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JARDIM, L. L.; GOMES, R. B.; MELO, G. S. S. A. Estudo do comportamento de vigas parede de concreto armado reforçadas. In: CONGRESSO INTERNACIONAL SOBRE O COMPORTAMENTO DE ESTRUTURAS DANIFICADAS, 1998, Rio de Janeiro. Anais... Rio de Janeiro, 1998.
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Abstract

This work has the objective of analysing the structural behavior of reinforced concrete deep beams strengthened in shear after being submitted to service loads. The situation occurs in practice, for example, when the reinforcement existing in the structure is not strong enough to endure all the loads which actuate in it and under the compromised condictions of security and performance it becomes necessary to be strengthened. Nine reinforced concrete deep beams have been tested: two basic beams for reference, one with the reinforcement suggested by the ACI (1995) and other with about half of that. Each of the seven strengthened beams utilized one detailing of reinforcement, that were fixed with special mortar. The beams were simply supported and submitted to two symmetric top concentrated loads until failure. Displacements, strains, development and crack width were recorded during the tests. The results showed that the most of the detailing technique utilized worked properly.
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