密级配沥青碎石混合料矿料级配范围 级配类型 通过下列筛孔 (mm)的质量百分率 (%) 53 37.5 31.5 26.5 19 16 13.2 9.5 4.75 2.36 1.18 0.6 0.3 0.15 0.075 特粗式 ATB-40 100 90-100 75-92 65-85 49-71 43-63 37-57 30-50 20-40 15-32 10-25 8-18 5-14 3-10 2-6 ATB-30 100 90-100 70-90 53-72 44-66 39-60 31-51 20-40 15-32 10-25 8-18 5-14 3-10 2-6 粗粒式 ATB-25 100 90-100 60-80 48-68 42-62 32-52 20-40 15-32 10-25 8-18 5-14 3-10 2-6