兑水 发表于 2009-9-23 11:19:40

ASTM C 1398-1998 用Gillmore针在实验室确定含添加剂的水硬水...

C1398-98e1 Standard Test Method for Laboratory Determination of the Time Setting of Hydraulic-Cement Mortars Containing Additives for Shotcrete by the Use of Gillmore Needles
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