One is Q, the ratio of voidscontent of coarse aggregates to the volume of mortar.
反映新拌混凝土中砂浆的体积与粗骨料紧密堆积时产生的空隙体积的比值；
2
From this analysis, it appears that the interaction of asphalt content and fine gradation has the most significant effect on the percentage of air voids.