为探讨油石比和空隙率对沥青混合料高温性能的影响，对AC - 20改进型沥青混合料进行单轴静载蠕变试验研究。
A static uniaxial creep test is implemented to investigate the influence of the void ratio and the asphalt-aggregate ratio on the stability at high temperature of modified AC-20I asphalt mixture.
各组分可有悬殊的重量比，干粉状物料混合率达99.9%以上，是目前各种混合机中的最理想的产品；
Compositions are allowed to have distinguished weight ratio. the dry powder material has a mixing ratio up to 99.9% or more as an optimal product among present various mixers;
利用这四种菌构建高效混合菌群，筛选出最优混合菌G8，对石油的去除率达到68.76%，比单菌株提高了近30%。
The optimal mixed strains G8 was selected and its oil removal ratio is 68.76%, nearly 30% higher than the single strains.
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