Komatsu Manual Road Recycler GS500-1

Roads are one of the key infrastructures that support modern industry. The typical road consists of three layers: surface course, sub-base course, and subgrade course (from top down). These three courses have their own roles. Namely, the surface course secures the flatness and friction coefficient required of the road

the sub-base course secures the bearing capacity required of the road; and the subgrade course distributes the load applied to the road. download here