Rheological behavior of a low crystallinity polyolefin-modified asphalt binder for flexible pavements

An asphalt binder (PG 64−22) is modified with a crystallizable copolymer of polypropylene (PP) and polyethylene (PE) to enhance its ability to resist rutting in flexible pavements during periods of warm weather. After cooling of binders from the mixing temperature at a controlled rate of 3 °C/min, t...

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Bibliographic Details
Main Authors: Xiaofei Zhao, Minhaz Ur Rahman, Tharanga Dissanayaka, Farhad Gharagheizi, Carla Lacerda, Sanjaya Senadheera, Ronald C. Hedden, Gordon F. Christopher
Format: Article
Language:English
Published: Elsevier 2021-12-01
Series:Case Studies in Construction Materials
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2214509521001558