Taken into account the fact that aggregates absorb pitch, required abilities to resist high temperature track and penetration could be gained by controlling interspace ratio (4%).
考虑集料对沥青的吸收，用混合料的设计空隙率（4％）控制混合料的高温抗车辙能力与渗水性。
2
One is Q, the ratio of voids content 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；
3
In this paper, the test results of mixture ratio of the concrete using recycled aggregates (crushed concrete rubbles or crushed bricks) are given.