Mechanism of water-reducer in cement hydrating process:(1) Restrains hydration of C3S and accelerates hydration C3A at 1d. The chemical shrinkage with Calcium lignosulfonate for 1d has little change with addition.
4.减水剂对水泥水化历程的调控作用机理:(1)随木钙掺量的增加1 d化学收缩变化不明显。
参考来源 - 功能可控型聚羧酸减水剂的研究与应用·2,447,543篇论文数据,部分数据来源于NoteExpress
煅烧高岭土掺入水泥中,增加了水泥石的化学收缩,对水泥石的自收缩的影响并不明显。
The addition of calcined kaolin to cement increased the chemical shrinkage of cement stone, but it had no distinct impact on the self-shrinkage of cement stone.
水泥水化反应引起的化学收缩会引起砂浆及混凝土的体积变化,可能会导致收缩裂缝的产生。
The chemical shrinkage caused by cement hydration may bring out the volume change of mortar and concrete, and the appearance of cracking.
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。
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.
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