The RHA, amorphous or partially crystalline, when used in an appropriate way, reduces autogenous shrinkage.

该壳灰, 无定形或部分结晶, 使用时以适当的方式, 降低了自收缩.

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The influence of shrinkage reducing admixture on autogenous shrinkage, workability and compressive strength was investigated.

文中考察了减缩剂对混凝土自收缩 、 工作性、强度等性能的影响.

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