Since the release of the first research version of Mechanistic–Empirical Pavement Design Guide software, the State of Louisiana has conducted a series of studies in preparation for adopting the new AASHTO design guide. The objective of this study was to develop an implementation guideline for the full implementation of the AASHTOWare Pavement ME Design program (Pavement ME) in Louisiana. For this purpose, a Louisiana default input strategy that reflected state and local conditions and practices was first developed. Design reliability and performance criteria were established on the basis of a consensus survey and pavement management system (PMS) distress triggers. A total of 162 projects were selected from the existing Louisiana highway network, including flexible pavements with five types of base, rigid pavements with three types of base, and rehabilitation with asphalt overlays. Performance data were retrieved from the PMS database and validated through additional field performance surveys. Through comparison of the performance predicted by the Pavement ME with the measured performance recorded in the PMS database, distress models were evaluated and calibrated according to local Louisiana conditions. Subsequently, a Louisiana Pavement ME Design Guideline that contains all necessary design input information and calibration coefficients was developed. Finally, the practical and economic benefits of the full implementation of the Pavement ME for Louisiana pavement design were demonstrated by a direct comparison with the current 1993 AASHTO design method through a group of thickness design examples and life-cycle cost analyses.
Research Implementation of AASHTOWare Pavement ME Design in Louisiana
Transportation Research Record
2016-01-01
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Research Implementation of AASHTOWare Pavement ME Design in Louisiana
Online Contents | 2016
|Concrete Pavement Design Analysis Using AASHTOWare Pavement Mechanistic-Empirical Design Software
Transportation Research Record | 2024
|Updates to Hourly Climate Data for Use in AASHTOWare Pavement Mechanistic–Empirical Design
Transportation Research Record | 2017
|Developing an Automated Technique to Calibrate the AASHTOWare Pavement ME Design Software
Transportation Research Record | 2020
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