一、前言最近,《路基工程》杂志对梅七线梅(家坪)前(河)段路基病害整治进行了认真的、热烈的讨论。这些文章总结了设计部门和施工单位对梅七线梅前段路基病害整治正反两个方面的经验。这些意见提得深刻而有见地,对今后的设计和施工,必将起到有益的推动作用。对我们养护部门同样是很宝贵的。路基是铁路的基础,如何养护好梅七线路基,保证列车安 I. Introduction Recently, Subgrade Engineering has conducted a serious and enthusiastic discussion on the treatment of roadbed diseases in the section of Meijia (Jiaping) before Meijia (Mei Ping). These articles summarize both the design department and the contractor’s experiences in both positive and negative aspects of roadbed rehabilitation of Mei-Qixian plum section. These opinions are profound and insightful, and will surely play a helpful role in promoting the design and construction in the future. It is equally valuable to our conservation department. Subgrade is the basis of the railway, how to conserve the plum-seven subgrade, to ensure train safety