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Ferrocement laminates for strengthening RC T-beams

Paramasivam, P. / Ong, K.C.G. / Lim, C.T.E.

AbstractThe flexural behaviour of reinforced concrete T-beams strengthened with thin ferrocement laminates attached to the tension face was investigated. Twelve simply-supported beams were tested under concentrated loads at mid-span. The ferrocement laminates were attached using ‘L’-shaped mild steel round bars as shear connectors. The parameters that were varied include the spacing of the shear connectors, method of surface preparation and the volume fraction of reinforcement in the ferrocement laminates. Performance was gauged in terms of cracking characteristics, mid-span deflection, stiffness, and ultimate load capacity. The results showed that use of closely spaced shear connectors and proper surface preparation resulted in improved serviceability and flexural capacities.

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Ferrocement laminates for strengthening RC T-beams

Paramasivam, P. / Ong, K.C.G. / Lim, C.T.E.

AbstractThe flexural behaviour of reinforced concrete T-beams strengthened with thin ferrocement laminates attached to the tension face was investigated. Twelve simply-supported beams were tested under concentrated loads at mid-span. The ferrocement laminates were attached using ‘L’-shaped mild steel round bars as shear connectors. The parameters that were varied include the spacing of the shear connectors, method of surface preparation and the volume fraction of reinforcement in the ferrocement laminates. Performance was gauged in terms of cracking characteristics, mid-span deflection, stiffness, and ultimate load capacity. The results showed that use of closely spaced shear connectors and proper surface preparation resulted in improved serviceability and flexural capacities.

Ferrocement laminates for strengthening RC T-beams

Paramasivam, P. / Ong, K.C.G. / Lim, C.T.E.

AbstractThe flexural behaviour of reinforced concrete T-beams strengthened with thin ferrocement laminates attached to the tension face was investigated. Twelve simply-supported beams were tested under concentrated loads at mid-span. The ferrocement laminates were attached using ‘L’-shaped mild steel round bars as shear connectors. The parameters that were varied include the spacing of the shear connectors, method of surface preparation and the volume fraction of reinforcement in the ferrocement laminates. Performance was gauged in terms of cracking characteristics, mid-span deflection, stiffness, and ultimate load capacity. The results showed that use of closely spaced shear connectors and proper surface preparation resulted in improved serviceability and flexural capacities.

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Title:

Ferrocement laminates for strengthening RC T-beams

Contributors:

Paramasivam, P. (author) / Ong, K.C.G. (author) / Lim, C.T.E. (author)

Published in:

Cement and Concrete Composites ; 16 ; 143-152

Publication date:

1994-03-06

Size:

10 pages

ISSN:

DOI:

https://doi.org/10.1016/0958-9465(94)90008-6

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Reinforced concrete , T-beams , strengthening (in flexure) , ferrocement , shear connectors , surface preparation , cracking , deflection , stiffness , flexural strength

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