辽西季节性冻土地区道路冻害及其防治

为了防治这些道路冻害的发生,保障交通的正常运输,延长道路的使用年限,在分析辽西地区水文、地质的基础上,重点考察了辽西道路目前的冻害现状,找出了辽西道路冻害存在的各种形式,并对这些冻害进行了具体研究。同时,根据研究出的冻害产生的原因、形成的特征,提出了有效防治辽西地区风积土地基道路冻害的具体措施。

Frozen injury and prevention of roads of seasonally frozen ground regions in western Liaoning

The large of the aeolian soil has been formulated due to its special geographical and climatic conditions in the western region of Liaoning,. This kind of the aeolian soil has the strong frozen swollen effect, which causes lots of frozen injury. To prevent occurrence of road frozen injury and assure regular transportation and prolong life span of roads, the paper finds out the kind of the frozen Injury and study it in details on the basis of analyzing hydrology and geology and paying much attention to the current frozen injury situation. Simultaneously, the concrete measures which prevent the effect of frozen injury on the road foundation of aeolian soil in western region in Liaoning has been formulated according to formulated reason and features of frozen injury.