subbase course meaning in English

底垫层

Kish slag using as highway subbase course
石墨尾矿用作高速公路底基层
The mixture ratio adjustment of cement and coal ash for stabilizing crushed stone subbase course
水泥粉煤灰稳定碎石基层施工配合比的调整
This paper primary investigates the feasibility and technique of cement stabilized recycled asphalt mixture using in base and subbase course
本文主要是研究利用水泥为添加剂稳定废旧沥青路面材料修筑路面基层和底基层的可行性与技术问题。
The old asphalt mixture being dealt with cement is a cold in - place recycling method . the mechanism is that the crushed asphalt mixture and lime soil are reused and is stabilized by cement additive . so the material can be applied in base and subbase course such as cement stabilized aggregate
利用水泥处治废旧沥青路面材料属于沥青路面冷再生的范畴，其再生机理是将加工破碎的废料(包括废旧的沥青混合料和部分灰土基层)重新利用，经过水泥进一步的稳定作用，形成与水泥稳定级配粒料类似的基层和底基层材料。