空心圆钢管混凝土柱延性系数的研究
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摘要
主要研究了空心圆钢管混凝土柱的抗震延性性能,用有限元软件ABAQUS对空心圆钢管混凝土柱在低周反复荷载的下受力性能进行了模拟,并绘出它的P-Δ的骨架曲线,根据骨架曲线,提出延性系数计算模型,并利用简化模型对空心圆钢管混凝土柱的延性系数进行了研究,分别得出了轴压比、长细比、空心率、钢材强度、混凝土强度、含钢率对延性系数的影响。根据研究结果,可以得到空心圆钢管混凝土柱的延性的变化规律,这些规律,为以后的空心钢管混凝土柱的抗震设计提供了参考和依据。
This paper mainly studies the earthquake-resistance ductility performance of the hollow concrete-filled circular steel tubular column under low cyclical hysteretic load by using the nonlinear finite element software Abaqus.Then its P-Δ skeleton curves are obtained,based on which to propose the calculation model of ductility coefficient is proposed.Through the simplified model,the ductility coefficient of the hollow concrete-filled circular steel tubular column is studied. The influence of axial compression ratio,slenderness ratio,hollow ratio,steel strength,concrete strength and steel ratio on the ductility coefficient is presented,and the suggestion on the future earthquake-resistance design of the hollow concrete-filled circular steel tubular column is available for reference.
This paper mainly studies the earthquake-resistance ductility performance of the hollow concrete-filled circular steel tubular column under low cyclical hysteretic load by using the nonlinear finite element software Abaqus.Then its P-Δ skeleton curves are obtained,based on which to propose the calculation model of ductility coefficient is proposed.Through the simplified model,the ductility coefficient of the hollow concrete-filled circular steel tubular column is studied. The influence of axial compression ratio,slenderness ratio,hollow ratio,steel strength,concrete strength and steel ratio on the ductility coefficient is presented,and the suggestion on the future earthquake-resistance design of the hollow concrete-filled circular steel tubular column is available for reference.
引文
[1]钟善桐.钢管混凝土结构(第3版)[M].北京:清华大学出版社,2003.
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[3]Elremaily A,Azizinamini A.Behavior and Strength of CircularConcrete-Filled Tube Columns[J].Journal of Constructional SteelResearch,2002,58:1567~1591.
[4]钟善桐.钢管混凝土统一理论-研究与应用[M].北京:清华大学出版社,2006.
[5]屠永清.钢管混凝土压弯构件恢复力特性的研究[D].哈尔滨:哈尔滨建筑大学,1994.
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[7]韩林海.钢管混凝土结构-理论与实践[M].北京:科学出版社,2004.
[8]韩林海,杨有福.现代钢管混凝土结构技术[M].北京:中国建筑工业出版社,2004.12.
[9]季韬,林于东.钢纤维钢筋混凝土柱延性系数的研究[J].工业建筑,2001,32(4):27~28,63.
[10]蔡健,周靖,方小丹.钢筋混凝土框架抗震位移延性系数研究[J].工程抗震与加固改造,2005,27(3):2~6.
[11]卢方伟,李四平,孙国钧.方钢管混凝土轴压短柱的非线性有限元分析[J].工程力学,2007,24(3):110~114.
[12]Alexander Chajes.Principles of Structural Stability Theory[M].Department of Civil Engineering,University of Massachusetts.
[13]建筑抗震设计规范(GB 50011-2001)[S].北京:中国建筑工业出版社,2001.
[14]郭继武.建筑抗震设计(按新规范GB 50011-2001)[M].北京:中国建筑工业出版社,2002.
[2]Shams M,Saadeghvaziri M A.State of the Art of Concrete-FilledSteel Tubular Columns[J].ACI Structural Journal,1997,94(5):558~571.
[3]Elremaily A,Azizinamini A.Behavior and Strength of CircularConcrete-Filled Tube Columns[J].Journal of Constructional SteelResearch,2002,58:1567~1591.
[4]钟善桐.钢管混凝土统一理论-研究与应用[M].北京:清华大学出版社,2006.
[5]屠永清.钢管混凝土压弯构件恢复力特性的研究[D].哈尔滨:哈尔滨建筑大学,1994.
[6]韩林海,陶忠,阎维波.圆钢管混凝土压弯构件荷载-位移滞回性能分析[J].地震工程与工程振动,2001,21(1):64~73.
[7]韩林海.钢管混凝土结构-理论与实践[M].北京:科学出版社,2004.
[8]韩林海,杨有福.现代钢管混凝土结构技术[M].北京:中国建筑工业出版社,2004.12.
[9]季韬,林于东.钢纤维钢筋混凝土柱延性系数的研究[J].工业建筑,2001,32(4):27~28,63.
[10]蔡健,周靖,方小丹.钢筋混凝土框架抗震位移延性系数研究[J].工程抗震与加固改造,2005,27(3):2~6.
[11]卢方伟,李四平,孙国钧.方钢管混凝土轴压短柱的非线性有限元分析[J].工程力学,2007,24(3):110~114.
[12]Alexander Chajes.Principles of Structural Stability Theory[M].Department of Civil Engineering,University of Massachusetts.
[13]建筑抗震设计规范(GB 50011-2001)[S].北京:中国建筑工业出版社,2001.
[14]郭继武.建筑抗震设计(按新规范GB 50011-2001)[M].北京:中国建筑工业出版社,2002.
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