德国的路面排水系统既可以排路表的水,也可以排除地下水。其排水基层的设计特点是在混凝土板下面采用10cm厚的沥青处置材料或贫混凝土或水泥处置的基层。若采用贫混凝土,则要粘接到平板上。为了防止反射裂缝,要把基层上的接缝或槽缝准 The German pavement drainage system can either drain the water from the table or remove the groundwater. The design of the drainage base is characterized by the use of a 10 cm thick layer of asphalt disposal material underneath the concrete slab or a base layer poorly treated with concrete or cement. If lean concrete is used, it must be glued to the plate. In order to prevent the reflection of cracks, the seam or slot on the grassroots level