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路基不均匀沉降将直接影响到线路的使用效果。依据湿陷性黄土的工程特性,分析了湿陷性黄土的变形特征,对湿陷性黄土的湿陷系数进行了定量描述。结合具体工程实例,介绍了压力注浆的加固机理,达到了预期的效果,说明此加固方法的合理性,为同类路基病害治理提供了一定的参考价值。
Subgrade uneven subsidence will have a direct impact on the use of the line. According to the engineering characteristics of collapsible loess, the deformation characteristics of collapsible loess are analyzed, and the collapsibility coefficient of collapsible loess is quantitatively described. Combined with concrete engineering examples, the reinforcement mechanism of pressure grouting is introduced and the expected results are achieved. The rationality of this reinforcement method is proved, which provides some reference value for the treatment of similar roadbed diseases.