Effect of moisture conditioning on fatigue properties of sulphur modified asphalt mixtures

Andrea Cocurullo, James Grenfell, Nur Izzi Md Yusoff, Gordon Airey

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Citations (Scopus)

Abstract

Sulphur modified asphalt mixtures using pelletised sulphur as the bitumen extender/modifier have shown enhanced mechanical performance in terms of stiffness, resistance to permanent deformation and potentially even fatigue. However, concerns still exist in terms of the long-term durability of the modified asphalt mixtures in relation to their moisture damage susceptibility. A moisture damage protocol has therefore been designed specifically for sulphur modified asphalt mixtures. The dynamic mechanical and fatigue properties of the moisture damaged sulphur modified asphalt mixtures were then investigated using stiffness tests applying indirect tension to cylindrical specimens, two-point bending DMA and fatigue tests. The moisture damage protocol involves placing the specimens in a water bath at 85°C for 9 days for both the sulphur modified asphalt mixtures and a control dense bitumen macadam (DBM) asphalt mixture. Initial results show significant stiffness loss for the moisture conditioned sulphur modified asphalt mixtures and a reduction in fatigue performance relative to the unconditioned asphalt mixtures. Nevertheless non-permanent effects of moisture conditioning have been observed which led to partial recovery of the material properties.

Original languageEnglish
Title of host publicationRILEM Bookseries
Pages793-803
Number of pages11
Volume4
Publication statusPublished - 2012
Externally publishedYes

Publication series

NameRILEM Bookseries
Volume4
ISSN (Print)22110844
ISSN (Electronic)22110852

Fingerprint

Asphalt mixtures
Moisture
Sulfur
Fatigue of materials
Stiffness
Bending (deformation)
Dynamic mechanical analysis
Materials properties
Durability
Recovery

ASJC Scopus subject areas

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

Cite this

Cocurullo, A., Grenfell, J., Md Yusoff, N. I., & Airey, G. (2012). Effect of moisture conditioning on fatigue properties of sulphur modified asphalt mixtures. In RILEM Bookseries (Vol. 4, pp. 793-803). (RILEM Bookseries; Vol. 4).

Effect of moisture conditioning on fatigue properties of sulphur modified asphalt mixtures. / Cocurullo, Andrea; Grenfell, James; Md Yusoff, Nur Izzi; Airey, Gordon.

RILEM Bookseries. Vol. 4 2012. p. 793-803 (RILEM Bookseries; Vol. 4).

Research output: Chapter in Book/Report/Conference proceedingChapter

Cocurullo, A, Grenfell, J, Md Yusoff, NI & Airey, G 2012, Effect of moisture conditioning on fatigue properties of sulphur modified asphalt mixtures. in RILEM Bookseries. vol. 4, RILEM Bookseries, vol. 4, pp. 793-803.
Cocurullo A, Grenfell J, Md Yusoff NI, Airey G. Effect of moisture conditioning on fatigue properties of sulphur modified asphalt mixtures. In RILEM Bookseries. Vol. 4. 2012. p. 793-803. (RILEM Bookseries).
Cocurullo, Andrea ; Grenfell, James ; Md Yusoff, Nur Izzi ; Airey, Gordon. / Effect of moisture conditioning on fatigue properties of sulphur modified asphalt mixtures. RILEM Bookseries. Vol. 4 2012. pp. 793-803 (RILEM Bookseries).
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