弗雷特法在高速公路交通量调查中的应用

Application of Fratar Method to Distribution of Traffic Volume

分析路面损坏的原因和损坏速率 ,建立使用性能评估模型等 ,常需要采集路段上的各种交通信息。目前我国多数高等级公路电子收费系统 (ETC)中没有 OD调查功能 ,而且常规 OD调查方法过于费时费力。鉴于此本文提出采用弗雷特 (Fratar)法对高等级公路已发生的交通量进行分配 ,从而得到现时 OD矩阵 ,并通过验证 ,认为该方法的误差在

Because of the fact that most of the Electronic Toll Collection system have not the function of Original Destination investigation and the regular OD investigation method is very inconvenient, the author considers that we can distribute traffic volume with Fratar Method to meet the need from analyzing the detriment of pavement and establishing the estimation model