In this paper, based on systematic test on different bitumen mixtures of gradation, the deformation behaviour of asphalt mixtures is analyzed under high temperature.
本文通过对不同级配形式的沥青混合料的系统试验研究，全面分析了沥青混合料高温变形特性。
2
Based upon the investigation, the paper analyses process and equipment of SBS modified bitumen waterproof roll production and some Suggestions are made.
本文在调查的基础上，对SBS改性沥青防水卷材生产工艺、设备进行了分析研究，并提出了建议。
3
For the example of bitumen concrete surface, the paper analyzed the relation between elevation and thickness, introduced the control of elevation and thickness.