| 摘要 |
<p>PURPOSE: An injection material with water retentivity for porous asphalt pavement and a pavement structure using the same are provided to reduce heat island by lowering the temperature a road and the surroundings of the road. CONSTITUTION: An injection material with water retentivity for porous asphalt pavement comprises a cement binding material, water retention additive, and silica fume. The cement binding material comprises Portland cement 30~50 weight% and ultra rapid hardening cement 50~70 weight%. The water retention additive is formed by mixing one or more of zeolite, diatomite, slag powder, bottom ash, coal ash, and lime.</p> |
