...混凝土配合比; 模板设计安装; 牛栏江-滇池补水工程 [gap=835]ey words: U-shaped and thin-walled prestressed aqueduct; prestress construction; concrete mix ratio design; framework design and installation; Niulan River-Dianchi Lake Water Supplement ..
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It shows that the modified overall calculation method is more scientific and rational and exact on mix ratio design of self-compacting concrete.
结果表明：改进的全计算法是一种科学、合理、准确的自密实混凝土配合比设计方法。
The mix design of strong concrete should follow the principles of low water-cement ratio, low sand ratio and high bone-glue ratio, thus the relatively satisfying effect can be achieved.
高强度混凝土的配合比设计应该遵循低水灰比、低砂率、高骨胶比的原则，这样才能达到比较理想的效果。
This paper proceeds some discussion about the optimized sand-ratio, ave rage paste thickness and aggregate packing degree in the packing concrete mix proportion design.
本文对密实混凝土配合比设计中的最优砂率、平均胶结浆体厚度、骨料密实度进行了一些探讨。
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