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弹塑性地基梁在ABAQUS中的开发与应用

, PP. 18-23

Keywords: 道路工程,弹塑性地基梁,ABAQUS,基床系数,单元子程序

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Abstract:

在Winker弹性地基梁的理论上,考虑地基土体的弹塑性性质、地基弹簧受拉脱开、多结点曲形地基梁单元,在ABAQUS二次开发平台UEL上开发了弹塑性地基梁的单元子程序。以实际P-s曲线出发,导出地基土体的一维弹塑性本构关系,用于计算弹塑性地基梁的基床系数。通过算例验证,对比解析解与数值解,验证了所编制单元子程序的正确性。结合具体的工程实例,分别选用土体基床系数为线弹性和弹塑性。结果表明在考虑地基土为弹塑性时,其内力值明显大于地基土为线弹性时的内力。采用弹塑性地基梁理论进行地下结构设计,具有重要的工程意义。

References

[1]  周峰,宰金岷,梅国雄. 非线性广义文克尔模型探讨
[2]  [J]. 岩土力学,2009,30 (6): 1627-1630.ZHOU Feng,ZAI Jinmin,MEI Guoxiong. Discussion on Nonlinear Generalized Winkler Model
[3]  [J]. Rock and Soil Mechanics,2009,30 (6): 1627-1630.
[4]  崔奕,姜忻良,鲍鹏. 变基床系数弹性地基梁解法及其应用
[5]  [J]. 岩土力学,2003,24 (4): 565-568.CUI Yi,JIANG Xinliang,BAO Peng. Computing Method of Elastic Foundation Beam with Variable Bedding Value and Its Application
[6]  [J]. Rock and Soil Mechanics,2003,24 (4): 565-568.
[7]  杨钊. 盾构输水隧洞衬砌结构计算模型研究
[8]  [D]. 上海: 同济大学,2010.YANG Zhao. The Research of Lining Structure Calculation Model on Shield Tunnel for Water Conveyance
[9]  [D].Shanghai: Tongji University,2010.
[10]  冯紫良. 杆系结构的计算机分析
[11]  [M]. 上海: 同济大学出版社,1991.FENG Ziliang. The Analysis of Skeletal Structures by Finite Element Method
[12]  [M]. Shanghai: Tongji University Press,1991.
[13]  殷有泉. 固体力学非线性有限元引论
[14]  朱伯芳. 有限单元法原理与应用
[15]  VESIC A B. Bending of Beams Resting on Isotropic Elastic Solids
[16]  [J]. Journal Engineering Mechanics Division,ASCE,1961,87 (2): 35-53.
[17]  郑建军,周欣竹. 无拉力Winkkler 地基梁静力分析的积分方程法
[18]  [J]. 水利学报,1993 (11): 84-88.ZHENG Jianjun,ZHOU Xinzhu. Integral Equation Method on Static Analysis of No Tension Foundation Beam
[19]  [J].Journal of Hydraulic Engineering,1993 (11): 84-88.
[20]  胡坚,李永盛. 弹性地基梁上的非线性分析
[21]  [J]. 土工基础,1999,13 (4): 21-24.HU Jian,LI Yongsheng. Nonlinear Analysis of Beams on Elastic Foundation
[22]  [J]. Soil Engineering and Foundation,1999,13 (4): 21-24.
[23]  [M]. 北京:清华大学出版社,1998.YING Youquan. The Nonlinear Finite Element Method of Solid Mechanics
[24]  [M].Beijing: Tsinghua University Press,1998.
[25]  杨钊,潘晓明,余俊. 盾构输水隧洞复合衬砌计算模型
[26]  [J]. 中南大学学报,2010,41 (5): 1945 -1952.YANG Zhao,PAN Xiaoming,YU Jun. Calculation Model on Double Linings of Water Diversion Shield Tunnel
[27]  [J].Journal of Central South University,2010,41 (5): 1945-1952.
[28]  Hibbit, Karlsson & Sorenson, Inc. ABAQUS User's Manual
[29]  [M]. Pawtucket,RI,USA: Hibbit,Karlsson &Sorenson,Inc,2000.
[30]  [M]. 北京: 中国水利水电出版社,2004.ZHU Bofang. The Finite Element Method Theory and Application
[31]  [M]. Beijing: China Water Power Press,2004.

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