Asphalt levelingcourse has effect on providing working platform for asphalt levelingcourse and preventing reflection cracks in the "adding ac overlay on PCC pavement" project.
水泥路面白改黑工程中沥青找平层起着提供沥青加铺层工作平台和防反射裂缝的作用。
2
Because of the ultrathin levelingcourse in Sutong Bridge, high performance concrete with polypropylene fiber is applied to solve some technique problems of easily cracking and worse impermeability.