目前，混凝土特别是大流动性混凝土容易产生早期裂缝。
Presently, concrete especially high flowing concrete can easily crack at early ages.
该设计避免了高强大流动性混凝土配合比设计仅依靠不断试配调整的局限性，使设计过程有章可循。
We can avoid some limitations which appear in the procedure of the design of the high strength with high fluidity, such as trial with continuous adjustment.
聚丙烯纤维不适于大流动性混凝土，对中小流动性的混凝土匀质性改善作用大，聚丙烯腈不宜用于匀质性的改善。
The polypropylene fibre have the better effect to concrete that the flowability is not too big than that is big. The polyacrylonitrile have no use to improve the homogeneity of concrete.
增粘剂的采用是保证大流动性轻骨料混凝土具有优良性能的关键。
Adoption of viscous agent is a key technique to ensure lightweight aggregate concrete with big fluidity to have good performances.
本文着重介绍采用以破碎卵石为粗骨料配制大流动性泵送c 60混凝土技术应用。
The paper mainly introduced the application technology of the pumping high strength concrete (C60) which takes crushed gravel as coarse aggregate with big fluidity.
本文论述了通过掺加矿物掺合料、高效减水剂的技术途径，利用机制砂作为混凝土的细集料，在实验室配制出了大流动性的高强机制砂混凝土。
By the means of adding mineral admixture and high-range water reducer, this article used the manufactured sand as the fine aggregate to produce the high strength flowing manufactured sand concrete.
本文论述了通过掺加矿物掺合料、高效减水剂的技术途径，利用机制砂作为混凝土的细集料，在实验室配制出了大流动性的高强机制砂混凝土。
By the means of adding mineral admixture and high-range water reducer, this article used the manufactured sand as the fine aggregate to produce the high strength flowing manufactured sand concrete.
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