| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bańkowski, Wojciech
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2023Analysis of selected mechanical properties of mineral-cement-emulsion mixtures (MCE)citations
- 2018Design and verification of bituminous mixtures with the increased content of reclaimed asphalt pavementcitations
- 2017Thermal and fatigue evaluation of asphalt mixtures containing RAP treated with a bio-agentcitations
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article
Thermal and fatigue evaluation of asphalt mixtures containing RAP treated with a bio-agent
Abstract
Environment conservation and diminishing natural resources caused an increase inpopularity of the application of renewable bio-origin resources for the construction of road pavement.Currently, there are known additions of bio-origin materials for bitumen modification. Such materialis also used as a flux additive for bitumen or as a rejuvenator once working with reclaimed asphaltpavement (RAP). This paper presents research dealing with asphalt mixtures with RAP modifiedwith a bio-agent of rapeseed origin. The main idea of the conducted research was to apply more RAPcontent directly to the batch mix plant without extra RAP heating. The RAP used in this study wasmilled from a base asphalt layer; the addition of RAP stiffens new asphalt mixtures. A bio-agent, dueto its fluxing action, was used to support the asphalt mixing process and to decrease the over-stiffeningof the mixture caused by RAP addition. This research includes bitumen and mixture tests. For thebitumen study, three different bitumens (35/50, 50/70, and 70/100) were tested in a dynamic shearrheometer (DSR) for complex modulus G* and for phase angle | in the temperature range 0–100 C.The reference mixture and mixtures with 2.5% bio-agent were tested to assess the influence of RAPand the bio-agent addition on the asphalt mixture properties. Low temperature behavior (TSRST),stiffness, and fatigue resistance (4PB) were tested. Based on the bitumen test, it was determined thateven a low rate of bio-agent (2.5%) beneficially changes bitumen properties at a low temperature;moreover, polymerization processes occurring in the second stage of the process improves bitumenproperties at a high operational temperature. The research with these asphalt mixtures demonstratesthat the bio-origin flux acts as a rejuvenator and allows for an application of 30% cold RAP. Thermalcracking resistance of the mixture with RAP and 2.5% bio-agent improved. The bio-agent removesunfavorable stiffening of RAP and increases the fatigue resistance of the asphalt mixture.