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Being the cement type solidification material for high tension injection construction method and the cement type
Being the cement type solidification material for high tension injection construction method and the cement type
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机译:作为高压注水泥施工方法的水泥型固化材料和水泥型
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摘要
PROBLEM TO BE SOLVED: To provide a cement-based solidifying material for a high pressure spraying process which attains the reduction in the clogging at the pipeline, screen or nozzle part and the wear of the nozzle part in a foundation improvement execution machine, and a smooth improvement construction is achieved, and to provide a high pressure spraying process using the same.;SOLUTION: The cement-based solidifying material for a high pressure spraying process comprises portland cement and II type anhydrous gypsum powder, and in which the mass ratio of the portland cement/II type anhydrous gypsum is 0.5/99.5 to 8/92, and the water content in the II type anhydrous gypsum powder is 0.03 to 2 mass%.;COPYRIGHT: (C)2009,JPO&INPIT
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