桩-土相互作用研究进展  

Advances in the Pile-Soil Interactions

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作  者:萧和 冯健雪 马秀如 张小勇 王林均[1,2] 黄宝涛 XIAO He;FENG Jianxue;MA Xiuru;ZHANG Xiaoyong;WANG Linjun;HUANG Baotao(School of Civil Engineering,Guizhou Minzu University,Guiyang 550025;Guizhou Engineering Research Center for Engineering Geological Hazards Prevention and Control,Guiyang 550025;Guangxi Communications Investment Group Co.Ltd.,Nanning 530021;College of Civil Engineering and Architecture,Guangxi University,Nanning 530004;School of Marine Engineering Equipment,Zhejiang Ocean University,Zhoushan 316000)

机构地区:[1]贵州民族大学建筑工程学院,贵阳550025 [2]贵州省工程地质灾害防治工程研究中心,贵阳550025 [3]广西交通投资集团有限公司,南宁产530021 [4]广西大学土木建筑工程学院,南宁530004 [5]浙江海洋大学海洋工程装备学院,浙江舟山316000

出  处:《土工基础》2024年第3期453-458,共6页Soil Engineering and Foundation

基  金:国家自然科学基金(No.52008124,No.52268054);中国博士后科学基金资助项目(No.2020M683210);黔科合基础(2019)1173。

摘  要:桩基础具有承载力高、沉降量小等特点,在工程建设中广泛应用。桩-土界面力学特性是影响桩基础承载力与沉降变形的关键因素。工程实践中非饱和土体广泛分布,桩基础的沉降预测与承载力预估往往与理论相差甚远,非饱和土与桩相互作用的理论研究滞后于工程实践。系统总结了桩-土界面相互作用、桩-土间荷载传递规律、复合地基固结理论等方面的研究现状,指出目前复合地基沉降变形中的桩-土相互作用研究中存在的主要问题,为相关研究提供参考。The pile foundation is widely used in the engineering construction because of its high axial capacity and the small set-tlement.The mechanical properties of the pile-soil interface are the key factors affecting the axial capacity and the settlement deformation of the pile foundation.In engineering practice,the unsaturated soil is widely distributed,and the settlement pre-diction and the axial capacity prediction of the pile foundation are often far from the theory.The theoretical research on the in-teraction between the unsaturated soil and the pile is far behind the engineering practice requirements.This paper summarizes the research on the mechanical properties and failure mechanism of the pile-soil interface,the pattern of the pile-soil load trans-fer and the consolidation theory of the soil around the pile foundation,to provide a reference for the relevant research.

关 键 词:桩基工程 非饱和土 桩-土相互作用 荷载传递 复合地基固结 

分 类 号:TU473[建筑科学—结构工程]

 

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