长荆铁路路基病害的预防和整治

Prevention and governance of Chang-Jing railway subgrade disease

通过对既有线长荆铁路地质地貌及病害特征进行分析,列举了基床下沉外挤、翻浆冒泥和滑坡等典型的病害,并针对具体病害实例提出了打石灰桩法、压力注浆法,清筛道床及滑坡防治措施,同时将病害治理的效果做了介绍,以指导工程实践。

This thesis analyzes the geological and topographical resources and diseases characteristics of existing Chang-Jing railway,lists typical diseases including foundation bed subsidence and squeezing,mud-pumping and landslide and so on,and puts forward preventive methods including liming pile method,pressure grouting method,ballast cleaning and landslide preventive measures,and finally describes the preventive effect of the disease,with a view to guide engineering practice.