{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T13:52:04Z","timestamp":1772718724127,"version":"3.50.1"},"reference-count":29,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2020,10,6]],"date-time":"2020-10-06T00:00:00Z","timestamp":1601942400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sustainability"],"abstract":"<jats:p>Some research projects have studied full recycling of reclaimed asphalt pavement (RAP). Several additives have been used to rejuvenate the RAP\u2019s aged bitumen. The authors previously studied full recycling of RAP rejuvenated with waste cooking oil (WCO). The asphalt concrete (AC) manufactured revealed good mechanical behaviour except for rutting resistance. Therefore, they decided to also include in the asphalt mixtures low density polyethylene (LDPE) from urban waste as a low-cost polymer to improve that weak point and verify if this technique was feasible and with potential as a pavement material. A laboratory plan was conceived to evaluate the mechanical performance of two rejuvenated ACs with WCO and LDPE. Stiffness, water sensitivity, resistance to rutting and fatigue cracking were evaluated. The results showed that, despite some empirical parameters usually indicated in current specifications not being met, the performance of the studied asphalt mixtures was adequate and, thus, there are good expectations about the future use of these solutions in real pavements, particularly for low and intermediate traffic levels. Based on a global analysis of the performance observed, the main conclusion was that full recycling of AC with WCO and LDPE is feasible, and the score obtained was higher than that of a conventional AC used for comparison.<\/jats:p>","DOI":"10.3390\/su12198222","type":"journal-article","created":{"date-parts":[[2020,10,6]],"date-time":"2020-10-06T10:46:17Z","timestamp":1601981177000},"page":"8222","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":34,"title":["Full Recycling of Asphalt Concrete with Waste Cooking Oil as Rejuvenator and LDPE from Urban Waste as Binder Modifier"],"prefix":"10.3390","volume":"12","author":[{"given":"Carlos","family":"Rodrigues","sequence":"first","affiliation":[{"name":"Instituto Superior de Engenharia de Coimbra, Instituto Polit\u00e9cnico de Coimbra, Rua Pedro Nunes, 3030-199 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6615-3008","authenticated-orcid":false,"given":"Silvino","family":"Capit\u00e3o","sequence":"additional","affiliation":[{"name":"Instituto Superior de Engenharia de Coimbra, Instituto Polit\u00e9cnico de Coimbra, Rua Pedro Nunes, 3030-199 Coimbra, Portugal"},{"name":"CERIS\u2014Civil Engineering Research and Innovation for Sustainability, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2072-3188","authenticated-orcid":false,"given":"Lu\u00eds","family":"Picado-Santos","sequence":"additional","affiliation":[{"name":"CERIS\u2014Civil Engineering Research and Innovation for Sustainability, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5193-4896","authenticated-orcid":false,"given":"Arminda","family":"Almeida","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia Civil, Universidade de Coimbra, Rua Lu\u00eds Reis Santos, 3030-788 Coimbra, Portugal"},{"name":"CITTA\u2014Centro de Investiga\u00e7\u00e3o do Territ\u00f3rio, Transportes e Ambiente, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2020,10,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"453","DOI":"10.1016\/j.conbuildmat.2019.03.258","article-title":"A review on the effect of RAP recycling on bituminous mixtures properties and the viability of multi-recycling","volume":"211","author":"Antunes","year":"2019","journal-title":"Constr. Build. Mater."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"39","DOI":"10.1080\/10298436.2014.893331","article-title":"Review of very high-content reclaimed asphalt use in plant-produced pavements: State of art","volume":"16","author":"Zaumanis","year":"2014","journal-title":"International J. Pavement Eng."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/j.jclepro.2016.05.093","article-title":"Towards 100% recycling of reclaimed asphalt in road courses binder design methodology and case studies","volume":"131","author":"Airey","year":"2016","journal-title":"J. Clean. Prod."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1080\/10298436.2011.587009","article-title":"Design of hot mix recycled asphalt concrete produced in plant without preheating the reclaimed material","volume":"14","author":"Baptista","year":"2013","journal-title":"IJPE\u2014Int. J. Pavement Eng."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"1159","DOI":"10.1061\/(ASCE)TE.1943-5436.0000190","article-title":"Assessment of the use of hot mix recycled asphalt concrete in plant","volume":"136","author":"Baptista","year":"2010","journal-title":"ASCE J. Transp. Eng."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"78","DOI":"10.1016\/j.conbuildmat.2016.11.051","article-title":"Mechanical properties of warm-mix asphalt concrete containing different additives and recycled asphalt as constituents applied in real production conditions","volume":"131","author":"Martinho","year":"2017","journal-title":"Constr. Build. Mater."},{"key":"ref_7","doi-asserted-by":"crossref","unstructured":"Martinho, F., Picado-Santos, L., and Capit\u00e3o, S. (2018). Feasibility assessment of the use of recycled aggregates for asphalt mixtures. Sustainability, 10.","DOI":"10.3390\/su10061737"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"753","DOI":"10.1080\/10298436.2018.1508845","article-title":"Tecnico accelerated ageing (TEAGE)\u2014A new laboratory approach for bituminous mixture ageing simulation","volume":"21","author":"Crucho","year":"2018","journal-title":"Int. J. Pavement Eng."},{"key":"ref_9","doi-asserted-by":"crossref","unstructured":"Hunter, R., Self, A., and Read, J. (2015). The Shell Bitumen Handbook, Shell Bitumen by ICE Publishing. [6th ed.].","DOI":"10.1680\/tsbh.58378"},{"key":"ref_10","unstructured":"Carraher, C. (2003). Seymour\/Carraher\u2019s Polymer Chemistry, Marcel Dekker. [6th ed.]."},{"key":"ref_11","first-page":"157","article-title":"Influence of rejuvenators on bitumen ageing in hot recycled asphalt mixtures","volume":"5","author":"Mazzoni","year":"2018","journal-title":"J. Traffic Transp. Eng. (Engl. Ed.)"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"2475","DOI":"10.1617\/s11527-014-0332-5","article-title":"Evaluation of different recycling agents for restoring aged asphalt binder and performance of 100 % recycled asphalt","volume":"48","author":"Zaumanis","year":"2015","journal-title":"Mater. Struct."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1061\/(ASCE)0899-1561(2003)15:2(157)","article-title":"Application of FTIR-ATR to characterization of bitumen rejuvenator diffusion","volume":"15","author":"Karlsson","year":"2003","journal-title":"J. Mater. Civ. Eng."},{"key":"ref_14","unstructured":"Al-Qadi, I., Elseifi, M., and Carpenter, S. (2007). Reclaimed Asphalt Pavement\u2014A Literature Review, Illinois Center for Transportation. Report No. FHWA- ICT-07-001."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"398","DOI":"10.1016\/j.conbuildmat.2012.07.042","article-title":"Investigation on physical properties of waste cooking oil\u2014Rejuvenated bitumen binder","volume":"37","author":"Asli","year":"2012","journal-title":"Constr. Build. Mater."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"254","DOI":"10.1016\/j.jhazmat.2012.06.021","article-title":"Investigation of the possibility of using waste cooking oil as a rejuvenating agent for aged bitumen","volume":"233\u2013243","author":"Zargar","year":"2012","journal-title":"J. Hazard. Mater."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1016\/j.conbuildmat.2014.02.032","article-title":"High temperature properties of rejuvenating recovered binder with rejuvenator, waste cooking and cotton seed oils","volume":"59","author":"Chen","year":"2014","journal-title":"Constr. Build. Mater."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"218","DOI":"10.1016\/j.conbuildmat.2016.09.032","article-title":"Chemical modification of waste cooking oil to improve the physical and rheological properties of asphalt binder","volume":"126","author":"Azahar","year":"2016","journal-title":"Constr. Build. Mater."},{"key":"ref_19","doi-asserted-by":"crossref","unstructured":"Zhang, D., Chen, M., Wu, S., Liu, J., and Amirkhanian, S. (2017). Analysis of the relationships between waste cooking oil qualities and rejuvenated asphalt properties materials. J. Hazard. Mater., 10.","DOI":"10.3390\/ma10050508"},{"key":"ref_20","first-page":"111","article-title":"The potential of waste cooking oil as bio-asphalt for alternative binder\u2014An overview","volume":"78","author":"Azahar","year":"2016","journal-title":"J. Teknol."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"198","DOI":"10.1016\/j.egypro.2014.01.022","article-title":"A pilot-scale study of waste vegetable oil transesterification with alkaline and acidic catalysts","volume":"45","author":"Carlini","year":"2014","journal-title":"Energy Procedia"},{"key":"ref_22","unstructured":"Fernandes, F., Picado-Santos, L., and Capit\u00e3o, S. (2019). Total recycling of bituminous mixtures using cooking oil as a rejuvenator. Proceedings of the 9\u00ba Congresso Rodovi\u00e1rio Portugu\u00eas, Lisboa, Portugal, 28\u201330 May 2019, Centro Rodovi\u00e1rio Portugu\u00eas. (In Portuguese)."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"592","DOI":"10.1016\/j.conbuildmat.2014.09.067","article-title":"Performance evaluation of bitumen by various types of waste plastics","volume":"73","author":"Ahmedzace","year":"2014","journal-title":"Constrution Build. Mater."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"114","DOI":"10.1016\/j.conbuildmat.2017.10.034","article-title":"A simple interpretation of the effect of the polymer type on the properties of PMBs for road paving applications","volume":"198","author":"Saroufim","year":"2018","journal-title":"Constr. Build. Mater."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1016\/j.conbuildmat.2018.11.279","article-title":"Using waste polymers as a reliable alternative for asphalt binder modification\u2014Performance and morphological assessment","volume":"198","author":"Costa","year":"2019","journal-title":"Constr. Build. Mater."},{"key":"ref_26","doi-asserted-by":"crossref","unstructured":"Almeida, A., Capit\u00e3o, S., Bandeira, R., and Fonseca, M. (2020). Performance of AC mixtures containing flakes of LDPE plastic film collected from urban waste considering ageing. Constr. Build. Mater., 232.","DOI":"10.1016\/j.conbuildmat.2019.117253"},{"key":"ref_27","unstructured":"IP (2014). Paving Materials Specifications, Infraestruturas de Portugal, Infraestruturas de Portugal. (In Portuguese)."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1016\/j.conbuildmat.2018.06.052","article-title":"Mechanical performance of asphalt concrete modified with nanoparticles: Nanosilica, zero-valent iron and nanoclay","volume":"181","author":"Crucho","year":"2018","journal-title":"Constr. Build. Mater."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"539","DOI":"10.1016\/j.conbuildmat.2017.11.081","article-title":"Asphalt rubber concrete fabricated by the dry process: Laboratory assessment of resistance against reflection cracking","volume":"160","author":"Silva","year":"2018","journal-title":"Constr. Build. 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