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    • 4. 发明公开
    • 조기강도 발현 성능을 가지는 콘크리트 조성물
    • 混凝土组合物发挥早期强度
    • KR1020110077144A
    • 2011-07-07
    • KR1020090133613
    • 2009-12-30
    • 대림산업 주식회사쌍용양회공업(주)이코넥스 주식회사
    • 김용로정양희송영찬이재현금경훈편우식이웅종이원암김동현김동규
    • C04B24/24C04B28/16C04B24/12
    • PURPOSE: A concrete composition is provided to obtain the early strength expressing performance by including high-early strength type cement with the high fineness and high-early strength type polycarboxylate(PC)-based admixture. CONSTITUTION: A concrete composition with the early strength expressing performance includes high-early strength type cement and high-early strength type PC-based admixture. The fineness of the high-early strength type cement is between 4,000 and 4,500cm^2/g. The high-early strength type PC-based admixture is mixed with an amine-based high-early strengthening agent. 0.2-2.5 weight% of high-early strength type PC-based admixture is included, based on the weight of the high-early strength type cement. 5-20 weight% of the amine-based high-early strengthening agent is included, based on the weight of the high-early strength type PC-based admixture. 3-5 weight% of anhydrite is included, based on the weight of the high-early strength type cement.
    • 目的:提供一种混凝土组合物,通过包括高纯度和高强度型聚羧酸酯(PC)基混合物的高强度型水泥,以获得早期强度表现性能。 构成:具有早强表现性能的混凝土组合物包括高强度型水泥和高强度型PC基混合物。 高强度型水泥的细度在4,000至4,500cm ^ 2 / g之间。 高强度型PC型混合物与胺类高强化剂混合。 基于高强度型水泥的重量,包括0.2-2.5重量%的高强度型PC基混合物。 基于高强度型PC型混合物的重量,包括5-20重量%的胺基高预加强剂。 基于高强度型水泥的重量,包括3-5重量%的无水石膏。