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2013 Brazil - Calibrated Models for Pavement Management Systems


2013  Brazil - Calibrated Models for Pavement Management Systems

One of the key challenges for a road concessionary is to be able to predict its roadway network´s pavement performance with high accuracy, which, in turn, has a significant impact on the pavement management actions to be taken during the concession period. An impediment to a more common use of models to predict a pavement’s performance in Brazil is lack of detailed historical information for calibrating performance models to local conditions. In the case of a concessionary, however, extensive detailed information regarding their roadway network is available. This study was conducted to calibrate pavement performance models in Highway Development and Management Model for the portion of Highway SP-280 under the administration of the concessionary Companhia de Concessões Rodoviárias (CCR) SPVias based on its historical data and to predict future pavement performance based on the calibrated models. Models were calibrated for an asphalt made with rubber modified bitumen and a cape seal and their roughness and cracking parameters progressed with time.

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Created Date: 25-06-2019
Last Updated Date: 21-03-2018