Rheological Performance and Differences between Laboratory-Aged and RAP Bitumen
Traditional recycled asphalt pavement (RAP) binder extraction is not a cost-effective and sustainable option for a quick field study because it requires the use of a huge amount of solvent. Hence, most of the studies on asphalt pavement are carried out with laboratory-aged bitumen in accordance with...
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description | Traditional recycled asphalt pavement (RAP) binder extraction is not a cost-effective and sustainable option for a quick field study because it requires the use of a huge amount of solvent. Hence, most of the studies on asphalt pavement are carried out with laboratory-aged bitumen in accordance with well-established procedures, i.e., the pressure aging vessel (PAV). Unfortunately, some studies highlight the differences between bitumen aged in the laboratory and in service because it is difficult to reproduce extreme conditions such as real conditions, both atmospheric and load; and this also affects the choice and use of rejuvenators, sometimes compromising the interpretation of results. This study aims to compare the thermo-rheological behavior of a 70/100 bitumen aged with the PAV and two different binders extracted by RAPs. The rheological performances of bitumens were compared in temperature and by dynamic oscillatory tests and steady-state tests, resulting in strength and viscosity values higher for samples with RAP binders compared to the PAV sample. The same bitumens were tested with the addition of a 3%
/
of soybean oil (SO). The results show a decrease in the moduli and viscosity at all the temperatures investigated when SO is added to the laboratory-aged bitumen, while no appreciable differences are evident on naturally aged samples added with SO. Differences were evaluated in terms of cross-over frequency and rheological parameters. Furthermore, the SO effect showed substantial differences, especially in viscosity values, indicating that the study of regenerated or modified bitumen from aged bitumen still requires study, as current standard techniques and procedures cannot emulate real aging conditions well. |
doi_str_mv | 10.3390/ma17163954 |
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/
of soybean oil (SO). The results show a decrease in the moduli and viscosity at all the temperatures investigated when SO is added to the laboratory-aged bitumen, while no appreciable differences are evident on naturally aged samples added with SO. Differences were evaluated in terms of cross-over frequency and rheological parameters. Furthermore, the SO effect showed substantial differences, especially in viscosity values, indicating that the study of regenerated or modified bitumen from aged bitumen still requires study, as current standard techniques and procedures cannot emulate real aging conditions well.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma17163954</identifier><identifier>PMID: 39203132</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Aggregates ; Aging ; Asphalt industry ; Asphalt pavements ; Bitumens ; Bituminous materials ; Chemical reactions ; Extreme values ; Laboratories ; Oxidation ; Parameter modification ; Recycling ; Rheological properties ; Rheology ; Soybean ; Triglycerides ; Ultraviolet radiation ; Vegetable oils ; Viscosity</subject><ispartof>Materials, 2024-08, Vol.17 (16), p.3954</ispartof><rights>COPYRIGHT 2024 MDPI AG</rights><rights>2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2024 by the authors. 2024</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c335t-668bb5f924499b5ef7a7eab24945ccf6fffa1fff53d27257ec0c75a9528123493</cites><orcidid>0000-0002-0064-5103 ; 0000-0001-6962-5648 ; 0000-0002-1776-0271</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11355558/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11355558/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39203132$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Baldino, Noemi</creatorcontrib><creatorcontrib>Mileti, Olga</creatorcontrib><creatorcontrib>Marchesano, Ylenia Maria</creatorcontrib><creatorcontrib>Lupi, Francesca R</creatorcontrib><creatorcontrib>Gabriele, Domenico</creatorcontrib><creatorcontrib>Paolini, Massimo</creatorcontrib><title>Rheological Performance and Differences between Laboratory-Aged and RAP Bitumen</title><title>Materials</title><addtitle>Materials (Basel)</addtitle><description>Traditional recycled asphalt pavement (RAP) binder extraction is not a cost-effective and sustainable option for a quick field study because it requires the use of a huge amount of solvent. Hence, most of the studies on asphalt pavement are carried out with laboratory-aged bitumen in accordance with well-established procedures, i.e., the pressure aging vessel (PAV). Unfortunately, some studies highlight the differences between bitumen aged in the laboratory and in service because it is difficult to reproduce extreme conditions such as real conditions, both atmospheric and load; and this also affects the choice and use of rejuvenators, sometimes compromising the interpretation of results. This study aims to compare the thermo-rheological behavior of a 70/100 bitumen aged with the PAV and two different binders extracted by RAPs. The rheological performances of bitumens were compared in temperature and by dynamic oscillatory tests and steady-state tests, resulting in strength and viscosity values higher for samples with RAP binders compared to the PAV sample. The same bitumens were tested with the addition of a 3%
/
of soybean oil (SO). The results show a decrease in the moduli and viscosity at all the temperatures investigated when SO is added to the laboratory-aged bitumen, while no appreciable differences are evident on naturally aged samples added with SO. Differences were evaluated in terms of cross-over frequency and rheological parameters. Furthermore, the SO effect showed substantial differences, especially in viscosity values, indicating that the study of regenerated or modified bitumen from aged bitumen still requires study, as current standard techniques and procedures cannot emulate real aging conditions well.</description><subject>Aggregates</subject><subject>Aging</subject><subject>Asphalt industry</subject><subject>Asphalt pavements</subject><subject>Bitumens</subject><subject>Bituminous materials</subject><subject>Chemical reactions</subject><subject>Extreme values</subject><subject>Laboratories</subject><subject>Oxidation</subject><subject>Parameter modification</subject><subject>Recycling</subject><subject>Rheological properties</subject><subject>Rheology</subject><subject>Soybean</subject><subject>Triglycerides</subject><subject>Ultraviolet radiation</subject><subject>Vegetable oils</subject><subject>Viscosity</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdkV1rFTEQhhdRbKm98QfIgjcibJtkks3mSo5V28KBllKvQzY7OU3ZTWqyq_Tfm-OptXYC-Zpn3mR4q-otJUcAihxPhkraghL8RbVPlWobqjh_-WS_Vx3mfEtKANCOqdfVHihGgALbry6ubjCOceOtGetLTC6myQSLtQlD_cU7hwnLMdc9zr8QQ702fUxmjum-WW1w-MNdrS7rz35eJgxvqlfOjBkPH9aD6vu3r9cnZ8364vT8ZLVuLICYm7bt-l44xThXqhfopJFoesYVF9a61jlnaJkEDEwyIdESK4VRgnWUAVdwUH3a6d4t_YSDxTAnM-q75CeT7nU0Xv-fCf5Gb-JPTSmIEl1R-PCgkOKPBfOsJ58tjqMJGJesgSglFbSwRd8_Q2_jkkLpb0t1FAgTolBHO2pjRtQ-uFgetmUMOHkbAzpf7lcdkZyTVkIp-LgrsCnmnNA9fp8SvTVX_zO3wO-eNvyI_rUSfgOfrJ5Q</recordid><startdate>20240809</startdate><enddate>20240809</enddate><creator>Baldino, Noemi</creator><creator>Mileti, Olga</creator><creator>Marchesano, Ylenia Maria</creator><creator>Lupi, Francesca R</creator><creator>Gabriele, Domenico</creator><creator>Paolini, Massimo</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-0064-5103</orcidid><orcidid>https://orcid.org/0000-0001-6962-5648</orcidid><orcidid>https://orcid.org/0000-0002-1776-0271</orcidid></search><sort><creationdate>20240809</creationdate><title>Rheological Performance and Differences between Laboratory-Aged and RAP Bitumen</title><author>Baldino, Noemi ; Mileti, Olga ; Marchesano, Ylenia Maria ; Lupi, Francesca R ; Gabriele, Domenico ; Paolini, Massimo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-668bb5f924499b5ef7a7eab24945ccf6fffa1fff53d27257ec0c75a9528123493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Aggregates</topic><topic>Aging</topic><topic>Asphalt industry</topic><topic>Asphalt pavements</topic><topic>Bitumens</topic><topic>Bituminous materials</topic><topic>Chemical reactions</topic><topic>Extreme values</topic><topic>Laboratories</topic><topic>Oxidation</topic><topic>Parameter modification</topic><topic>Recycling</topic><topic>Rheological properties</topic><topic>Rheology</topic><topic>Soybean</topic><topic>Triglycerides</topic><topic>Ultraviolet radiation</topic><topic>Vegetable oils</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Baldino, Noemi</creatorcontrib><creatorcontrib>Mileti, Olga</creatorcontrib><creatorcontrib>Marchesano, Ylenia Maria</creatorcontrib><creatorcontrib>Lupi, Francesca R</creatorcontrib><creatorcontrib>Gabriele, Domenico</creatorcontrib><creatorcontrib>Paolini, Massimo</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection (ProQuest)</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Baldino, Noemi</au><au>Mileti, Olga</au><au>Marchesano, Ylenia Maria</au><au>Lupi, Francesca R</au><au>Gabriele, Domenico</au><au>Paolini, Massimo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rheological Performance and Differences between Laboratory-Aged and RAP Bitumen</atitle><jtitle>Materials</jtitle><addtitle>Materials (Basel)</addtitle><date>2024-08-09</date><risdate>2024</risdate><volume>17</volume><issue>16</issue><spage>3954</spage><pages>3954-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>Traditional recycled asphalt pavement (RAP) binder extraction is not a cost-effective and sustainable option for a quick field study because it requires the use of a huge amount of solvent. Hence, most of the studies on asphalt pavement are carried out with laboratory-aged bitumen in accordance with well-established procedures, i.e., the pressure aging vessel (PAV). Unfortunately, some studies highlight the differences between bitumen aged in the laboratory and in service because it is difficult to reproduce extreme conditions such as real conditions, both atmospheric and load; and this also affects the choice and use of rejuvenators, sometimes compromising the interpretation of results. This study aims to compare the thermo-rheological behavior of a 70/100 bitumen aged with the PAV and two different binders extracted by RAPs. The rheological performances of bitumens were compared in temperature and by dynamic oscillatory tests and steady-state tests, resulting in strength and viscosity values higher for samples with RAP binders compared to the PAV sample. The same bitumens were tested with the addition of a 3%
/
of soybean oil (SO). The results show a decrease in the moduli and viscosity at all the temperatures investigated when SO is added to the laboratory-aged bitumen, while no appreciable differences are evident on naturally aged samples added with SO. Differences were evaluated in terms of cross-over frequency and rheological parameters. Furthermore, the SO effect showed substantial differences, especially in viscosity values, indicating that the study of regenerated or modified bitumen from aged bitumen still requires study, as current standard techniques and procedures cannot emulate real aging conditions well.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>39203132</pmid><doi>10.3390/ma17163954</doi><orcidid>https://orcid.org/0000-0002-0064-5103</orcidid><orcidid>https://orcid.org/0000-0001-6962-5648</orcidid><orcidid>https://orcid.org/0000-0002-1776-0271</orcidid><oa>free_for_read</oa></addata></record> |
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source | MDPI - Multidisciplinary Digital Publishing Institute; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Free Full-Text Journals in Chemistry; PubMed Central Open Access |
subjects | Aggregates Aging Asphalt industry Asphalt pavements Bitumens Bituminous materials Chemical reactions Extreme values Laboratories Oxidation Parameter modification Recycling Rheological properties Rheology Soybean Triglycerides Ultraviolet radiation Vegetable oils Viscosity |
title | Rheological Performance and Differences between Laboratory-Aged and RAP Bitumen |
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