According to a section of the old cement concrete pavement project in National Road 206 route
this paper investigates
analyzes
and examines the operational conditions of this old pavement
and presents the effective additional spreading course structure on the old cement pavement
and design measures of the pavement drainage system and pavement structure drainage system through the comparison and choice of the project construction program
which have instructive meaning for the structure design of the additional spreading course of the aged cement concrete pavement