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依据GB/T18046—2008中的检测方法,用6种对比水泥对2种矿渣基复合掺合料进行了活性指数检验,研究了对比水泥对矿渣基复合掺合料胶凝活性评定的影响规律。结果表明:复合掺合料活性指数的检验结果因所采用的对比水泥的不同而产生显著的差异,其活性指数与对比水泥胶砂抗压强度之间存在显著的负相关关系。矿渣基复合掺合料专用的化学激发剂对水泥品种来源具有良好的适应性。
According to the method of GB / T18046-2008, the activity index of two kinds of slag-based composite admixtures was tested by six contrasting cements, and the effect of cement on the evaluation of gelling activity of slag-based composite admixtures was studied. The results show that the test results of composite admixture activity index have significant differences due to the different used cement, and there is a significant negative correlation between the activity index and compressive strength of cement mortar. Slag-based composite admixtures for chemical stimulants of cement varieties have good source of adaptability.