methods are used to analyze a practical building,which adopts the common open-web truss,the mixed open-web truss,the lower transfer girder and the upper suspension beam respectively.In contrast to the common open-web truss scheme,the mixed open-web truss structure can obviously reduce the maximum moment and shear of the brace,and adjust the stiffness of the structure.In contrast to the upper suspension beam and the lower transfer beam girder schemes,the mixed open-web truss structure has better seismic performance,ductility and integrity,furthermore its mass distribution and floor stiffness are very even,the stress concentration is not obvious.It is suggested to use the mixed open-web truss in the selection of the connecting body of the tall long span connected building.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2009-5-5;改回日期:2009-11-2。
基金项目:国家自然科学基金项目(10572107)
作者简介:张品乐(1975- ),男,博士研究生,主要从事土木工程结构分析及抗震研究.E-mail:zhangpinlezhang@163.com
通讯作者:李青宁(1952- ),男,教授,博士生导师,主要从事土木工程结构分析及抗震研究.E-mail:lqn419@126.com
更新日期/Last Update: 1900-01-01