群桩基础桩周土位移场与承载效应系数
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摘要
群桩基础桩周土位移场与承载效应机理极其复杂,影响因素很多。分析桩周土位移场与承载效应主要特征,建立了求解位移场与承载效应的非线性问题有限元方法的基本格式,并对各种工况进行了数值模拟计算,基于不同工况下位移计算值分析得到群桩效应系数变化规律。
There are many factors affecting pile-soil interaction of the piles foundation.Characteristic of the interaction was studied to simplify three-dimensional problem to facilitate the modeling and computing.Various working conditions were simulated for further analysis.Computational analysis was provided for different loading combinations and mechanical characteristics,considering various patterns of pile soil displacement.
There are many factors affecting pile-soil interaction of the piles foundation.Characteristic of the interaction was studied to simplify three-dimensional problem to facilitate the modeling and computing.Various working conditions were simulated for further analysis.Computational analysis was provided for different loading combinations and mechanical characteristics,considering various patterns of pile soil displacement.
引文
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[4]SAGASETA C, WHITTLE A J.Prediction of ground movements due to pile-driving in clay[J].Journal of Geotechnical and Geoenvironmental Engineering,2001,127(1):55-66.
[5]高子坤,何俊,郭进军.桩-承台铰接的高承台桩位移及内力分布解析解[J].莆田学院学报,2009,16(5):68-71.
[6]吴江斌,王向军,王卫东.桩侧注浆与扩底抗拔桩的极限载荷试验研究[J].地下空间与工程学报,2018,14(1):182-191.
[7]李浩,宋园园,周军,等.深基坑桩锚支护结构受力与变形特性现场试验[J].地下空间与工程学报,2017,13(1):264-270.
[8]田跃平,高子坤.水流冲刷条件下群桩基础力学性质数值模拟[J].莆田学院学报,2013,20(2):81-84.
[9]王建,赵燕容.深厚覆盖层中大型结构基础沉降预测与控制研究[R].南京:河海大学地球科学与工程学院,2010:2-6.
[10]湖南大学《土木工程力学手册》编写组.土木工程力学手册[M].北京:人民交通出版社,1990:268-269.
[11]徐芝纶.弹性力学[M].北京:高等教育出版社,1984:274-278.
[2]高子坤,施建勇.岩土抗拉模量值修正与桩土作用理论解答研究[J].力学学报,2013,45(5):739-745.
[3]SAGASETA C.Analysis of undrained soil deformation due to ground loss[J].Geotechnique,1987,37(3):301-320.
[4]SAGASETA C, WHITTLE A J.Prediction of ground movements due to pile-driving in clay[J].Journal of Geotechnical and Geoenvironmental Engineering,2001,127(1):55-66.
[5]高子坤,何俊,郭进军.桩-承台铰接的高承台桩位移及内力分布解析解[J].莆田学院学报,2009,16(5):68-71.
[6]吴江斌,王向军,王卫东.桩侧注浆与扩底抗拔桩的极限载荷试验研究[J].地下空间与工程学报,2018,14(1):182-191.
[7]李浩,宋园园,周军,等.深基坑桩锚支护结构受力与变形特性现场试验[J].地下空间与工程学报,2017,13(1):264-270.
[8]田跃平,高子坤.水流冲刷条件下群桩基础力学性质数值模拟[J].莆田学院学报,2013,20(2):81-84.
[9]王建,赵燕容.深厚覆盖层中大型结构基础沉降预测与控制研究[R].南京:河海大学地球科学与工程学院,2010:2-6.
[10]湖南大学《土木工程力学手册》编写组.土木工程力学手册[M].北京:人民交通出版社,1990:268-269.
[11]徐芝纶.弹性力学[M].北京:高等教育出版社,1984:274-278.