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首先从理论计算入手,根据粗、细集料的物理性质,通过控制路面最终空隙率、矿粉用量和粉胶比等指标找到SMA等嵌挤型混合料结构的粗细集料之间的相关关系,得到细集料用量的计算公式。最后分析了影响细集料用量的相关因素。
First of all, starting from the theoretical calculation, according to the physical properties of coarse and fine aggregate, find the correlation between the coarse and fine aggregate of the SMA and other extrusion-type mixture structure by controlling the final voidage, the amount of slag and the cement ratio , Get the amount of fine aggregate calculation formula. Finally, the factors affecting the amount of fine aggregate are analyzed.