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Effects of pozzolans together with steel and polypropylene fibers on mechanical properties of RCC pavements

Madhkhan, M ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.1016/j.conbuildmat.2011.05.009
  3. Abstract:
  4. Effects of pozzolans and fibers on mechanical properties of RCC are addressed. The mechanical properties were evaluated using optimum moisture with different amounts of pozzolans, steel and polypropylene fibers. Using pozzolans, maximum increase in compressive strength was observed to occur between 28 and 90 days of age, rupture modulus was found to decrease; but toughness indices did not change considerably. The influence of steel fibers on compressive strength was often more significant than that of PP fibers; but neither steel nor PP fibers did contribute to increase in the rupture modulus independently from pozzolans. Also, the toughness indices increased when steel fibers were used
  5. Keywords:
  6. Pozzolans (D) ; Roller compacted concrete (RCC) pavements ; Steel and polypropylene fibers ; Compressive and flexural strengths ; Polypropylene fiber ; Pozzolanic contribution ; PP fiber ; Roller-compacted concrete ; Rupture modulus ; Steel fibers ; Toughness index ; Compressive strength ; Fibers ; Pavements ; Polypropylenes ; Pozzolan ; Thermoplastics ; Toughness ; Mechanical properties
  7. Source: Construction and Building Materials ; Volume 26, Issue 1 , January , 2012 , Pages 102-112 ; 09500618 (ISSN)
  8. URL: http://www.sciencedirect.com/science/article/pii/S0950061811002480