某加筋土挡墙路基病害成因及变形机理分析  

Analysis on Causes and Deformation Mechanism of Embankment Disease of a Reinforced Soil Retaining Wall

作　　者：刘树林[1,2] 王伟 刘军辉[3] LIU Shulin;WANG Wei;LIU Junhui(CCCC First Highway Consultants Co.,Ltd.,Xi'an 710065,China;Xi'an China Highway Geotechnical Engineering Co.,Ltd.,Xi'an 710065,China;Hubei Nuclear Industry Engineering Survey Institute Co.,Ltd.,Xiaogan 432003,Hubei,China)

机构地区：[1]中交第一公路勘察设计研究院有限公司,西安710065 [2]西安中交公路岩土工程有限责任公司,西安710065 [3]湖北核工业勘察设计院,湖北孝感432003

出　　处：《路基工程》2022年第6期208-213,共6页Subgrade Engineering

摘　　要：针对某加筋土挡墙路基病害,开展工程地质调绘、地质钻探、原位测试、室内土工试验及筋带检测试验等,研究病害成因和变形特征,分析加筋土挡墙的变形机理;通过外观、筋带强度、路基湿陷性和稳定性等方面的评价,为该段加筋土挡墙的整治提供充分的依据。Aimming at the subgrade disease of a reinforced soil retaining wall,the engineering geological mapping,geological drilling,in-situ testing,indoor geotechnical testing and reinforced strip testing were carried out.The damage causes and deformation characteristics are studied,and the deformation mechanism of the reinforced soil retaining wall is analyzed.Through the evaluation from the aspects of appearance,strength of reinforcement band,collapsibility and stability of the subgrade,it provides sufficient basis for the renovation of the reinforced soil retaining wall section.

关 键 词：加筋土挡墙 病害 变形机理 填土含水率 压实度 筋带-土作用 稳定性评价 

分 类 号：U417.115[交通运输工程—道路与铁道工程]