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http://hdl.handle.net/10397/96007
Title: | Thermal analysis on the component interaction of asphalt binders modified with crumb rubber and warm mix additives | Authors: | Yu, H Leng, Z Gao, Z |
Issue Date: | 30-Oct-2016 | Source: | Construction and building materials, 30 Oct. 2016, v. 125, p. 168-174 | Abstract: | This study investigated the interaction among different components of asphalt binders collectively modified with crumb rubber and warm mix additives through thermal gravimetric analysis (TGA) and differential scanning calorimeter (DSC) testing. The modified binders were divided into two parts for analysis purpose, namely the extracted crumb rubber modifier (CRM) by removing all asphalt components and the separated binder system by removing insoluble CRM particles. The main findings of this study include that: (1) the interaction between CRM and base asphalt was a component exchange process, i.e., natural rubber and styrene-butadiene rubber were released from CRM and blended with asphalt molecules; (2) wax-based warm mix additives penetrated into CRM during the mixing process; (3) the incorporation of warm mix additives especially the wax-based additives, promoted the component exchange between rubber and asphalt. | Keywords: | Asphalt rubber Interaction mechanism Thermal analysis Warm mix additive |
Publisher: | Elsevier | Journal: | Construction and building materials | ISSN: | 0950-0618 | DOI: | 10.1016/j.conbuildmat.2016.08.032 | Rights: | © 2016 Elsevier Ltd. All rights reserved. © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ The following publication Yu, H., Leng, Z., & Gao, Z. (2016). Thermal analysis on the component interaction of asphalt binders modified with crumb rubber and warm mix additives. Construction and Building Materials, 125, 168-174 is available at https://doi.org/10.1016/j.conbuildmat.2016.08.032. |
Appears in Collections: | Journal/Magazine Article |
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Yu_Thermal_Analysis_Component.pdf | Pre-Published version | 1.56 MB | Adobe PDF | View/Open |
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