Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Rutting performance of asphalt-rubber gap-graded mixtures: evaluation through statistical and reliability approaches
The objective of this study was to evaluate the rutting performance of asphalt-rubber gap-graded (AR-Gap) mixtures using wheel tracking tests and further explain the permanent deformation characteristics of those special materials through statistical and reliability approaches. A total of 28 asphalt mixtures covering over 200,000 data points were utilised, including: 27 AR-Gap mixtures and one conventional dense-graded (DG) mixture. Statistical analysis confirmed the significance of binder type, aggregate gradation, and binder content on the superior rutting resistance of AR-Gap mixtures than the DG mix. Selection of the best combination of all the three variables resulted in a significantly rut-resistant AR-Gap mixture. Reliability analysis on mixtures’ rutting performance was accomplished using Weibull distribution function. Weibull model parameters and derived factors aided in a better interpretation of the rutting performance of AR-Gap mixtures. Overall, it is envisaged that this research study would further the state-of-the-art in designing rut-resistant asphalt-rubber gap-graded mixtures.
Rutting performance of asphalt-rubber gap-graded mixtures: evaluation through statistical and reliability approaches
The objective of this study was to evaluate the rutting performance of asphalt-rubber gap-graded (AR-Gap) mixtures using wheel tracking tests and further explain the permanent deformation characteristics of those special materials through statistical and reliability approaches. A total of 28 asphalt mixtures covering over 200,000 data points were utilised, including: 27 AR-Gap mixtures and one conventional dense-graded (DG) mixture. Statistical analysis confirmed the significance of binder type, aggregate gradation, and binder content on the superior rutting resistance of AR-Gap mixtures than the DG mix. Selection of the best combination of all the three variables resulted in a significantly rut-resistant AR-Gap mixture. Reliability analysis on mixtures’ rutting performance was accomplished using Weibull distribution function. Weibull model parameters and derived factors aided in a better interpretation of the rutting performance of AR-Gap mixtures. Overall, it is envisaged that this research study would further the state-of-the-art in designing rut-resistant asphalt-rubber gap-graded mixtures.
Rutting performance of asphalt-rubber gap-graded mixtures: evaluation through statistical and reliability approaches
Venudharan, Veena (Autor:in) / Biligiri, Krishna Prapoorna (Autor:in)
Road Materials and Pavement Design ; 21 ; S2-S18
14.09.2020
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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