A model for predicting fracture resistance of fiber reinforced concrete

M. Wecharatana*, S. P. Shah

*Corresponding author for this work

Research output: Contribution to journalArticle

62 Scopus citations

Abstract

A theoretical model is presented to predict the crack propagation resistance of fiber reinforced cement based composites. A crack in the matrix is divided into a traction free zone, fiber bridging zone and the matrix process zone. The crack closing pressure due to fibers depends on the (Mode I) crack opening displacement (COD). A method is suggested to estimate this relationship from the pull-out tests. Although calculations of COD are based on linear elastic fracture mechanics concepts, the energy absorbed in the fiber bridging zone is included in the analysis. Theoretical results are compared with the experimental data of notched beam and double cantilever beam specimens.

Original languageEnglish (US)
Pages (from-to)819-829
Number of pages11
JournalCement and Concrete Research
Volume13
Issue number6
DOIs
StatePublished - Nov 1983

ASJC Scopus subject areas

  • Building and Construction
  • Materials Science(all)

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