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1·A technology system of concrete multi-aggregate gradation is provided.

提出一种混凝土多元骨料级配的技术体系。

2·The result indicated that the aggregate gradation has a remarkable effect on the compression strength.

结果表明，集料级配对二灰碎石的抗压强度有显著影响；

3·Vitrified microsphere; expanded perlite; insulating mortar; aggregate gradation; mechanical property; insulation property; workability;

玻化微珠； 膨胀珍珠岩； 保温砂浆； 骨料级配； 力学性能； 保温性能； 工作性；

4·For analyzing the influence of aggregate gradation on the concrete behavior, the grain-spring model of discrete element method is presented.

分析的具体行为的影响骨料级配，颗粒-弹簧模型离散元方法。

5·The results showed that at normal temperature the splitting strength of the asphalt mixture increases when the aggregate gradation becomes coarse;

低温下，随着油石比增大，沥青混合料劈裂强度和劲度模量增大，破坏应变减小；随着空隙率的增大，沥青混合料劈裂强度减小；

6·Aggregate gradation of pavement mixture is one of the important parts of the engineering design, it can affect the quality and the cost of the project.

路面混合料矿料级配组成设计是工程设计的重要组成部分，直接影响工程质量和工程造价。

7·Then, it makes target mixture proportion design to study on the aggregate gradation scope, optimum asphalt content of mixture, the temperature and time of curing.

然后，对确定配合比例的国产环氧沥青进行混合料目标配合比设计，确定了矿料的级配范围、混合料的最佳油石比以及高温固化温度、时间等参数。

8·Experiment steps as following: at first, this paper has studied aggregate gradation to ensure which kind of coarse aggregates to contribute more for high temperature stability.

试验按照如下过程进行：首先对骨料级配进行探索，为了能确定哪一级粗集料对高温稳定性贡献较大。

9·How to determine the stability, flow value, how to choose an advisable void volume and what kind of mineral aggregate gradation is adopted are the key problems in Max ratio test.

如何准确测定稳定度和流值、如何选择合理的空隙率以及采用何种矿料级配是沥青混凝土配合比试验的关键问题。

10·Besides, based on the research at home and abroad, we proposed design and evaluation method of asphalt treated base aggregate gradation and mixture design method of asphalt treated mixture.

在国内外沥青稳定碎石研究的基础上，给出了功能层混合料矿料级配组成的设计和评价方法及功能层混合料配合比设计方法。