Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Laboratory evaluation of Iraqi asphalt mixtures containing aspha-min as warm mixture additive
Warm mixtures refer to the technology used to produce asphalt mixtures at temperatures lower than the temperatures required to produce hot mixtures asphalt. By using this technology, the fuel amount will be reduced, which shall have a positive effect on the environment. In this study, two types of asphalt mixtures were produced using locally available materials. The first type was hot mixtures asphalt (HMA), while the second type was warm mixtures asphalt (WMA), which also represent asphalt mixes containing 0.3% Aspha-min by the total weight. Several tests were performed to evaluate both types of mixtures including: Marshall Test, moisture sensitivity (Indirect Tensile Strength ratio TSR) tests, and rutting resistance (Wheels Tracking) test. The results have shown that the performance of HMA was better than the performance of WMA in accordance to moisture test. While for rutting re sistance test, both types had the same level of resistance. As for Marshall test results, both types were able to meet the specification limits. Furthermore, the use of hydrated lime as filler material improved moisture and rutting resistance of WMA, where the best results for WMA were obtained.
Laboratory evaluation of Iraqi asphalt mixtures containing aspha-min as warm mixture additive
Warm mixtures refer to the technology used to produce asphalt mixtures at temperatures lower than the temperatures required to produce hot mixtures asphalt. By using this technology, the fuel amount will be reduced, which shall have a positive effect on the environment. In this study, two types of asphalt mixtures were produced using locally available materials. The first type was hot mixtures asphalt (HMA), while the second type was warm mixtures asphalt (WMA), which also represent asphalt mixes containing 0.3% Aspha-min by the total weight. Several tests were performed to evaluate both types of mixtures including: Marshall Test, moisture sensitivity (Indirect Tensile Strength ratio TSR) tests, and rutting resistance (Wheels Tracking) test. The results have shown that the performance of HMA was better than the performance of WMA in accordance to moisture test. While for rutting re sistance test, both types had the same level of resistance. As for Marshall test results, both types were able to meet the specification limits. Furthermore, the use of hydrated lime as filler material improved moisture and rutting resistance of WMA, where the best results for WMA were obtained.
Laboratory evaluation of Iraqi asphalt mixtures containing aspha-min as warm mixture additive
Int. J. Pavement Res. Technol.
Obaid, Hayder Abbas (Autor:in) / Radi, Qosai Sahib (Autor:in) / Dhahir, Mohammed K. (Autor:in)
International Journal of Pavement Research and Technology ; 13 ; 263-268
01.05.2020
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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