graded aggregate base

基本解釋

The structure forms and the construction craft of unbound graded aggregate base are analysed. It will be of some use in unbound graded base which are used for base of road.
深入分析了級配碎石基層的路面結構形式和施工工藝，對級配碎石廣泛應用于路面基層具有一定的指導意義。
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.
本文結合浦南路實測資料，提出了多雨潮濕地區(qū)級配碎石的設計指標、材料技術要求、級配范圍要求。