介绍了灌砂法在公路路基试验检测中的应用原理，论述了公路路基灌砂筒的选定与室内测试方法，并从公路路基量坑准备、路基测试基板的使用、路基含水量检测等方面总结了路基现场检测与操作注意事项，以提升灌砂法路基试验检测的质量。%Introduces the application principle for the sand cone method in the roadbed testing,indicates the methods for the selection of the sand cone and the indoor testing methods,sums up the precautions for the testing and operation of the roadbed site from the pit preparation for road-bed,adoption of test board in the roadbed tests,test of water content in roadbeds,so as to promote the testing quality for the sand cone method.
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