Pultrusion of fabric reinforced high flyash blended cement composites

Barzin Mobasher, Alva Peled, Jitendra Pahilajani

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The objective of this work was to study the synergy between the use of alkali resistant glass fibers in the form of fabrics and high volume flyash cement based mixture. The relationship between the mix constituents, rheology of the cement mixture, and the mechanical properties of pultruded fabriccement composites were studied. Various flyash contents ranging from 0, 40 %, 60 % and 80 %
replacement by volume of the cement were used. Using closed loop uniaxial tension tests, the stress strain behavior of composites was obtained at various curing and accelerated ageing conditions. The rheological properties of the fresh matrix was examined and correlated with the mechanical performance. In addition, the role of the fabric reinforcement in the development of distributed
cracking was documented. Results indicate an improvement in the mechanical behavior of the cement composite with flyash compared to similar composites without flyash. A good correlation was found between the rheology properties of the fresh mixture and the mechanical performance of the composite.
Original languageEnglish
Title of host publicationProceedings, World Of Coal Ash, April 11-15, 2005, Lexington, KY, USA
Pages1473-1482
Number of pages10
StatePublished - 2004

Keywords

  • rheology
  • pultrusion
  • cement composites
  • fabrics
  • Portland cement
  • flyash

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