摘要:Because of the large load and large impact force of airport pavement under, it often appears the phenomenon of serious rut. In order to improve this kind of phenomenon, combined with the taxiway of HuangHua Airport area reconstruction project, we analyze the upper layer type of SMA-13 modified asphalt mixture ratio design. we analysis from raw material selection, mixture gradation design and admixture added, and finally choose the excellent performance of asphalt mixture.