Chapter
Apr 26, 2012
Study on the Modification Mechanism of Asphalt with Waste Packaging Polymer
Authors: Changqing Fang [email protected], Tiehu Li [email protected], Shisheng Zhou [email protected], Xin Wang [email protected], and Lance HeiligerAuthor Affiliations
Publication: Transportation and Development Innovative Best Practices 2008
Abstract
Instead of traditional polymer modifiers in asphalt, this experiment tested the addition of the common plastic bag (primarily LLDPE). Shredded plastic bags were added by percent weight for samples of 2%, 4%, and 6%. Softening point, penetration, ductility, low temperature-cracking performance and the micro-structure of the modified asphalt were studied. Analysis of the mixing process and structure of the modified asphalt indicated that swelling and molecular level crack-branching were the main reasons for the modified effect.
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© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Asphalt pavements
- Ductility
- Engineering materials (by type)
- Environmental engineering
- Infrastructure
- Material mechanics
- Material properties
- Materials engineering
- Materials processing
- Mechanical properties
- Pavements
- Plastics
- Pollutants
- Polymer
- Solid wastes
- Synthetic materials
- Transportation engineering
- Waste management
- Wastes
Authors
Affiliations
Institute of Printing and Packaging Engineering, Xi'an University of Technology, Xi'an 710048, China and Department of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China;. E-mail: [email protected]
Department of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China;. E-mail: [email protected]
Institute of Printing and Packaging Engineering, Xi'an University of Technology, Xi'an 710048, China;. E-mail: [email protected]
Institute of Printing and Packaging Engineering, Xi'an University of Technology, Xi'an 710048, China;. E-mail: [email protected]
Lance Heiliger
M.ASCE
Fayetteville, Arkansas
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