field percent air voids 现场空隙率
Both degree of compaction and percent air voids designed in bituminous mixtures have key influence on compaction.
压实度和沥青混合料设计空隙率都对路面的压实起着重要的作用。
The base has bigger percent air voids and can promptly detain pavement interior water, and can effectively reduce the reflection crack.
这种基层具有较大的空隙率，能及时排走滞留在路面内部的水分，并能有效地减少反射裂缝的发生。
According to the permeability plots of typical mixture, presents the control standard of percent air voids for request of permeability.
进而针对典型的沥青混合料，提出基于满足渗水要求的临界空隙率控制标准。
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