灰砂土在路面基层施工中的应用

the use of lime sand in the construction of base course of pavement

文章结合本地区实际介绍灰砂土做路面基层的应用情况，表明利用灰砂土做基层，可以提高基层强度，降低工程造价与养护费用，还可延长公路的使用寿命。

The application of lime sand soil used for the base course of pavement is described in this paper. This material can be used to increase the strength of base course of pavement, reduce the cost of engineering construction and maintenace, and also extend the lifetime of pavement.