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1·The characteristic curve of aggregate grading may be described by the three parameters: maximum aggregate size, grading index and mineral filler content.

骨料级配曲线可用三个参数表征：骨料最大粒径、级配指数和填料用量。

2·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。

3·The methods(provided by the experiment rule or improved)used to determine the amount of lime in lime-fly ash bound aggregate with specific grading influence remarkably the results of determination.

测定二灰级配集料中石灰剂量的方法（试验规程上的方法和改进方法）对测定结果有显著影响。

4·Because of vast volume of a dam, the coarse aggregate of concrete used for constructing a dam is of large grain size and more grading.

由于水坝的体积大，用来筑坝的混凝土的粗骨科粒径大、分级多。合理确定最大粒径、分级尺寸和级配十分重要。

5·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径、级配和压碎指标值等对路面混凝土抗折强度的影响。

6·Applying the simulation technique of concrete mesostructure, the ITZ volume fraction was obtained for a given aggregate grading.

应用混凝土细观结构模拟技术，获得了任一级配骨料的界面体积分数。

7·The mixture ratios mainly including the proportion of Lime and Fly-ash, aggregate and grading collocation and the cement parameter are found out through orthogonal experiment.

通过正交试验，找到二灰碎石各种材料的用量比例，主要是二灰内比、碎石比例和级配、水泥掺量等与结构强度、横缝出现情况的关系。

8·A dynamic calculation model that can reflect the aggregate character of farmland grading is also set up in the paper.

建立了更能体现定级因素、因子总体特征的总分值动态计算模型，使定级结果更加符合农用土地的实际情况。

9·Effect of grading distribution of coarse aggregate on flexural strength of road concrete;

道路碾压混凝土在我国路基路面工程中具有较好的应用前景。