Calibration of material models for estimating impact of construction quality on life cycle performance of pavements.
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2006-02-01
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Abstract:Constructing a pavement that will perform well throughout its expected design life is the main goal of any highway agency. The relationship between construction parameters and pavement life, defined by structural models, can be described using material models. An algorithm that can model the complexity and identify construction parameters that affect the stiffness and consequently remaining life of the pavement system has been developed. Such an algorithm can provide contractors with the ability to concentrate on the parameters that can significantly improve the quality of the pavement. By reducing variability of construction parameters and by improving the material stiffness, one can thereby statistically minimize the impact of construction activities on pavement deterioration. In this report, the process used to calibrate material models that relate the construction parameters to moduli has been carried out.
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