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[1] Dai Guoliang, Tong Xiaodong, Huang Xianghai, Liang Shuting, et al. Application of laminated vierendeel trussin high-position transfer story structure [J]. Journal of Southeast University (English Edition), 2005, 21 (2): 184-190. [doi:10.3969/j.issn.1003-7985.2005.02.014]
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Application of laminated vierendeel trussin high-position transfer story structure()
迭层空腹桁架在高位转换层结构中的应用
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
21
Issue:
2005 2
Page:
184-190
Research Field:
Civil Engineering
Publishing date:
2005-06-30

Info

Title:
Application of laminated vierendeel trussin high-position transfer story structure
迭层空腹桁架在高位转换层结构中的应用
Author(s):
Dai Guoliang Tong Xiaodong Huang Xianghai Liang Shuting
College of Civil Engineering, Southeast University, Nanjing 210096, China
戴国亮 童小东 黄祥海 梁书亭
东南大学土木工程学院, 南京 210096
Keywords:
laminated vierendeel truss steel concrete transfer story structure prestressed concrete elastro-plasticity analysis
迭层空腹桁架 钢骨混凝土 转换层结构 预应力 弹塑性分析
PACS:
TU375
DOI:
10.3969/j.issn.1003-7985.2005.02.014
Abstract:
To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high-position transfer story structures.First the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived.Then combined with an actual engineering model(1〓 ∶8 similar ratio), the static loading and pseudo-dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete.Seismic behaviors are analyzed, including inter-story displacement, base shear-displacement skeleton curves, and equivalent viscosity-damping curves.A program is programmed to carry out the elasto-plastic dynamic analysis, and displacement time-history curves of the two models are derived.The test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors.It can solve the disadvantages of laminated vierendeel trusses used in transfer story structures.Finally, some design suggestions are put forward, which can be referenced by similar engineering.
为满足建筑物大空间和灵活隔断要求, 在高位转换层结构中采用迭层空腹桁架结构.首先分析了其受力性能, 得出了空腹桁架各构件合理的截面刚度以及布局形式.然后结合一实际工程, 进行了两榀迭层空腹桁架转换结构模型(1〓 ∶8相似比)的竖向荷载下静力试验以及拟动力试验.其中一榀为普通混凝土迭层空腹桁架, 另一榀配置了预应力和钢骨混凝土, 对比分析了两模型的层间位移比、骨架曲线以及等效粘质阻力系数等抗震性能的比较, 并进行了弹塑性动力分析.试验和分析结果表明, 配置预应力和型钢混凝土的迭层空腹桁架转换结构具有良好的抗震性能, 可以成功地解决迭层空腹桁架作为转换层结构所产生的弊端问题, 最后对这类转换层结构提出了相应的设计建议.

References:

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Memo

Memo:
Biography: Dai Guoliang(1975—), male, doctor, lecturer, daigl@seu.edu.cn.
Last Update: 2005-06-20