一种测试水泥初凝时间的新方法

A New Method for Testing Initial Setting Time of Cements

采用流变学的小振幅振荡动态分析法测量了普通水泥、高铝水泥、纯铝酸钙水泥的动态时间谱,从各种水泥的动态时间谱上求出它们的初疑时间分别为179min、60min、143min,与国标测定的结果基本吻合。

Initial setting time 179min,60min and 143min belonging to Portland cement, aluminous cement and pure calcium aluminate cement separately were determined with the dynamic time patterns that were measured by the experiment of a small-amplitude oscillatory shear for rheology,and were very similar to ones tested according to Chinese standard.