Controlled telescopic reinforcement system of fabric-cement composites - Durability concerns

Zvi Cohen, Alva Peled

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

The study objective was to modify the microstructure of AR glass strand to induce a controlled mode of telescopic bonding during service life, by using sub-micron particles absorbed between the filaments of the strand. Two groups of fillers were used: (i) pozzolanic fillers (silica fume) with 50 nm and 200 nm particle sizes; and (ii) polymeric fillers (polystyrene-based polymers), with two glass transition temperatures (- 6 °C and 100 °C). Composites were prepared using fabric reinforcement and tested for tensile behavior. Composite properties could be controlled by addition of fillers into the glass bundle, and the magnitude and efficiency of the modification was highly dependent on the filler type, structure, and properties. The best performance was obtained with silica fume fillers having relatively large 200 nm particles.

Original languageEnglish
Pages (from-to)1495-1506
Number of pages12
JournalCement and Concrete Research
Volume40
Issue number10
DOIs
StatePublished - 1 Oct 2010

Keywords

  • Fillers (D)
  • Interfacial transition zone (B)
  • Long-term performance (C)
  • Mechanical properties (C)
  • Textile reinforcement

ASJC Scopus subject areas

  • Building and Construction
  • Materials Science (all)

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