基于速凝水泥砂浆的大秦线轨枕切槽修复技术

On maintenance technique for sleeper grooving along Datong-Qinhuangdao Railway based on fast hardening cement mortar

分析了大秦线轨枕切槽病害的成因及危害,结合速凝水泥砂浆的优异特性,从准备工作、清理承轨槽、涂抹界面剂、浇筑拌好砂浆并磨平等方面,介绍了切槽修复技术作业步骤,并阐述了其注意事项及取得的效果。

The paper analyzes the reasons for the disease of soft sleeper grooving along Datong-Qinhuangdao Railway and its hazards,introduces the steps for the maintenance technique from the preparation,cleansing of sleeper grooving,adhesion agent,and grouting with mortar and rubdown,and illustrates its precautions and achievement.