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东德《公路》杂志介绍了一种透水性沥青混合料,这种材料的泡沫孔隙率大于10%,且有过滤性。研究证实,用现有的拌和装置即可拌制这种透水性沥青混合料。拌制最佳透水性沥青混合料有两种配方(见表1):
East Germany “Highway” magazine introduced a water-permeable asphalt mixture, this material has a foam porosity greater than 10%, and there is filterability. The study confirmed that the existing mixing device can be mixed with this water-permeable asphalt mixture. There are two formulations for blending the best water-permeable asphalt mixes (see Table 1):