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PHC PHC Admixtures for PHC pile comprising furnace blast slag and concrete composition for PHC pile comprising the same
PHC PHC Admixtures for PHC pile comprising furnace blast slag and concrete composition for PHC pile comprising the same
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机译：PHC PHC含炉前高炉渣的PHC掺合料以及包含该掺合料的PHC桩混凝土组合物
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摘要
The present invention relates to an admixture for a PHC pile comprising a blast furnace slag capable of solving the problem of increase in viscosity and initial strength reduction as the content of the blast furnace slag increases, when the PHC pile including the blast furnace slag is produced, and the admixture And more specifically to a concrete composition for a PHC pile, which comprises 10 to 40 parts by weight of a polycarboxylic acid-based dispersant; 10 to 60 parts by weight of a polycarboxylic acid-based oil-retaining agent; And 0.05 to 1 part by weight of a defoaming agent; and an admixture for the PHC pile; And a binder including blast furnace slag and cement. The present invention also provides a concrete composition for a PHC pile.
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