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    • 3. 发明专利
    • High-strength concrete composition for centrifugal force molding and its manufacturing method
    • 用于离心力模具的高强度混凝土组合物及其制造方法
    • JP2009073700A
    • 2009-04-09
    • JP2007244681
    • 2007-09-21
    • Ube Ind Ltd宇部興産株式会社
    • MATSUSHIMA NOBUYUKIMOCHINAGA SHINJI
    • C04B28/04C04B18/14C04B22/06C04B22/14C04B24/22C04B111/56
    • C04B7/02C04B28/04C04B2111/56Y02W30/94C04B11/06C04B14/02C04B18/146C04B24/20C04B40/024C04B2103/408
    • PROBLEM TO BE SOLVED: To provide a concrete composition for centrifugal force molding exerting high strength in regard to centrifugally molded concrete secondary products such as a pile, a pole or a Hume pipe and the like.
      SOLUTION: In the high-strength concrete composition for centrifugal force molding containing ordinary portland cement, early-strength portland cement, a high-strength additive, a dispersant, an aggregate and water, the containing ratio of gypsum hemihydrate in gypsum is 10-95 mass% and the containing ratio of a gap phase is 17-23 mass% in the ordinary portland cement, the ratio of the early-strength portland cement in the total quantity of portland cement is 28-80 mass%, the unit quantity of the total quantity of portland cement is 510-690 kg/m
      3 , the high-strength additive contains anhydrous gypsum and noncrystalline silica wherein the mass ratio of anhydrous gypsum/noncrystalline silica is 15/85-85/15, the content of the high-strength additive is 6-25 pts.mass based on 100 pts.mass of the total quantity of portland cement and the dispersant is a naphthalene-based dispersant.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种离心力模制的混凝土组合物,对于诸如桩,杆或休谟管等的离心模制混凝土二次产品而言具有高强度。 解决方案:在含有普通硅酸盐水泥,早强硅酸盐水泥,高强度添加剂,分散剂,骨料和水的离心力成型的高强度混凝土组合物中,石膏中石膏半水合物的含有比例为 10-95质量%,普通硅酸盐水泥中间隙相的含量比为17-23质量%,硅酸盐水泥早期硅酸盐水泥比例为28-80质量%,单位为 硅酸盐水泥总量为510-690 kg / m 3,高强度添加剂含无水石膏和非晶硅,其中无水石膏/非结晶二氧化硅的质量比为15/85〜 85/15,高强度添加剂的含量为6-25磅,基于波特兰水泥总量的100磅,分散剂为萘系分散剂。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Sulfuric acid resistant cement composition, sulfuric acid resistant mortar composition, and sulfuric acid resistant concrete composition
    • 耐酸水泥组合物,抗硫酸镁组合物和耐酸性混凝土组合物
    • JP2011201745A
    • 2011-10-13
    • JP2010072595
    • 2010-03-26
    • Ube Industries Ltd宇部興産株式会社
    • IGARASHI HIDEAKISASAKI AKIRAMOCHINAGA SHINJIYAMATO KOICHIRO
    • C04B28/02C04B14/28C04B24/20C04B24/22C04B111/23
    • C04B28/02C04B14/02C04B14/28C04B20/0096C04B24/22
    • PROBLEM TO BE SOLVED: To provide a sulfuric acid resistant cement composition having excellent workability and capable of obtaining a hardened body having improved sulfuric acid resistance and a sulfuric acid mortar composition and a sulfuric acid resistant concrete composition using the same.SOLUTION: The sulfuric acid resistant cement composition contains 1-12 pts.mass aromatic amino sulfonic acid based polymer compound in the basis of solid portion to 100 pts.mass cement. The aromatic amino sulfonic acid based polymer compound is a formaldehyde condensate of phenol and aromatic amino sulfonic acid or its salt and the weight average molecular weight thereof is preferably 10,000-50,000. The sulfuric acid resistant cement composition preferably further contains 30-400 pts.mass lime stone fine powder. The sulfuric acid resistant mortar composition contains 50-800 pts.mass fine aggregate to 100 pts.mass cement in the sulfuric acid resistant cement composition. The sulfuric acid resistant concrete composition contains coarse aggregate in the sulfuric acid resistant mortar composition.
    • 要解决的问题:提供具有优异的加工性能并且能够获得具有改善的耐硫酸性的硬化体和硫酸砂浆组合物的耐硫酸水泥组合物和使用其的耐硫酸混凝土组合物。溶液:硫酸 耐水泥组合物含有1-12质量%芳香族氨基磺酸基高分子化合物,其固体部分为100质量份水泥。 芳香族氨基磺酸系高分子化合物是苯酚和芳香族氨基磺酸或其盐的甲醛缩合物,其重均分子量优选为1万〜5万。 耐硫酸水泥组合物优选还含有30-400点石灰石细粉。 耐硫酸砂浆组合物含硫酸耐水泥组合物中含有50-800粒度的聚集体,至100质量度的水泥。 耐硫酸的混凝土组合物在耐硫酸砂浆组合物中含有粗骨料。