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    • 1. 发明公开
    • 고유동 수중불분리 콘크리트용 재료 및 이를 이용한 고유동 수중불분리 콘크리트의 제조방법
    • 具有高防水混凝土的混凝土材料的材料和使用材料制造高辉度防潮混凝土的方法
    • KR1020120083009A
    • 2012-07-25
    • KR1020110004414
    • 2011-01-17
    • 한국건설기술연구원
    • 박정준김성욱안기홍배수호박재임유재원
    • C04B18/14C04B14/06C04B24/04C04B16/02
    • Y02W30/94C04B28/02C04B14/06C04B18/141C04B20/0076C04B40/0032C04B2103/302C04B2103/44C04B2111/00068C04B2201/10
    • PURPOSE: A material composition for high-fluidity non-separable in-water concrete and a manufacturing method of the high fluidity non-separable in-water concrete using the same are provided to obtain high-fluidity by harmonizing pozzolan reaction and mobility enhancement effects. CONSTITUTION: A material composition for high-fluidity non-separable in-water concrete comprises high fluidity non-separable in-water concrete binder, sand and coarse aggregate. The binder is composed of 60-80 wt% of cement and 20-60 wt% of blast furnace slag. 5-20 wt% of the fine aggregate is partially replaced by silica having a particle size of less than 0.5mm. A manufacturing method of the high fluidity non-separable in-water concrete comprises the following steps: preparing water having a unit water content in concrete of 180-205kg/m^3 for concrete(1m^3); mixing 35-55 wt% of water-binder ratio by using the high fluidity non-separable in-water concrete binder; mixing 1-5 wt% of poly carboxylic acid based high range water reducing admixture based on the content of the used binder; mixing 0.9-1.2 wt% of non-separable in-water admixture based on content of the used unit quantity; preparing 30-50 wt% of the fine aggregate and coarse aggregate; and mixing the aggregates.
    • 目的:提供一种用于高流动性不可分离水中混凝土的材料组合物和使用其的高流动性不可分离水中混凝土的制造方法,以通过协调火山灰反应和流动性增强效果来获得高流动性。 构成:用于高流动性不可分离的水中混凝土的材料组成包括高流动性不可分离的水中混凝土粘合剂,砂和粗骨料。 粘合剂由60-80重量%的水泥和20-60重量%的高炉矿渣组成。 细小骨料的5-20重量%被粒径小于0.5mm的二氧化硅部分替代。 高流动性不可分离水中混凝土的制造方法包括以下步骤:为混凝土(1m ^ 3)制备混凝土单位含水量为180-205kg / m ^ 3的水; 通过使用高流动性不可分离的水中混凝土粘合剂,混合35-55wt%的水 - 粘合剂比; 基于所使用的粘合剂的含量混合1-5重量%的基于聚羧酸的高范围减水混合物; 根据使用单位数量的含量混合0.9-1.2重量%的不可分离的水中混合物; 制备30-50重量%的细骨料和粗骨料; 并混合聚集体。