Using a small aggregate mix enabled the concrete to be placed into the blind areas of the formwork with no vibration.

项目使用了小料混合，使混凝土能够放进模板的封闭区而不会振动。

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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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Raw materials selection, which influents concrete corrosion resistance, is discussed, which involved in cement kinds, aggregate properties, mix, curing water quality, kinds of additive and admixture.

讨论了原材料的选择，包括水泥品种、集料性质、拌合及养护用水的水质情况、外加剂的种类和掺合料对混凝土耐腐蚀性能的影响。

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Although the aggregate funding numbers remain strong, its very clear that the mix of investors in these financings has changed.

FORBES: Early Stage Biotech Showing Positive Signs of Scaling Its Wall of Worry