长沙市政道路中二灰砾石的配合比设计

The mixture ratio design of the lime industrial waste stabilized gravel in the municipal road of Changsha

文章针对长沙市市政道路沥青路面的横向裂缝频繁出现的现象,提出适合长沙地区的二灰砾石配合比的设计思路,从而减少反射裂缝的产生,提高半刚性基层二灰砾石的质量,延长沥青路面的使用寿命。

This article aims at the phenomenon of the transverse crack which emerge frequently in the municipal road of the bituminous pavement of Changsha city, and puts forward the thinking of design which agrees with the mixture ratio of the lime industrial waste stabilized gravel of Changsha region, in order to reduce the creation of the reflection crack, to improve the quality of the semirigid grass roots of the lime industrial waste stabilized gravel, and prolong the service life of the bituminous pavement.