Reducing asphalt's low temperature cracking by disturbing its crystallization

Ellie H. Fini, Markus J. Buehler

Research output: Chapter in Book/Report/Conference proceedingChapter

8 Scopus citations


This paper investigate effect of a new bio-based modifier, "bio-binder" on disturbing bituminous asphalt crystallization using molecular dynamics simulation and X-Ray powder diffraction while studying effects of introduction of bio-binder on bituminous asphalt low temperature properties and low temperature cracking resistance. The proposed bio-binder is produced from the thermochemical conversion of swine manure. Bio-binder is then blended with virgin binder to produce bio-modified binder (BMB). Bio-binder can be used as a renewable partial replacement for petroleum-based asphalt. The production and application of bio-binder can facilitate swine waste management. In addition, the bio-binder resources (swine manure) is renewable and is not competing with food supplies. This paper argues that the improved low temperature rheological properties in BMB can further enhance pavement low-temperature cracking resistance.

Original languageEnglish (US)
Title of host publication"7th RILEM International Conference on Cracking in Pavements
Subtitle of host publicationMechanisms, Modeling, Testing, Detection,Prevention and Case Histories
PublisherKluwer Academic Publishers
Number of pages9
ISBN (Print)9789400745650
StatePublished - Jan 1 2012
Externally publishedYes

Publication series

NameRILEM Bookseries
ISSN (Print)2211-0844
ISSN (Electronic)2211-0852

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials


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