港城路透水性沥青路面下排水通道的设置

Setting of Drainage Channal for Pervious Bituminous Pavement of Gang Chen Rood

雨水进入透水性沥青路面后,需在结构层建立排水通道,使雨水能被迅速有效地排出道路外。排水通道包括:铺筑稀浆封层作为隔水层,将平石改造成为具有排水管道的排水平石,改造雨水口井框,使其具有与排水平石相对应的孔道等。

When the rainwater get into pervious bituminous pavement, it is necessary for the road structural layer to set up drainage channal to drain the water away rapidly. The drainage channal system include: paving confined bed;convert the flush curb into a drainage curb; improving the curb inlet basin by cut corresponding hole tO the curb,and so on.