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5 问题讨论 5.1 正确评定压实混合料空隙率V_a 空隙率是SMA队混合料一项最重要的指标,关系到混合料各个方面性能。压实沥青混合料的空隙率由下式计算:
5 Discussion of the problem 5.1 Correct assessment of the void content of compacted mixture V_a void content is one of the most important indicators of the SMA team mixture and affects all aspects of the performance of the mixture. The void fraction of compacted asphalt mixture is calculated as follows: