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基于带刚臂分层梁单元法的混凝土结构材料非线性分析

, PP. 53-59

Keywords: 桥梁工程,混凝土结构,分层梁单元,材料非线性

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Abstract:

?为了模拟裂缝宏观发展规律,兼顾计算精度与效率的平衡,基于Euler-Bernoulli分层梁单元基本理论,并以材料塑性理论和数值方法为基础,着力于非线性不平衡力的精细计算,提出了带刚臂的分层梁单元法,消除了由于中性轴移动带来的计算误差。在此基础上编制了非线性计算程序,进行了2组钢筋混凝土梁破坏全过程的算例分析,以及预应力混凝土梁带裂缝工作阶段试验数据对比。研究结果表明:该方法能准确反映不同轴力下混凝土梁的材料非线性性能。

References

[1]  WONGKAEW K,CHEN W F.Consideration of Out-of-plane Buckling in Advanced Analysis for Planar Steel Frame Design[J].Journal of Constructional Steel Research,2002,58(5):943-965.
[2]  KIM S E,LEE J.Improved Refined Plastic-hinge An-alysis Accounting for Lateral Torsional Buckling[J].Journal of Constructional Steel Research,2002,58(11):1431-1453.
[3]  HINTON E,OWEN D R.Finite Element Software for Plates and Shells[M].Swansea:Pineridge Press Ltd,1984.
[4]  潘家英,张国政,程庆国.大跨度桥梁极限承载力的几何与材料非线性耦合分析[J].土木工程学报,2000,33(1):5-8. PAN Jia-ying,ZHANG Guo-zheng,CHENG Qing-guo.Geometrical and Material Nonlinear Analysis for Determining Ultimate Load Capacity of Long-span Bridges[J].China Civil Engineering Journal,2000,33(1):5-8.
[5]  杨建民,吕志涛.部分预应力混凝土框架结构的非线性分析[J].工程力学,1992,9(3):107-116. YANG Jian-min,LU Zhi-tao.Nonlinear Analysis for PPC Frames[J].Engineering Mechanics,1992,9(3):107-116.
[6]  楼铁炯,郭乙木,王振林. 双筋工形预应力混凝土梁截面的非线性分析[J].土木工程学报,2004,37(7):47-50. LOU Tie-jiong,GUO Yi-mu,WANG Zhen-lin.Nonlinear Analysis on Section with I-shape of Double-reinforcement Prestressed Concrete Beam[J].China Civil Engineering Journal,2004,37(7):47-50.
[7]  朱伯龙,董振祥.钢筋混凝土非线性分析[M].上海:同济大学出版社,1985. ZHU Bo-long,DONG Zhen-xiang.Nonlinear Analysis of Reinforced Concrete[M].Shanghai:Tongji University Press,1985.
[8]  赵振铭,陈宝春.杆系与箱型梁桥结构分析及程序设计[M].广州:华南理工大学出版社,1997. ZHAO Zhen-ming,CHEN Bao-chun.Analysis of Pole System and Box Girder Bridge Structure and Program Designing[M].Guangzhou:South China University of Technology Press,1997.
[9]  李传习,李德慧,刘光栋.考虑材料非线性时钢筋混凝土平面梁单元刚度的计算方法[J].长沙理工大学学报:自然科学版,2004,1(1):34-38. LI Chuan-xi,LI De-hui,LIU Guang-dong.Rigidity Analysis of Reinforced Concrete Plane Beam Element in Nonlinear Material Model[J].Journal of Changsha University of Science and Technology:Natural Science,2004,1(1):34-38.
[10]  YEN J Y R.Quasi-Newton Methods for Reinforced-concrete Column Analysis and Design[J].Journal of Structural Engineering,1991,117(3):657-666.
[11]  周基岳,刘南科.钢筋混凝土框架非线性分析中的截面弯矩-曲率关系[J].重庆建筑工程学院学报,1984(2):20-35. ZHOU Ji-yue,LIU Nan-ke.Moment-curvature of PC Frames for Nonlinear Analysis[J].Journal of Chongqing Institute of Architecture and Engineering,1984(2):20-35.
[12]  沈聚敏,翁义军.钢筋混凝土构件的变形和延性[J].建筑结构学报,1980(2):47-58. SHEN Ju-min,WENG Yi-jun.The Deformation and Ductility of the Reinforced Concrete Members[J].Journal of Building Structures,1980(2):47-58.
[13]  叶海青.钢筋砼梁非线性平面有限元分析[J].五邑大学学报:自然科学版,1993,7(3):19-29. YE Hai-qing.The 2-D Finite Element Nonlinear Analysis for R.C Beams[J].Journal of Wuyi University,1993,7(3):19-29.
[14]  ZOU Yin-sheng.Complete Analysis of Reinforced Concrete Members with Flexure and Axial Force Us-ing Energy Principle[J].Journal of Hunan University,1986,13(1):1-16.

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