Structural properties of sepiolite-reinforced cement composite

T. Kavas, E. Sabah, M. S. Çelik*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

62 Citations (Scopus)

Abstract

The structural properties and optimum blend ratios of sepiolite-reinforced cement composites are investigated. It is shown that the addition of 10% sepiolite (a natural clay mineral) fibers enhances the mechanical and physical properties of the mortar. In comparison to the ordinary Portland cement mix, improvements of 3.5%, 6.2% and 7.7% in compressive strength and 12.7%, 5.7% and 6.3% in bending strength values were respectively obtained for 2, 7 and 28 days. Based on the scanning electron microscope pictures, this enhancement is attributed to the modification of the rheology of the mortar through sepiolite fibers inducing a network structure within the cement matrix.

Original languageEnglish
Pages (from-to)2135-2139
Number of pages5
JournalCement and Concrete Research
Volume34
Issue number11
DOIs
Publication statusPublished - Nov 2004

Keywords

  • Compressive strength
  • Fiber reinforcement
  • Mineralizers
  • Rheology
  • SEM

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