建筑结构

2011, v.41;No.335(11) 53-56+15

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某工程复杂截面型钢混凝土巨型柱压弯性能试验
Experimental study on seismic behavior of complexity SRC compression-bending members

杜义欣;田春雨;肖从真;徐培福;林祥;
Du Yixin,Tian Chunyu,Xiao Congzhen,Xu Peifu,Lin Xiang(CABR Technology Co.,Ltd.,China Academy of Building Research,Beijing 100013,China)

摘要(Abstract):

某高层建筑结构中采用复杂型钢混凝土巨型柱作为主要竖向构件,巨型柱的截面复杂,型钢含钢量高,布置不规则。通过模型的压弯试验,全面研究了构件的破坏特征、承载力、滞回性能和延性,并对比研究了型钢分散配置与连接布置的影响。研究表明,巨型柱在压弯状态下受力变形基本满足平截面假定,型钢之间可靠的连接能提高构件的延性,设计时应充分保证各部分型钢之间的连接性能。
Complexity steel reinforced concrete columns are used as the main vertical members in a tall building.The sections of mega-columns are complexity.The columns have high steel ratio and irregular distribution.The failure characteristic,bearing capacity,hysteretic performance and ductility were studied by the experiment.The distribution and the connection of the steel members in the concrete columns were also contrasted in the experiment.The research draws some useful conclusions.The members satisfy the plane hypothesis.The effective connections between the steel members can increase the ductility of the columns.The engineers must pay much attention to the connections between the steel members in the steel concrete columns.

关键词(KeyWords): 型钢混凝土;巨型柱;滞回性能;延性
steel reinforced concrete;mega-column;hysteretic performance;ductility

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 杜义欣;田春雨;肖从真;徐培福;林祥;
Du Yixin,Tian Chunyu,Xiao Congzhen,Xu Peifu,Lin Xiang(CABR Technology Co.,Ltd.,China Academy of Building Research,Beijing 100013,China)

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DOI: 10.19701/j.jzjg.2011.11.011

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