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.
深入分析了级配碎石基层的路面结构形式和施工工艺，对级配碎石广泛应用于路面基层具有一定的指导意义。
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。
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