Test investigation on the chemical shrinkage or expansion of alkali-activated cementing materials and water-cement were carried out in this paper, in which water-cement was as control sample.
本文对碱激胶凝材料与水-水泥体系的化学收缩或膨胀进行了试验研究，其中以水-水泥体系为对比样。
From increasing the strength and density of concrete to start, the test and research were carried out for the sample of cement mortar by using PIC method in this paper.
从提高混凝土强度和密实性出发，采用“PIC”法对水泥砂浆试块进行试验和研究。
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