新型配螺旋箍筋装配式SRC柱偏压性能研究  

Research on the bias behavior of a new fabricated SRC column with spiral stirrup

作　　者：刘坚[1,4] 曹占彬 唐孟雄 陈原 戚玉亮[2,3] 任达 张世豪 童华炜[1] LIU Jian;CAO Zhanbin;TANG Mengxiong;CHEN Yuan;QI Yuliang;REN Da;ZHANG Shihao;TONG Huawei(College of Civil Engineering,Guangzhou University,Guangzhou 510006,China;Guangzhou Construction Co.,Ltd.,Guangzhou 510006,China;Guangzhou Construction Industry Research Institute Co.,Ltd.,Guangzhou 510006,China;Guangdong Engineering Technology Research Center for Complex Steel Structures,Guangzhou 510006,China)

机构地区：[1]广州大学土木工程学院,广东广州510006 [2]广州建筑股份有限公司,广东广州510006 [3]广州建筑产业研究院有限公司,广东广州510006 [4]广东省复杂钢结构工程技术研究中心,广东广州510006

出　　处：《混凝土》2022年第1期33-36,共4页Concrete

基　　金：国家自然科学基金项目(51678168);国家自然科学基金项目(51678171);广东省应用型科技研发重大专项资金项目(2015B020238014);广建装配式建筑成套技术研究(19C00001)-装配式型钢混凝土新型组合结构体系成套技术体系研发(19C00001-2);广东省自然科学基金项目(2017A030313267);广州市科技计划项目(201607010107);广州市建筑集团有限公司科技计划项目资助(2019-KJ019,2019-KJ033)。

摘　　要：提出了1种新型的配螺旋箍筋的装配式型钢混凝土柱,为研究其在偏心受压荷载下的受力性能,以型钢型号,相对偏心距为参数设计了6根配螺旋箍筋的试件,1根配普通箍筋的试件以及1根现浇型钢混凝土试件作为对比,进行非线性仿真分析。结果表明:随着相对偏心距的增大,装配式螺旋箍筋柱的正截面极限承载逐渐减小,但相对于普通型钢混凝土柱更高,其破坏形式基本都为混凝土受压区压碎脱离,同时当型钢含钢率较低时,构件的承载力会由于型钢的全截面屈服而明显降低,构件承载力未能得到充分利用,因此应该限制螺旋箍筋柱的最小含钢率。A new type of fabricated steel reinforced concrete column with spiral stirrups was put forward for the study of the mechanical properties under eccentric compression load,with steel type,relative eccentricity parameter design for six spiral stirrups specimen,one root with ordinary stirrup specimen and one root cast-in-situ steel reinforced concrete specimens for comparison,nonlinear simulation analysis.Results show that with the increase of relative eccentricity,of ultimate bearing capacity prefabricated spiral stirrups column decreases,but compared with the ordinary steel reinforced concrete column,the higher its damage form is basic for compressive zone of concrete crushed out,at the same time when steel containing steel ratio is low,the bearing capacity of the component will be significantly lower due to the total cross-section yield of steel,failed to make full use of capacity,therefore should limit spiral stirrups column contains the minimum steel ratio.

关 键 词：装配式 型钢混凝土偏压柱 螺旋箍筋 力学性能 

分 类 号：TU528.01[建筑科学—建筑技术科学]