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Study of Fiber Matrix Interfaces in Metakaoline-Opc Blended Cement GRC Composites

Published online by Cambridge University Press:  21 February 2011

J. Ambroise ,
J. Dejean  and
J. Pera
J. Ambroise
Affiliation:
Laboratoire des Matériaux Minéraux, Bat. 307, INSA de Lyon (Institut National des Sciences Appliquees), 20, Avenue Albert Einstein, 69621- Villeurbanne Cedex, France
J. Dejean
Affiliation:
Laboratoire des Matériaux Minéraux, Bat. 307, INSA de Lyon (Institut National des Sciences Appliquees), 20, Avenue Albert Einstein, 69621- Villeurbanne Cedex, France
J. Pera
Affiliation:
Laboratoire des Matériaux Minéraux, Bat. 307, INSA de Lyon (Institut National des Sciences Appliquees), 20, Avenue Albert Einstein, 69621- Villeurbanne Cedex, France
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Abstract

Ductility is one of the main requirements of a reliable building material; the traditional LOP and MOR criteria do not reveal this quality. Other criteria based on deflection, energy or bond-slip relationships are presented. They are applied to four very different series of composites: very brittle, very ductile, and intermediate. The results point out that only the criteria based on the flexural test up to splitting, at a constant deflection rate, can reveal the higher ductility of the metakaoline-OPC blended matrix associated with AR glass. From this test, the bond-slip relationship can be determined. This leads to the definition of a comparative parameter which describes the mechanical interfacial compatibility of the matrix versus the fibers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 114: Symposium R – Bonding in Cementitious Composites , 1987 , 175
Copyright
Copyright © Materials Research Society 1988

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References

REFERENCES

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