Consideration of temperature at the moduli of asphalt layers for a suggested mechanistic overlay design method

Soós, Zoltán (2017) Consideration of temperature at the moduli of asphalt layers for a suggested mechanistic overlay design method. Pollack Periodica, 12 (1). pp. 93-106. ISSN 1788-1994

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Abstract

The paper addresses the determination of a stiffness-temperature correction model for the use in a mechanistic overlay design method, developed at the Department of Highway and Railway Engineering, Budapest University of Technology and Economics. Eleven models are selected and evaluated based on 215 laboratory stiffness test results at various temperatures of 47 different AC22 binder course type mixes. As the results showed, for the rough temperature correction of Hungarian binder course mixes for the use in the proposed design method; the model used by the AASHTO 1993 pavement design method is most accurate based on the standard error of the estimate of the selected models.

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