However, there are large distinctions between the influences of the two types to the workability of cement paste and fresh concrete, the mechanical properties and microstructure of hardened concrete.

它们对水泥净浆和新拌混凝土的工作性的影响有所不同，此外掺加两类减水剂的硬化产物的力学性能和微观结构也具有很大差别。

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Large diameter synthetic fiber reinforced concrete was made for measuring the properties of fresh concrete mixture and the impact resistance of the hardened samples.

对掺入大直径合成纤维后的混凝土拌和物性能以及混凝土硬化试件的抗冲击性能进行了试验研究。

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