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    • 2. 发明授权
    • 원심성형 피에이치씨 파일용 초고강도 콘크리트 조성물
    • 超高强度混凝土组合物
    • KR101172635B1
    • 2012-08-09
    • KR1020110105525
    • 2011-10-14
    • 주식회사 포스코건설삼표피앤씨 주식회사
    • 시대복손주혁박규연정문홍민기훈신준호부교탁김재호황의성하덕용
    • C04B24/04C04B18/14C04B28/16
    • Y02W30/94C04B24/04C04B14/365C04B18/142C04B28/04C04B2201/50
    • PURPOSE: An ultra strength concrete composition for centrifugal-casting PHC pile is provided to increase strength of the PHC pile, thereby reducing pile damage rate. CONSTITUTION: An ultra strength concrete composition for centrifugal-casting PHC pile comprises unit content in concrete of 120-150kg/m^3, unit combination material amount of 450-650kg/m^3,, fine aggregate content of 450-650kg/m^3, and unit coarse aggregate content of 1,100-1, 350kg/m^3. The binding material additionally includes 0.8-2.0 wt% of chemistry blending material which is polycarboxylate based superplasticizer based on the binding material. The maximum size of the coarse aggregate is 16-25 mm. Among the binding materials, 1-50 wt% of the high strength compound composition is replaced and added based on 100wt% of cement. The admixture is composed of 45-99 wt% of slag and 1-55 wt% of anhydrous gypsum. The cement is three species blister steel Portland cement.
    • 目的:提供一种用于离心铸造PHC桩的超强混凝土组合物,以提高PHC桩的强度,从而降低桩的破坏率。 构成:离心铸造PHC桩的超强度混凝土组成包括混凝土单位含量为120-150kg / m ^ 3,单位组合料量为450-650kg / m ^ 3,细骨料含量为450-650kg / m ^ 3,单位粗骨料含量为1,100-1,350kg / m ^ 3。 粘合材料另外包含0.8-2.0重量%的基于结合材料的基于聚羧酸酯的超增塑剂的化学共混材料。 粗骨料的最大尺寸为16-25毫米。 在粘合材料中,以100重量%的水泥为基础,更换1-50重量%的高强度化合物组合物。 该混合物由45-99wt%的渣和1-55wt%的无水石膏组成。 水泥是三种水泡波特兰水泥。