![]() The results are discussed and demonstrated a reduction in bar strains, central deflections and crack widths was between "30% and 53%" at service load. Results are presented for 24 T-beams the variables studied were concrete strength (20-50Mpa), plate thickness (1.6-6mm) and double or single plate layers. Further, the relative performance of external plates was compared with equivalent internal reinforcement designed to achieve the same ultimate strength. The main aim of this paper is to study the structural behaviors of T-beams strengthened by glued steel plates anchored at the ends with L-shaped plates to prevent the premature debonding failure. The paper discusses the experimental research carried out at Sheffield University (1) by the author.
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