全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

软土运动作用下被动桩桩-土水平相互作用的三维有限元分析

, PP. 18-24

Keywords: 道路工程,被动桩,三维有限元分析,桩-土相互作用,侧向压力

Full-Text   Cite this paper   Add to My Lib

Abstract:

?运用ANSYS软件对软土运动作用下的桩-土相互作用的桩基础进行三维有限元分析,以DP材料来模拟土体的弹塑性性质,并考虑其大变形的影响,在桩-土间设置接触单元研究桩-土的相互作用,分析了软土层厚度和基桩数目对桩上侧向压力的影响,并比较了群桩中各桩基上侧向压力分布情况。结果表明:软土在局部堆载作用下产生了较大水平变形,桩上的侧向压力也较大;由于群桩中的“遮挡”和土拱效应,各基桩受到的侧向压力荷载并不相同,在被动桩的设计中应考虑这些因素的影响。

References

[1]  赵明华, 肖 燕, 陈昌富, 等.考虑土体蠕变特性的桥台软基变形分析[J].中国公路学报, 2006, 19(2):56-61.
[2]  刘萌成, 黄晓明, 陶向华.桥台后高填方路堤工后沉降影响因素分析[J].交通运输工程学报, 2005, 5(3):36-40.
[3]  岳鹏飞, 申爱琴, 祁秀林.桥台背路基沉降理论计算[J].长安大学学报:自然科学版, 2006, 26(5):30-34.
[4]  STEWART D P, JEWELL R J, RANDOLPH M F.Design of Piled Bridge Abutments on Soft Clay for Loading from Lateral Soil Movements[J].Geotechnique, 1994, 44(2):277-296.
[5]  ELLIS E A, SPRINGMAN S M.Modelling of Soil-structure Interaction for a Piled Bridge Abutment in Plane Strain FEM Analyses[J].Computers and Geotechnics, 2001, 28(2):79-98.
[6]  BRANSBY M F, SPRINGMAN S M.3-D Finite Element Modeling of Pile Groups Adjacent to Surcharge Loads[J].Computers and Geotechnics, 1996, 19(4):301-324.
[7]  LI Zhong-cheng, YANG Min.Soil Arching Effect on Passive Piles and 3-D Numerical Analysis[J].China Civil Engineering Journal, 2006, 39(3):114-117.
[8]  栾茂田, 韩丽娟, 年廷凯, 等.被动桩-土相互作用的简化分析[J].防灾减灾工程学报, 2004, 24(4):370-374.
[9]  杨 敏, 朱碧堂.堆载地基与邻近桩基的相互作用分析[J].水文地质工程地质, 2002(3):1-5.
[10]  RANDOLPH M F, HOULSBY G T.The Limiting Pressure on a Circular Pile Loaded Laterally in Co-hesive Soil[J].Geotechnique, 1984, 34(4):613-623.
[11]  ZHANG Jian-xun, CHEN Fu-quan, JIAN Hong-yu.Numerical Analysis of Soil Arching Effects in Passive Piles[J].Rock and Soil Mechanics, 2004, 25(2):174-178.
[12]  SHEN Zhu-jiang.Limited Design of Stabilizing Piles and the Resisting Sliding Force[J].Chinese Journal of Geotechnical Engineering, 1992, 14(1):51-56.
[13]  ZHAO Ming-hua, XIAO Yan, CHEN Chang-fu.Ana-lysis of Deformation on Soft Subsoil Around Bridge Abutment Considering Soil Creep Property[J].China Journal of Highway and Transport, 2006, 19(2):56-61.
[14]  LIU Meng-cheng, HUANG Xiao-ming, TAO Xiang-hua.Influence Factors on Post-construction Settlement of High Backfills Adjacent to Abutment[J].Journal of Traffic and Transportation Engineering, 2005, 5(3):36-40.
[15]  YUE Peng-fei, SHEN Ai-qin, QI Xiu-lin.Calculating Theory of Settlement of Bridge Approach Embankment[J].Journal of Changan University:Natural Science Edition, 2006, 26(5):30-34.
[16]  STEWART D P, JEWELL R J, RANDOLPH M F.Numerical Modelling of Piled Bridge Abutments on Soft Ground[J].Computers and Geotechnics, 1993, 15(1):21-46.
[17]  BRANSBY M F, SPRINGMAN S M.Selection of Load-transfer Functions for Passive Lateral Loading of Pile Groups[J].Computers and Geotechnics, 1999, 24(3):155-184.
[18]  李忠诚, 杨 敏.被动受荷桩成拱效应及三维数值分析[J].土木工程学报, 2006, 39(3):114-117.
[19]  MARTIN G R, CHEN C Y.Response of Piles Due to Lateral Slope Movement[J].Computers and Structures, 2005, 83(8/9):588-598.
[20]  LUAN Mao-tian, HAN Li-juan, NIAN Ting-kai, et al.A Simplified Analysis of Interaction of Soils and Pile in Passive State[J].Journal of Disaster Prevention and Mitigation Engineering, 2004, 24(4):370-374.
[21]  YANG Min, ZHU Bi-tang.On the Interaction Between Adjacent Pile and Soil Subjected to Surcharge Loads[J].Hydrogeology and Engineering Geology, 2002(3):1-5.
[22]  张建勋, 陈福全, 简洪钰.被动桩中土拱效应问题的数值分析[J].岩土力学, 2004, 25(2):174-178.
[23]  沈珠江.桩的抗滑力和抗滑桩的极限设计[J].岩土工程学报, 1992, 14(1):51-56.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133