嵌岩和摩擦端承超长桩有限元分析

TU473.1; 结合工程实际,对超长嵌岩桩和摩擦端承桩进行了有限元建模分析,桩采用弹性本构关系,土体采用摩尔库伦弹塑性本构关系,得到桩的Q-s曲线.重点分析了桩身的轴力和桩侧阻力的分布情况,研究了桩和土体的接触摩擦属性对超长嵌岩桩和摩擦端承桩受力性能的影响.分析结果表明,桩的长径比为75时,桩和土体之间无论有无滑移,桩侧阻力均呈三角形分布,桩和土体的接触摩擦属性主要影响桩侧阻力三角形分布的峰值大小和位置....

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Published in浙江电力 Vol. 39; no. 2; pp. 63 - 70
Main Authors 周兴扬, 朱云祥, 施首健
Format Journal Article
LanguageChinese
Published 国网浙江电力有限公司,杭州,310007%国网浙江电力有限公司金华供电公司,浙江 金华,321017 2020
Subjects
摩擦端承桩
超长桩
嵌岩桩
桩侧阻力
Online AccessGet full text
ISSN1007-1881
DOI10.19585/j.zjdl.202002010

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Abstract TU473.1; 结合工程实际,对超长嵌岩桩和摩擦端承桩进行了有限元建模分析,桩采用弹性本构关系,土体采用摩尔库伦弹塑性本构关系,得到桩的Q-s曲线.重点分析了桩身的轴力和桩侧阻力的分布情况,研究了桩和土体的接触摩擦属性对超长嵌岩桩和摩擦端承桩受力性能的影响.分析结果表明,桩的长径比为75时,桩和土体之间无论有无滑移,桩侧阻力均呈三角形分布,桩和土体的接触摩擦属性主要影响桩侧阻力三角形分布的峰值大小和位置.
AbstractList TU473.1; 结合工程实际,对超长嵌岩桩和摩擦端承桩进行了有限元建模分析,桩采用弹性本构关系,土体采用摩尔库伦弹塑性本构关系,得到桩的Q-s曲线.重点分析了桩身的轴力和桩侧阻力的分布情况,研究了桩和土体的接触摩擦属性对超长嵌岩桩和摩擦端承桩受力性能的影响.分析结果表明,桩的长径比为75时,桩和土体之间无论有无滑移,桩侧阻力均呈三角形分布,桩和土体的接触摩擦属性主要影响桩侧阻力三角形分布的峰值大小和位置.
Author 朱云祥
施首健
周兴扬
AuthorAffiliation 国网浙江电力有限公司,杭州,310007%国网浙江电力有限公司金华供电公司,浙江 金华,321017
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Author_FL ZHOU Xingyang
ZHU Y unxiang
SHI Shoujian
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Keywords 摩擦端承桩
超长桩
嵌岩桩
桩侧阻力
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Title 嵌岩和摩擦端承超长桩有限元分析
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