For the airport pavement smoothness,the related standards at home and abroad only give a general provision,but do not distinguish different importances of different parts.In fact,the same pavement roughness level can cause quite different bumpiness effects under different plane taxiing states.To solve this problem,the whole aircraft model was used to establish the aircraft-road surface vibration equation.Based on this equation,the uneven deformation pavement simulink simulation evaluation system was constructed.Then,the plane vertical acceleration of 0.4g was taken as the evaluation standard,the above simulation evaluation system was employed to solve the vibration responses of road surfaces with different flatness levels.Three representative speeds during planes taxiing were chosen,they were 0.2v0,0.5v0and 0.8v0.The analysis results showed that three representative speeds under the most unfarorable wave length condition of 3 m lead to,the pavement’s maximum allowable deformation amplitudes to be 0.05 m,0.027 m and 0.023 m,respectively.This conclusion provided an important basis for the flatness analysis of airportpavement’s different parts.
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