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Effect of Fiber-Matrix Bond Strength on the Crack Resistance of Synthetic Fiber Reinforced Cementitious Composites

Published online by Cambridge University Press:  21 February 2011

Victor C. Li ,
Youjiang Wang  and
Stanley Backer
Victor C. Li
Affiliation:
Department of Civil Engineering; Massachusetts Institute of Technology, Cambridge, MA 02139
Youjiang Wang
Affiliation:
Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139
Stanley Backer
Affiliation:
Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139
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Abstract

Fiber matrix bond characteristics can be changed by treatments of the fiber surface. The effect of such treatments on the fiber reinforced concrete (FRC) tension-softening behavior and crack resistance is studied in this paper. Various R-curve behaviors are predicted based on a simple double cantilevered beam (DCB) model using the experimentally derived tensionsoftening curves. The result suggests that fiber surface treatments can substantially alter the composite fracture resistance as measured by the R-curve.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 114: Symposium R – Bonding in Cementitious Composites , 1987 , 167
Copyright
Copyright © Materials Research Society 1988

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References

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