| 摘要 |
PURPOSE: The concrete for pavement is provided to have excellent drainage efficiency for promoting the safe driving in a rainfall, a sleet day, etc. CONSTITUTION: The concrete for pavement is composed of cement, aggregate and an admixture containing water. The cement is 250¯450 kilograms per square meter and the weight ratio of water against the cement is 0.35 and below, the aggregate is composed of even large-scale aggregate(2) obtained by crushing stone, and an admixture(1) contains Alkali Resistance glass yarn(5) woven with continuous filament yarns to form minute stiffeners and wide gaps(4) in admixture(1). |
