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武广铁路客运专线对路基沉降变形要求高,为准确、快速的提供监测数据指导施工,必须采用各种元器件进行沉降监测。沉降监测类型的选择应根据路基填筑高度、压缩层厚度、路基填料类型以及填筑原地面的坡度而定。介绍各种沉降监测元件的测试原理、测试方法,并比较几种方法的优缺点。同时对沉降监测技术进行总结,为武广铁路客运专线路基施工提供有效指导。
Wuhan-Guangzhou Passenger Dedicated Line of subgrade settlement of high deformation requirements, in order to accurately and quickly provide monitoring data to guide the construction, the use of various components must be used for settlement monitoring. The type of settlement monitoring should be based on subgrade fill height, compression layer thickness, subgrade fill type and the slope of the original ground. Describes the principle of various settlement monitoring components, test methods, and compare the advantages and disadvantages of several methods. At the same time, the settlement monitoring technology is summarized to provide effective guidance for the subgrade construction of Wu-Guang Railway Passenger Dedicated Line.