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Effect of Morphology on High-Temperature Rheological Properties of Polymer-Modified Bitumen
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.
Nynas AB.
2019 (English)In: RILEM 252-CMB Symposium: Chemo-Mechanical Characterization of Bituminous Materials / [ed] Lily D. Poulikakos, Augusto Cannone Falchetto, Michael P. Wistuba, Bernhard Hofko, Laurent Porot, Hervé Di Benedetto, Cham, 2019, Vol. 20, p. 99-104Conference paper, Published paper (Refereed)
Abstract [en]

This paper employs isothermal annealing at different temperatures to obtain different microstructures of the same modified bitumen with styrene-butadiene-styrene (SBS) copolymer. The effect of polymer-modified bitumen (PMB) morphology on high-temperature rheological properties is investigated based on the same material. The characteristic wavelength ξ of PMB microstructure was calculated from the fluorescence microscopy images. Dynamic shear rheometer (DSR) measurements and multiple stress creep and recovery (MSCR) tests were performed. The PMB morphology-rheology correlation was discussed within the studied temperature and frequency range. Comparing with a binary droplet-in-matrix microstructure, a homogenous PMB morphology tends to store more energy during shear cycles and reach higher recovery after the loading.

Place, publisher, year, edition, pages
Cham, 2019. Vol. 20, p. 99-104
Series
RILEM Bookseries, ISSN 2211-0844 ; 20
Keywords [en]
Polymer modified bitumen, Morphology, High, Temperature, Rheology
National Category
Infrastructure Engineering
Research subject
50 Road: Materials, 51 Road: Bituminous materials and binders
Identifiers
URN: urn:nbn:se:vti:diva-13303DOI: 10.1007/978-3-030-00476-7_16Scopus ID: 2-s2.0-85053390501ISBN: 978-3-030-00475-0 (print)ISBN: 978-3-030-00476-7 (electronic)OAI: oai:DiVA.org:vti-13303DiVA, id: diva2:1251460
Conference
RILEM 252-CMB Symposium
Available from: 2018-09-27 Created: 2018-09-27 Last updated: 2018-12-19Bibliographically approved

Open Access in DiVA

The full text will be freely available from 2020-09-01 09:56
Available from 2020-09-01 09:56

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Zhu, Jiqing

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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