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PREPARATION METHOD OF WATER PERMEABLE CONCRETE COMPRISING COARSE AGGREGATE, CEMENT, WATER, ADMIXTURE COMPRISING POLYMER, FLY ASH AND/OR FUMED SILICA, AND HIGH PERFORMANCE AE WATER REDUCING AGENT, AND WATER PERMEABLE PLATED STONE PREPARED BY USING THE CONCRETE
PREPARATION METHOD OF WATER PERMEABLE CONCRETE COMPRISING COARSE AGGREGATE, CEMENT, WATER, ADMIXTURE COMPRISING POLYMER, FLY ASH AND/OR FUMED SILICA, AND HIGH PERFORMANCE AE WATER REDUCING AGENT, AND WATER PERMEABLE PLATED STONE PREPARED BY USING THE CONCRETE
PURPOSE: Provided are a method for preparing a water permeable concrete which is applied to the pavement of a road and is improved in water permeation, strength, durability, design and economical efficiency, and a water permeable plated stone prepared by using the water permeable concrete. CONSTITUTION: The water permeable concrete comprises 1,500-1,900 kg/m3 of a coarse aggregate with a size of 2.5-40 mm; 270-350 kg/m3 of cement; 100-130 kg/m3 of water; 60 kg/m3 or less of at least one of a polymer, fly ash and fumed silica as an admixture; and a high performance AE water reducing agent having a void fraction of 10 % or more, a water permeation coefficient of 50x10¬-2 cm/sec or more and a compression strength of 150 kgf/cm2 or more whose content is 2 % or less of the amount of the cement.
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机译：用途：提供了一种制备可透水混凝土的方法，该方法应用于道路的路面并改善了透水率，强度，耐久性，设计和经济效率，以及使用该透水混凝土制备的透水板石。组成：透水混凝土包含1,500-1,900 kg / m3的粗骨料，尺寸为2.5-40 mm;水泥270-350 kg / m3; 100-130 kg / m3的水; 60 kg / m3或以下的聚合物，粉煤灰和气相二氧化硅中的至少一种作为混合物;以及一种高性能AE减水剂，其孔隙率为10％或更高，透水系数为50x10¬-2cm / sec或更高，抗压强度为150 kgf / cm2或更高，其含量为2％或更低水泥的量。
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