Incorporating variability into life cycle cost analysis and pay factors for performance-based specifications

A model has been previously developed to indicate how overlay thickness, total prior cracking, annual freeze index, annual days with precipitation, and accumulated equivalent single axle loads (ESALs) after eight years affect pavement deterioration, in terms of roughness, for asphalt overlay pavements. This paper uses the specified model, as well as data from the Canadian Long Term Pavement Performance test sites, to determine the service life. …