用于铺设在人行道上的透水面层类型

水资源短缺日益严重,而大量的雨水资源却未加有效利用。透水面层可以增大土地的透水和透气性,起到减少水土流失、涵养当地水源、有效缓解热岛效应、改善区域生态环境等作用,使原本不透水的路面变成会呼吸的人行道。着重介绍透水砖面层、大孔隙沥青混合料面层、透水性水泥混凝土面层、透水性钢渣砂沥青混合料面层等四种透水面层的材料、结构层施工、优缺点和适用场合。

On Types of Permeable Pavement Layed on Sidewalk

Water resource shortage has become a serious problem at present,while the rainfall resource has not been used effectively.The permeable pavement can change the impervious pavement to permeable sidewalk,owing to its effect of increasing soil permeability to reduce the soil erosion,conserve water,relieve heat island effect and improve regional ecological environment,etc.The author emphasized four permeable pavement materials and their structure layer construction,advantages,disadvantages and applicable situations,those were the permeable bricks pavement,macro porous asphalt mixture pavement,permeability cement concrete pavement and permeability steel slag sand asphalt mixture.