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结合海南岛典型的热带季风海洋性气候,以AC-13型沥青混合料的矿料级配主要控制筛孔9.5 mm、4.75 mm、2.36 mm、0.075 mm和油石比组成5个因数,《沥青路面施工技术规范》(JTJ F40-2004)中AC-13型沥青混合料的矿料级配范围对应筛孔取上限、上中值、中值、下中值和下限等5个通过率作为5个水平,采用正交试验方法对AC-13型沥青混合料的矿料级配区域进行优化设计。
Combining with the typical tropical monsoon climate of Hainan Island, the factors of 9.5 mm, 4.75 mm, 2.36 mm and 0.075 mm are mainly controlled by the gradation of AC-13 asphalt mixture. The asphalt pavement Construction Technology Code "(JTJ F40-2004) AC-13 type asphalt mixture of ore grading range corresponds to the sieve to take the upper limit, upper median, median, lower median and lower 5 pass rate as 5 Level, using orthogonal test method to optimize the design of the gradation area of the aggregate of AC-13 asphalt mixture.