• 1. sand-grading: 砂粒级配 | 砂石级配
• 2. sand grading: 砂的级配 | 砂子粒度分级 | 砂粒级分
• 3. Sand grading curve: 砂的级配曲线

更多释义

• 1.It can get good effect through the measures of advancing the aggregate grading and increasing sand ratio and provide reference for similar engineering.
  通过改善集料级配，适当增加砂率等措施来解决流沙问题能取得良好的效果，可为类似工程提供参考。
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• 2.The paper briefly describes the problems which should be noticed in grading sand-gravel cushion and cement stabilized sand-gravel base constructions, and the treatments for them.
  简述了级配砂砾垫层与水泥稳定砂砾基层在公路施工中应注意的问题及处理方法。
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• 3.The feasibility of using attle in ordinary concrete is studied. 50% sand replaced with attle, a dense-grading system is obtained with fly ash, sand, attle and stone.
  研究了石屑用于普通混凝土的可行性及配合比设计方法。用石屑取代河砂50%，并通过粉煤灰、河砂、石屑和石子等混凝土各组成成分之间的相互填充来实现密级配。
  dict.yoduao.com

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