石灰石中经常含有少量的氧化镁，这对水泥的安定性有害。
Limestone often contains small amount of magnesium oxide that is harmful to soundness of cement.
它作为水泥混合材料可以改善水泥的安定性，并能降低水泥的成本。
Used as cement admixture it can improve the soundness of cement and reduce the cost.
讨论了水泥安定性对混凝土强度的影响以及混凝土中水泥安定性的简易检验。
The influence of cement soundness on concrete strength and the method of simple test for soundness of cement in concrete have been discussed.
应用推荐