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    • 7. 发明专利
    • Expansion retarder of fly ash, hydraulic composition, method for manufacturing fly ash hardened body using the same, and fly ash hardened body
    • 飞灰的扩展延迟器,液压组合物,使用其制造飞行ASH硬化体的方法和飞行硬化体
    • JP2005179133A
    • 2005-07-07
    • JP2003424029
    • 2003-12-22
    • Denki Kagaku Kogyo Kk電気化学工業株式会社
    • MORIOKA MINORUNAKAMURA KEISUKE
    • C04B22/08C04B7/24C04B28/00
    • C04B28/021C04B22/085C04B2111/32C04B22/002
    • PROBLEM TO BE SOLVED: To provide an expansion retarder of fly ash with which the expansion induced by the fly ash having a high content of free lime is made possible and the use for a cured body of the seashore is made possible, a hydraulic composition, and a method for manufacturing the fly ash hardened body using the same.
      SOLUTION: The invention comprises: the expansion retarder of the fly ash containing nitrate and/or nitrite; the expansion retarder of ≥2% in the content of the free lime in the fly ash; the hydraulic composition containing the fly ash, a stimulant, and the expansion retarder; the hydraulic composition of 0.1 or 5 parts the expansion retarder and/or 1 to 20 parts the stimulant per 100 parts the fly ash; a mixture containing the hydraulic composition and water; the method for manufacturing the fly ash hardened body by kneading the mixture, filling the same into a molding flask, and molding the mixture; the manufacturing method of kneading the mixture, filling the mixture into the molding flask, and molding the same while performing vibration compaction; and the fly ash hardened body manufactured by using the manufacturing method.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种飞灰的膨胀缓凝剂,使得由具有高含量游离石灰的飞灰引起的膨胀成为可能,并且使得用于海滨的固化体成为可能, 水硬性组合物和使用其的飞灰硬化体的制造方法。 解决方案:本发明包括:含有硝酸盐和/或亚硝酸盐的飞灰的膨胀缓凝剂; 飞灰中游离石灰含量≥2%的膨胀缓凝剂; 含有飞灰,刺激剂和膨胀缓凝剂的水硬性组合物; 水硬性成分为0.1或5份膨胀缓凝剂和/或1〜20份兴奋剂每100份粉煤灰; 含有水硬性组合物和水的混合物; 通过捏合混合物来制造飞灰硬化体的方法,将其填充到模型烧瓶中并模制混合物; 混合混合物的制造方法,将混合物填充到烧瓶中,并进行振动压实而成型; 和使用该制造方法制造的飞灰硬化体。 版权所有(C)2005,JPO&NCIPI