The results show that best permanent deformation resistance can be got when continuous densegradation, which has even arrangement of coarse and fine aggregate is adopted.
结果表明，采用粗细集料搭配均匀的连续密级配和适中的沥青用量可以获得最佳的抗永久变形能力。
2
Through a great number of Pu-Nan experiment datas, the pater put forward to the mixture design method, requirement of aggregate, gradation of mixture for dense graded aggregate base.
本文结合浦南路实测资料，提出了多雨潮湿地区级配碎石的设计指标、材料技术要求、级配范围要求。
3
The paper introduced the application of dense modified bitumen mixture to Fenliu Expressway, mainly discussed technical index of modified bitumen and the gradation scope of dense bitumen mixture etc.