A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fatigue and rutting performance of lime-modified hot-mix asphalt mixtures
Highlights ► We carried out investigating the effect of lime on composite hot-mix asphalt (HMA) mixtures using viscoelastic continuum damage (VCD) analysis. ► The VCD analysis is based on predicting the effective stress vs. strain equations and microcrack growth. ► Furthermore, the performance characteristics evaluated in this study included fatigue cracking and rutting resistance. ► The main contribution is the demonstration of advanced test methods and models that can be used to evaluate the performance of various mixtures.
Abstract This paper describes the effect of lime on composite hot-mix asphalt (HMA) mixtures of aggregate and asphalt binder evaluated using viscoelastic continuum damage analysis, which is based on predicting the effective stress vs. strain equations and microcrack growth. The performance characteristics evaluated in this study included fatigue cracking and rutting resistance in both moisture-damaged and undamaged states. The test methods used in this evaluation were the dynamic modulus test for stiffness characterization, the direct tension test for fatigue cracking characterization, and the triaxial repeated-load permanent deformation test for rutting characterization. The main contribution of this paper is the demonstration of advanced test methods and models that can be used to evaluate the performance of various mixtures with respect to the fatigue damage and rutting performance.
Fatigue and rutting performance of lime-modified hot-mix asphalt mixtures
Highlights ► We carried out investigating the effect of lime on composite hot-mix asphalt (HMA) mixtures using viscoelastic continuum damage (VCD) analysis. ► The VCD analysis is based on predicting the effective stress vs. strain equations and microcrack growth. ► Furthermore, the performance characteristics evaluated in this study included fatigue cracking and rutting resistance. ► The main contribution is the demonstration of advanced test methods and models that can be used to evaluate the performance of various mixtures.
Abstract This paper describes the effect of lime on composite hot-mix asphalt (HMA) mixtures of aggregate and asphalt binder evaluated using viscoelastic continuum damage analysis, which is based on predicting the effective stress vs. strain equations and microcrack growth. The performance characteristics evaluated in this study included fatigue cracking and rutting resistance in both moisture-damaged and undamaged states. The test methods used in this evaluation were the dynamic modulus test for stiffness characterization, the direct tension test for fatigue cracking characterization, and the triaxial repeated-load permanent deformation test for rutting characterization. The main contribution of this paper is the demonstration of advanced test methods and models that can be used to evaluate the performance of various mixtures with respect to the fatigue damage and rutting performance.
Fatigue and rutting performance of lime-modified hot-mix asphalt mixtures
Lee, Sangyum (author) / Mun, Sungho (author) / Richard Kim, Y. (author)
Construction and Building Materials ; 25 ; 4202-4209
2011-04-22
8 pages
Article (Journal)
Electronic Resource
English
Fatigue and rutting performance of lime-modified hot-mix asphalt mixtures
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