Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Articles Article Faculty Publications -Articles Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Insight into the effects of waste vegetable oil on self-healing behavior of bitumen binder Subject The topic of the resource Bitumen; Molecular dynamics; Self-healing behavior; Waste vegetable oil Description An account of the resource The application of waste vegetable oil (WVO) in bitumen has been the subject of research for years, however, the self-healing behavior of WVO modified bitumen (WMB) has not been adequately reported. In this research, molecular dynamics (MD) simulations and laboratory experiments were performed to reveal the effects of WVO on the self-healing behavior of bitumen. Models of base bitumen and WMB were constructed. Further, dynamic calculations were carried out for the self-healing models of base bitumen and WMB both with 10 microcracks. The energy properties, conformation and density of bitumen during the self-healing process were analyzed. Meanwhile, the effects of WVO on the fractional free volume (FFV) of bitumen, the distribution of bitumen components and the mobility of bitumen molecules were investigated. Finally, the modified fatigue-healing-fatigue (FHF) test was conducted to verify the effects of WVO on the self-healing efficiency of bitumen. Results show that Van der Waals forces drive the mobility of bitumen molecules. Along with the disappearance of the central microcrack, the density of the self-healing system gradually increases and finally reaches that of the bulk bitumen. WVO with superior mobility capacity increases the FFV of bitumen and converts asphaltene large aggregated structure into small aggregated structure, which facilitates the mobility of the bitumen during the self-healing process. Thus, the addition of WVO contributes to the self-healing efficiency of the bitumen. The modified FHF test also verified that the self-healing efficiency of bitumen is improved with the presence of WVO. These findings provide further insight into the self-healing behaviors of WMB. 2022 Creator An entity primarily responsible for making the resource Xu N.; Wang H.; Chen Y.; Hossiney N.; Ma Z.; Wang H. Source A related resource from which the described resource is derived Construction and Building Materials, Vol-363 Publisher An entity responsible for making the resource available Elsevier Ltd Date A point or period of time associated with an event in the lifecycle of the resource 2023-01-01 Identifier An unambiguous reference to the resource within a given context <a href="https://doi.org/10.1016/j.conbuildmat.2022.129888" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.conbuildmat.2022.129888</a> <br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85143308132&amp;doi=10.1016%2Fj.conbuildmat.2022.129888&amp;partnerID=40&amp;md5=48e7332f87a078520f94d3a1df05ce00" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85143308132&amp;doi=10.1016%2fj.conbuildmat.2022.129888&amp;partnerID=40&amp;md5=48e7332f87a078520f94d3a1df05ce00</a> Rights Information about rights held in and over the resource Restricted Access Relation A related resource ISSN: 9500618; CODEN: CBUME Format The file format, physical medium, or dimensions of the resource Online Language A language of the resource English Type The nature or genre of the resource Article Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Xu N., School of Highway, Chang'an University, South Erhuan Middle Section, Shaanxi Province, Xi'an City, 710064, China; Wang H., School of Highway, Chang'an University, South Erhuan Middle Section, Shaanxi Province, Xi'an City, 710064, China; Chen Y., School of Highway, Chang'an University, South Erhuan Middle Section, Shaanxi Province, Xi'an City, 710064, China; Hossiney N., Department of Civil Engineering, CHRIST University, Kumbalgodu, Karnataka, Bengaluru, 560074, India; Ma Z., School of Highway, Chang'an University, South Erhuan Middle Section, Shaanxi Province, Xi'an City, 710064, China; Wang H., School of Highway, Chang'an University, South Erhuan Middle Section, Shaanxi Province, Xi'an City, 710064, China