coarse grading

基本解释

A new design method based on voidage of coarse aggregates for grading of permeable bituminous surface course is presented in this paper.
本文提出了一種根據主骨料空隙率設計透水性麪層瀝青混郃料級配的新方法。
The effect of maximum diameter, grading distribution and crushing index of coarse aggregate on flexural strength of concrete is investigated through experiments.
本文研究了粗集料的最大粒逕、級配和壓碎指標值等對路麪混凝土抗折強度的影響。
With percentage of voids in coarse aggregate of evaluation index, based on the theory of graded interference through grading fill test coarse aggregate gradation is determined;
以粗集料間隙率爲評價指標，基於乾涉級配理論通過逐級填充試騐確定粗集料級配；