目录简介 | 3.1 Primary roadPREFIX = O Primary road indicates the road connecting the major entrances of the plant, or busy transportation road in the plant. 3.2 Secondary road Secondary road indicates the road connecting the subordinate entrance of the plant, fire protection road or the road with fewer vehicles or pedestrian. 3.3 Service roads Service road indicates the road designed in the process or system unit for the purpose of inspection and repair or fire-protection. 3.4 3.4 Accessways Accessways indicates the road connecting the primary or secondary road in the workshop, warehouse or block. 3.5 Sidewalk Sidewalk indicates the road set beside the two sides of primary and secondary road, for the purpose of pedestrian road. 3.6 Concrete pavement Concrete pavement is paved with cement concrete surface layer and sub-base (or mat base). 3.7 Asphalt concrete pavement Asphalt concrete pavement is formed through mixing proper amount and different class of mineral aggregates and asphalts under normal temperature into composite material, then spreading and compacting the composite material into surface layer and sub-base (mat base) to pave. 3.8 Asphalt pour into pavement Asphalt pour into pavement is formed through pouring asphalt onto the initially smashed stone (gravel),then spread the joint filler on different layers, compact the pouring asphalt into the surface layer and sub-base (mat base) with thickness of PREFIX = ST1 4cm - 8cm to pave |