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    • 4. 发明公开
    • Grout impregnation method
    • 灌浆浸渍法
    • EP0236560A3
    • 1987-10-14
    • EP86116563
    • 1986-11-28
    • NITTO CHEMICAL INDUSTRY CO., LTD.NIHON Soil Engineering Co. Ltd.YAMAGUCHI Kikai Kogyo Co. Ltd.NIHON Sogo-Bosui Co. Ltd.
    • Tazawa, ShunsukeTakeuchi, KenjiHoriba, AkiyoshiIshida, MitsujiKashima, ShouichiMurata, Mineo c/o YAMAGUCHI KIKAI KOGYO Co. Ltd.
    • E02D03/12
    • E02D3/12
    • An improved grout impregnation method which uses an injection tube for contacting and mixing different kinds of materials supplied thereinto separately to prepare a grout and impregnates the grout into the earth through an injecting opening provided at a tip end of the tube. In this method, a first pressure-holding valve is provided"within a higher-pressure path for one of the materials which is supplied under a higher pressure, a mixing section is provided downstream the first pressure-holding valve but in the vicinity thereof for contacting and mixing said one of the materials with another one which is supplied under a lower pressure, and a second pressure-holding valve is provided downstream the mixing section; said one of the materials is passed through the first pressure-holding valve, which reduces the pressure of said one of the materials, and then contacted and mixed with said another one at the mixing section; the contacting and mixing is carried out under a pressure exceeding an atmospheric pressure and determined by the second pressure-holding valve; and the grout resulting from the contacting and mixing and passed through the second pressure-holding valve is impregnated into the earth through the injection opening.
    • 一种改进的灌浆灌注方法,其使用注入管将分别供入其中的不同种类的材料分开接触和混合以制备灌浆并通过设置在管的尖端处的灌注开口将灌浆灌入地中。 在这种方法中,第一压力保持阀设置在“在较高压力下供应的材料中的一种材料的较高压力路径内,混合部分设置在第一压力保持阀下游但在其附近 使所述一种材料与另一种在较低压力下供应的材料接触并混合,并且在混合段下游提供第二压力保持阀;所述材料中的所述一种穿过第一压力保持阀, 所述一种材料的压力,然后在所述混合部分与所述另一种材料接触并混合;所述接触和混合在超过大气压的压力下进行并由所述第二压力保持阀确定;并且所述水泥浆 由于接触和混合而产生并通过第二压力保持阀的压力通过注入口渗入地中。