Planar Distribution Model of Airport Pavement Traffic Volume

Abstract The current specification of airport pavement design and evaluation had seldom pointed out the longitudinal distribution of airport pavement traffic volume (APTV) except the wheel offset at the edge or the central section of the runway. In this study, the characteristics of APTV were pointed out, which revealed that every point of the pavement had a different traffic volume. Then using the longitudinal traffic factors, the planar distribution model was established. At last, influence factors of APTV including take-off probability ratio at one side, runway length, take-off running distance and lateral distribution were analyzed. Examples and analysis showed that only considering the lateral distribution of APTV would make the pavement design more conservative.