{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T11:15:53Z","timestamp":1782818153528,"version":"3.54.5"},"reference-count":33,"publisher":"SAGE Publications","issue":"28","license":[{"start":{"date-parts":[[2018,7,27]],"date-time":"2018-07-27T00:00:00Z","timestamp":1532649600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Transportation Research Record: Journal of the Transportation Research Board"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:p>The microstructure and chemical composition of asphalt binders have a significant effect on their rheological properties and, therefore, their performance as road paving binders. This study aims to investigate the effects of warm-mix asphalt (WMA) additives, organic type and chemical type, on the rheological properties and chemical internal structure of base asphalt and crumb rubber modified asphalt (CRMA). A set of dynamic shear rheometer (DSR) tests was conducted to obtain the rheological parameters (e.g., complex viscosity, complex modulus, phase angle) of asphalt binders. The flow activation energy was calculated from Arrhenius equation based on viscosity data to rank the thermal susceptibility. Black diagrams and master curves of complex modulus and phase angle were utilized to analyze the rheological properties. The molecular weight distributions of asphalt binders were inverted from the phase angle master curve to evaluate the molecular weight characteristics. It was found that the the addition of crumb rubber into base asphalt improves the rheological properties of enhanced modulus and elasticity. Organic and chemical types of WMA additives have different chemo-physical effects on both base asphalt and CRMA. Phase angle inversion method provides a powerful tool to monitor the molecular structure change and, therefore, the chemo-physical interactions of asphalt binders induced by modifications. Finally, there is a good correlation between flow activation energy and molecular weight.<\/jats:p>","DOI":"10.1177\/0361198118781376","type":"journal-article","created":{"date-parts":[[2018,7,27]],"date-time":"2018-07-27T06:39:15Z","timestamp":1532673555000},"page":"337-348","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":82,"title":["Rheological Behavior and Its Chemical Interpretation of Crumb Rubber Modified Asphalt Containing Warm-Mix Additives"],"prefix":"10.1177","volume":"2672","author":[{"given":"Haopeng","family":"Wang","sequence":"first","affiliation":[{"name":"Section of Pavement Engineering, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xueyan","family":"Liu","sequence":"additional","affiliation":[{"name":"Section of Pavement Engineering, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Panos","family":"Apostolidis","sequence":"additional","affiliation":[{"name":"Section of Pavement Engineering, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tom","family":"Scarpas","sequence":"additional","affiliation":[{"name":"Section of Pavement Engineering, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands"},{"name":"Department of Civil Infrastructure and Environmental Engineering, Khalifa University of Science and Technology, Abu Dhabi, the United Arab Emirates"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2018,7,27]]},"reference":[{"key":"bibr1-0361198118781376","doi-asserted-by":"publisher","DOI":"10.1016\/j.conbuildmat.2013.09.007"},{"key":"bibr2-0361198118781376","doi-asserted-by":"publisher","DOI":"10.1016\/j.conbuildmat.2017.04.031"},{"key":"bibr3-0361198118781376","doi-asserted-by":"publisher","DOI":"10.3141\/1661-15"},{"key":"bibr4-0361198118781376","doi-asserted-by":"publisher","DOI":"10.3141\/2370-12"},{"key":"bibr5-0361198118781376","doi-asserted-by":"publisher","DOI":"10.3141\/2371-11"},{"key":"bibr6-0361198118781376","volume-title":"Warm-Mix Asphalt Study: Evaluation of Rubberized Hot- and Warm-Mix Asphalt with Respect to Emissions","author":"Farshidi F.","year":"2013"},{"issue":"82","key":"bibr7-0361198118781376","first-page":"685","author":"Baumgardner G. 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