基于基层疲劳等效的轴数系数与轮组系数研究

为了提高路面结构设计的合理性，利用BISAR程序，以基层疲劳破坏作为等效准则，计算并分析我国轴载换算公式中的轴数系数与轮组系数在不同基层（柔性基层、半刚性基层、刚性基层）的沥青路面中的取值状况，并与我国及美国AASHTO设计指南中的相关系数进行分析比较，提出不同基层沥青路面在轴载换算中的轴数系数和轮组系数的建议值。

Study on the Axle Number Coefficient and Wheel Group Coefficient Based on the Basic Level of Fatigue Equivalent

In order to improve the rationality of the design of pavement structure, by using BISAR procedures and taking the basic fatigue failure as equivalent criterion, this paper calculates and analyzes the taking values of the axle number coefficient and wheel group coefficients of the axle load conversion in the Chinese formula for the different bases （flexible base, semi-rigid base and rigid base ） of asphalt pavement. Furthermore, comparatively analyzing the relevant coefficients in the AASHTO design guidelines between our country and America, it also puts forward some recommended values of the axle number coefficient and wheel group coefficients in the axle load conversion of different bases of asphalt pavement.