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结合工程实例,首先分析岩质斜坡上高填方路基失稳的基本类型,利用传统的稳定性计算方法确定填料及填料与斜坡地表接触带的抗剪强度参数;路基修筑完成后,在路基边坡埋设深层水平位移测试仪器对路基进行监测。根据测试结果,分析路基的变形情况,评价其稳定性。结果表明:采用传统稳定性计算法确定填料的抗剪强度参数能保证填方路基的稳定;路基边坡的深层水平位移监测可对其分析评价。
Combined with engineering examples, the basic types of high embankment failure on rocky slope are analyzed first, and the shear strength parameters of the contact zone between the filler and filler and the slope surface are determined by the traditional method of stability calculation. After the subgrade construction is completed, Slope buried deep horizontal displacement test equipment to monitor subgrade. According to the test results, the deformation of subgrade is analyzed and its stability is evaluated. The results show that the determination of the shear strength parameters of the packing by the traditional stability calculation method can ensure the stability of the embankment. The deep horizontal displacement monitoring of the subgrade slope can be analyzed and appraised.