沥青面层永久变形计算中有关参数的确定方法

A Method of Determining the Relevant Parameters in the Calculation of Pavement Deformation of Bituminous Surface

本文介绍采用弹粘性层状体系理论进行沥青路面车辙计算中有关参数的确定方法,列举了全国各省、市、自冶区首府的年有效气温MAAT_(eff)和沥青面层各亚层的有效温度T_(eff)的计算结果,供使用。文中以广东惠州半刚性基层沥青路面试验路为例,确定其有关参数,将计算得的沥青面层永久变形值与埋设于路上的位移计实测值作了比较。证明结果符合实际。

This paper presents a method of determining the relevant parameters in the calculation of ruts of bituminous surface using the theory of the elastovisco layer system, For applications, calculating results of the annual effective temperature. MAAT_(eff) of the capitals of various cities, provinces and autonomus regions throughout the country and the effective temperature T_(eff) of different sub-layers of the bituminous surface are presented. For evalution, the relevant parameters of an expermental bituminous road with semi-rigid base course constructed in Hunechow, Kwangtung, are determined by this method. The calculated value of the permanent deformation of the expermental bituminous surface shows quite agreeable with those measured by the deformeters merged under the surface.