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。
The sand is lack in the western China, so preparing self-compacting concrete with low and middle strength with Super Fine Mountain Sand and Artifical Sand is necessary.
西部地区河砂匮乏，应用特细山砂和机制砂配制中低强度等级的自密实混凝土是西部地区迫切需要开发的混凝土工程技术。
But almost all the attention of the plastic shrinkage crack are focus on the medium and coarse sand concrete and the study of super fine one not found.
目前关于塑性收缩裂缝的研究几乎都集中在中粗砂混凝土，对于特细砂混凝土塑性收缩裂缝及其相关问题的研究几乎没有。
The sand stone concrete (or fine stone concrete), is mixed with water, cement and fine stone.
统砂石混凝土（也称细石混凝土） ，是由水、水泥及小石子组成的混凝土。
The preparations of solidified extra-fine sand coarse aggregates and the concrete made by the solidified aggregates were studied.
对以长江粉细砂制造固结集料及其配制的混凝土进行了研究。
The preparations of solidified extra-fine sand coarse aggregates and the concrete made by the solidified aggregates were studied.
对以长江粉细砂制造固结集料及其配制的混凝土进行了研究。
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