A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluation of Shear Creep Response of Recycled Asphalt Shingle Mixtures
In this research, shear creep response of recycled asphalt shingles (RAS) stabilized with self-cementing fly ash (FA) and RAS mixed with bottom ash (BA) were investigated. Systematic constant stress consolidated-drained triaxial tests were conducted on compacted RAS:BA mixtures and fly ash stabilized RAS at different deviator stress levels, temperatures and confining pressures. Creep rupture was observed at deviator stress levels higher than 80% of the deviator stress at failure. Strain rate also increased as an exponential function of temperature. In designing side slopes of highway embankments containing RAS, the maximum deviator stress obtained from the triaxial compression test should be reduced by at least 20% to prevent the creep rupture. Construction of embankment fills containing RAS is recommended during warm seasons to minimize long term creep deformation of the embankment side slopes.
Evaluation of Shear Creep Response of Recycled Asphalt Shingle Mixtures
In this research, shear creep response of recycled asphalt shingles (RAS) stabilized with self-cementing fly ash (FA) and RAS mixed with bottom ash (BA) were investigated. Systematic constant stress consolidated-drained triaxial tests were conducted on compacted RAS:BA mixtures and fly ash stabilized RAS at different deviator stress levels, temperatures and confining pressures. Creep rupture was observed at deviator stress levels higher than 80% of the deviator stress at failure. Strain rate also increased as an exponential function of temperature. In designing side slopes of highway embankments containing RAS, the maximum deviator stress obtained from the triaxial compression test should be reduced by at least 20% to prevent the creep rupture. Construction of embankment fills containing RAS is recommended during warm seasons to minimize long term creep deformation of the embankment side slopes.
Evaluation of Shear Creep Response of Recycled Asphalt Shingle Mixtures
Soleimanbeigi, A. (author) / Edil, T. B. (author)
Geo-Congress 2013 ; 2013 ; San Diego, California, United States
Geo-Congress 2013 ; 92-96
2013-02-25
Conference paper
Electronic Resource
English
Dams , Recycling , Geotechnical engineering , Creep , Slopes , Embankments , Rehabilitation , Asphalts , Soil stabilization , Mixtures
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