通过配合比正交优化和适宜的快速焙烧实验，烧制出了轻质、高强、低吸水率的优质粉煤灰轻集料。
Through orthogonal optimized proportion and suitable accelerated burning test, experiment has successfully produced high strength and performance fly ash lightweight aggregate.
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.
本实验研制的超速凝超早强水泥中的微集料掺加量高达13%。
Amount of microaggregate added in this kind of cement was up to 13%.
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