准池铁路黄土路堑边坡病害分析及整治研究

结合准池铁路DK60+050～+130路堑边坡单侧发生的局部坍塌病害，根据现场调查、地形特征与水文地质资料，探究黄土边坡病害产生的机制以及诱发因素；利用有限元强度折减法对边坡稳定性进行分析，计算比较整治前后边坡稳定安全系数及剪切应变。经过两年半运营期，验证了边坡卸载减重、增设重力式挡土墙以及完善排水系统等综合措施控制了路堑边坡变形，取得了良好的整治效果。

Disease Analysis and Treatment Measures of Loess Cutting Slope along Zhunchi Railway

In relation to the local collapse disease on the single side of cutting slope along the Section DK60+050~+130 of Zhunchi Railway, the mechanism forming and the factors inducing disease at loess slope were discussed according to the field investigation, topographical features and hydrogeological data, and then by means of finite element strength reduction, the slope stability was analyzed, as well as the safety coefficient and the shearing strain thereof before and after the treatment were calculated and compared. After two and a half years operation, it was proved that the comprehensive measures, such as slope uploading and weight reduction, gravity retaining wall and perfect drainage system, may control the deformation of cutting slope and get good result of treatment.