寒区公路路基阻水防渗技术研究

Technique about water -proof and imperivious subgrade in cold region

本文通过对大兴安岭多年冻土地区公路路基融沉原因的分析、提出了采用塑编袋装填粘土的保温阻水防渗技术。通过生产性试验,并经五年长期监测,证实路基处于稳定状态。

Througyh analyzing the causes of subgrade depression in frozen soil in Great Mountainous, this article puts forward the method using the plastic sacks to hold clay, and it was waterproof, insulating and impervious. The subgrade was confirmed stable under testing and monitoring for five years.