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Mix design methodology of hot mix asphalt with high content of reclaimed asphalt pavement

Metodologija projektovanja vrućih asfaltnih mešavina sa visokim sadržajem struganog asfalta

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Disertacija_11967.pdf (4.373Mb)
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Author
Orešković, Marko
Mentor
Mladenović, Goran
Committee members
Jokanović, Igor
Bressi, Sara
Bueche, Nicolas
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Abstract
Za izgradnju novih puteva koriste se velike količine novog kamenog materijala, filera i novog bitumena. S obzirom da su količine ovih materijala ograničene, dolazi do potrebe za primenom alternativnih materijala, koji će smanjiti njihovu upotrebu ili ih potpuno zameniti. Istovremeno sa tim, usled rekonstrukcije postojećih puteva dolazi do nagomilavanja iskorišćenih materijala, kao i do povećane potrebe za novim materijalima. Ovi problemi mogu biti prevaziđeni ukoliko se koristi strugani asfalt (RAP), materijal koji teorijski može u potpunosti da se ponovo upotrebi (reciklira). Usled prisustva ostarelog bitumena u struganom asfaltu, smanjuje se potreba za novim bitumenom u novoj asfaltnoj mešavini. Zbog toga je najveći potencijal upotrebe struganog asfalta u asfaltnim mešavinama proizvedenim po toplom (WMA) i vrućem postupku (HMA)...
The construction of new roads requires large amounts of virgin aggregate, filler, and virgin bitumen (VB). As these materials are available in limited quantities, seeking alternative solutions to decrease/replace their usage is inevitable. At the same time, the reconstruction of existing roads results in an increased amount of stockpiled materials and the need for new materials. These issues can be overcome if reclaimed asphalt pavement (RAP)—which is, in principle, a 100%-recyclable material—is partially or completely used in the production of new asphalt mixtures. Because of the presence of aged binder within the RAP (RAPb), the total amount of virgin bitumen that should be added in an asphalt mixture could be decreased; hence, the highest potential of using RAP is within hot mix asphalt (HMA) and warm mix asphalt (WMA)...
Faculty:
University of Belgrade, Faculty of Civil Engineering
Date:
05-02-2021
Projects:
  • Utilization of by-products and recycled waste materials in concrete composites in the scope of sustainable construction development in Serbia: investigation and environmental assessment of possible applications (RS-36017)
Keywords:
: kolovozne konstrukcije, asfaltna mešavina po vrućem postupku (HMA), recikliranje asfalta, strugani asfalt (RAP), agens/aditiv za recikliranje asfalta, projektovanje asfaltnih mešavina, karakteristike asfaltnih mešavina / pavements, Hot Mix Asphalt (HMA), asphalt recycling, Reclaimed Asphalt Pavement (RAP), asphalt recycling agent/additive, mix design methodology, asphalt mixture performance
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_nardus_18839
URI
http://eteze.bg.ac.rs/application/showtheses?thesesId=8427
https://fedorabg.bg.ac.rs/fedora/get/o:24687/bdef:Content/download
http://vbs.rs/scripts/cobiss?command=DISPLAY&base=70036&RID=32587273
https://nardus.mpn.gov.rs/handle/123456789/18839

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