Aiming at the existing problems of the pavement design in present standard, a detailed three-dimensional finite element (3D FE) model was used to investigate the coefficient of thermal stresses (Bx).

• 针对现行规范路面设计中存在的问题,利用3D有限元,在分析影响板边温度翘曲应力参数敏感性基础上,建立温度翘曲应力经验公式。