TECHNICAL PAPERS
May 1, 1998

Carbon Fiber Cement Matrix (CFCM) Overlay System for Masonry Strengthening

Publication: Journal of Composites for Construction
Volume 2, Issue 2

Abstract

A strengthening method for existing buildings and particularly for infill masonry walls with bending loading due to earthquakes is presented. The basic idea of the procedure is the application of additional overlays to the surfaces of the structural members as external reinforcement. The overlays consist of textiles of carbon fabrics, which are embedded in a cement-based matrix. The use of dense fabrics in combination with a cement-based matrix distinguishes these composite overlays. A program of experiments with strengthened concrete beams and masonry walls with bending loading was carried out. A significant enhancement of the load-bearing capacity of the tested members was achieved.

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References

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Ehsani, M. R., Saadatmanesh, H., and Al-Saidy, A.(1997). “Shear behavior of URM retrofitted with FRP overlays.”J. of Compos. for Constr., 1(1), 17–25.
2.
Laursen, P. T., Seible, F., Hegemier, G. A., and Innamorato, D. (1995). “Seismic retrofit and repair of masonry walls with carbon overlays.” nonmetallic reinforcement for concrete structures.”Proc., 2nd Int. RILEM Symp., (L. Taerwe), ed., Ghent, Belgium, 616–623.
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Mobasher, B., and Pivacek, A. (1996). “A computer controlled filament winding technique for manufacturing cement based cross-ply laminates.”ASCE Mat. Engrg. Conf., Mat. for the New Millenium, K. Chong ed., ASCE, New York, N.Y., 1677–1686.
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Naamann, A. E., and Guerrero, P. (1996). “Bending behavior of thin cement composites reinforced with FRP meshes.”Fiber Compos. in Infrastructure, ICCI `96. H. Saadatmanesh and M. R. Ehsani, eds., Tucson, Ariz.
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Go to Journal of Composites for Construction
Journal of Composites for Construction
Volume 2Issue 2May 1998
Pages: 105 - 109

History

Published online: May 1, 1998
Published in print: May 1998

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Authors

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Holger Kolsch
Dr.-Ing., Ingenieurbau, Kraftwerkstechnik und Sondergebiete, Hochtief AG, 60284 Frankfurt am Main, Germany.

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