现浇空心楼盖板柱增强节点抗震性能数值模拟分析
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- 英文论文题名：Numericalstudies on the seismic behavior of cast-in-situ hollow floor slab-column strengthened connections
- 论文作者：庞瑞 ; 刘瑞 ; 倪红梅 ; 党隆基 ; 王玉兰
- 英文论文作者：Pang Rui ; Liu Rui ; Ni Hongmei ; Dang Longji ; School of Civil Engineering and Architecture ; Henan University of Technology ; Jiao Ke engineering investigations Ltd. of Henan ; School of Civil Engineering ; Henan University of Urban Construction
- 年：2016
- 作者机构：河南工业大学土木建筑学院;上海建科院上海市工程结构安全重点实验室;河南基奥科工程勘察有限公司;河南城建学院土木与交通工程学院;
- 论文关键词：现浇空心楼盖 ; 板柱节点 ; 抗冲切元件 ; 抗震性能 ; 数值模拟
- 英文论文关键词：cast-in-situ hollow floors ; slab-column structure joints ; punching component ; seismic behavior ; numerical simulation
- 会议召开时间：2016-10-27
- 会议录名称：第九届全国防震减灾工程学术研讨会论文集
- 语种：中文
- 分类号：TU352.11
- 学会代码：OGTY
- 会议名称：第九届全国防震减灾工程学术研讨会
- 会议地点：中国安徽合肥
- 主办单位：中国土木工程学会、中国工程院土木、水利与建筑工程学部、中国土木工程学会防震减灾工程技术推广委员会、合肥工业大学、安徽省住房和城乡建设厅
- 学会名称：中国土木工程学会
- 页数：8
- 文件大小：709k
- 原文格式：O
- 会议级别：全国
摘要
以3个现浇空心楼盖板柱增强节点抗震性能试验研究为基础,以通用有限元程序ABAQUS为平台,在试验研究基础上,验证模型的可靠性,进而以弯起钢筋配筋和型钢剪力架臂长为控制参数,通过对骨架曲线、刚度退化的对比分析,研究现浇空心楼盖板柱增强节点的抗震性能。研究结果表明:通过与试验数据对比分析,有限元模拟是可行的;3个试件均经历了开裂阶段、屈服阶段和破坏阶段,均表现为具有较好延性的弯曲破坏,节点区添加抗冲切元件,试件破坏面外移;弯起钢筋不能明显改善现浇空心楼盖板柱增强节点的抗震性能,型钢剪力架臂长对现浇空心楼盖板柱增强节点的抗震性能影响比较明显;试件顺布管方向节点均比垂直布管方向节点抗震性能好。研究成果可为现浇空心楼盖板柱结构的工程应用提供参考和依据。
Based on three studies of seismic behavior on slab-column structure joints of threecast-in-situ hollow floors;using the general finite element program ABAQUS as platform,validate the reliability of modelsjthen taking the amount of bent up bar,the arm length of section steel frameas control parametersj by comparing skeleton curve,stiffness degradation,the seismic behavior slab-column structure jointsare studied.The study results of indicates that by comparison with the experimental data,finite element simulation is reliablejall the three specimens experienced cracking stage,yield stage and failure stage,the bending failure showing better ductility,when section steel frame is embedded in the slab-column structure joints the failure place extended outward;the-bent-up bars can't improve the seismic behaviorsthe arm length of section steel frame has much influence on the seismic behavior a;the seismic behavior along the tube layout direction is better than the perpendicular direction of 7 specimens.The research results can provide reference and basis for engineering applications cast-in-situ hollow floor cover column structure.
Based on three studies of seismic behavior on slab-column structure joints of threecast-in-situ hollow floors;using the general finite element program ABAQUS as platform,validate the reliability of modelsjthen taking the amount of bent up bar,the arm length of section steel frameas control parametersj by comparing skeleton curve,stiffness degradation,the seismic behavior slab-column structure jointsare studied.The study results of indicates that by comparison with the experimental data,finite element simulation is reliablejall the three specimens experienced cracking stage,yield stage and failure stage,the bending failure showing better ductility,when section steel frame is embedded in the slab-column structure joints the failure place extended outward;the-bent-up bars can't improve the seismic behaviorsthe arm length of section steel frame has much influence on the seismic behavior a;the seismic behavior along the tube layout direction is better than the perpendicular direction of 7 specimens.The research results can provide reference and basis for engineering applications cast-in-situ hollow floor cover column structure.
引文
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[2]Gerd Birkle,Walter H.Dilger.Influence of Slab ThickNess on Punching Shear Strength[J].ACI Structural Journal,2008,105(2):180-187.
[3]康婧.配有锚栓的钢筋混凝土板柱节点抗震性能研究[D].上海:同济大学,2008.
[4]刘杰.空心板柱结构低周反复荷载试验研究[D].南京:东南大学,2013.
[5]Menetrey P.Relationship between flexural and punching failure[J].ACI Structural Journal 1998,95(4):412-419.
[6]许清风,蒋永生.板柱节点的破坏形式及改进方法[J].建筑科学,1999,15(6):21-24.
[7]舒兆发.板柱结构的中柱节点传递剪力和不平衡弯矩的冲切承载力[J].湖南大学学报,2003,30(5):36-41.
[8]段洪涛.钢筋混凝土板柱节点抗震性能的试验研究[D].重庆:重庆大学,2004.
[9]Mark Ritchie Amin Ghali.Unbalanced Moment Resistance by Shear in Slab-Column Connections:Experimental Assessment[J].ACI Structural.
[10]Thomas H-K.Kang,John W.Wallace.Seismic Performance of Reinforced Concrete Slab-Column Connections with Thin Plate Stirrups[J].ACI Structural Journal,2008,105(5):617-625.
[11]《混凝土结构设计规范》(GB50010-2010)[S].中国建筑工业出版社,2010.
[12]《框架-板柱组合结构体系技术规程》(苏JG/T020-2006).江苏省工程建设标准站.
[13]《无黏结预应力混凝土结构技术规》(JGJ92-2004)[S].中国建筑工业出版社.2004.
[14]《建筑抗震试验方法规程》(JGJ101-96)[S].中国建筑工业出版社.1997.
[15]曲哲,叶列平.基于有效累积滞回耗能的钢筋混凝土构件承载力退化模型[J].工程力学,2011,28(6):48-51.