A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Effect of aggregate properties on asphalt mixtures stripping and creep behavior
AbstractThe purpose of this paper is to look at some aspects of the effects of aggregate chemical and physical properties on the creep and stripping behavior of hot-mix asphalt (HMA). Two types of aggregates evaluated in this study were limestone and basalt. The effects of the aggregates type were evaluated on three different aggregate gradations and two types of asphalt used in preparing the HMA. The percent of increase in static creep strain of HMA due to conditioning was utilized in this study to assess the stripping.Test results indicated that unconditioned HMA specimens prepared using basalt aggregate resist creep better than those prepared using limestone. However, after conditioning, mixes prepared using basalt were less resistant to creep strain than those prepared using limestone aggregate. Percent absorbed asphalt was found to be directly related to stripping resistant. Also, mixes prepared using aggregate following ASTM upper limit of dense aggregate gradation presented the highest resistance to stripping. The results of the calculated adhesion work were able to detect the effect of stripping on creep behavior for mixes prepared.
Effect of aggregate properties on asphalt mixtures stripping and creep behavior
AbstractThe purpose of this paper is to look at some aspects of the effects of aggregate chemical and physical properties on the creep and stripping behavior of hot-mix asphalt (HMA). Two types of aggregates evaluated in this study were limestone and basalt. The effects of the aggregates type were evaluated on three different aggregate gradations and two types of asphalt used in preparing the HMA. The percent of increase in static creep strain of HMA due to conditioning was utilized in this study to assess the stripping.Test results indicated that unconditioned HMA specimens prepared using basalt aggregate resist creep better than those prepared using limestone. However, after conditioning, mixes prepared using basalt were less resistant to creep strain than those prepared using limestone aggregate. Percent absorbed asphalt was found to be directly related to stripping resistant. Also, mixes prepared using aggregate following ASTM upper limit of dense aggregate gradation presented the highest resistance to stripping. The results of the calculated adhesion work were able to detect the effect of stripping on creep behavior for mixes prepared.
Effect of aggregate properties on asphalt mixtures stripping and creep behavior
Abo-Qudais, Saad (author) / Al-Shweily, Haider (author)
Construction and Building Materials ; 21 ; 1886-1898
2005-07-31
13 pages
Article (Journal)
Electronic Resource
English
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