膨胀岩基床新型防排水材料应用研究

Application Research on New Waterproof and Drainage Materials in Expansive Rock Foundation Bed

为构筑严密的路基整体防排水体系,论文选取膨胀土路基地段,在路基基床底层铺设1层20cm厚的水泥基防排水材料,通过室内试验和现场摊铺压实后各项试验的的分析,探究路基新型防排水材料的施工参数和工艺流程,为新型防排水材料在膨胀岩路基上的应用提供依据。

In order to build a tight overall waterproof and drainage system of subgrade,this paper selects the expansive soil road base section,and paves a layer of 20 cm thick cement-based waterproof and drainage material at the bottom of subgrade bed.Through the analysis of indoor test and field test after paving and compaction,the construction parameters and technological process of new waterproof and drainage materials for subgrade are explored,which provides the basis for the application of new waterproof and drainage materials in swelling rock subgrade.