Abstract
The repair and rehabilitation of structures have recently become of great concern due to an increase in loadings and the degradation of structures with time. Considerable efforts are still being undertaken to develop new construction materials. This experimental study describes the flexural behavior of reinforced concrete beams repaired by Polymer Cementitious Mortar and Cement Mortar in the tension zone. Preliminary trials in which beams tensile reinforcing steel was exposed over 100%, 80% and 60% of their length have led to tests on 15×25 cm beams over a 200 cm span. The test parameters of this experimental study, such as the ratio of tensile steel, repair materials and repair length, are discussed here. Emphasis is given to overall bending capacity, deflection, ductility index, failure mode and crack development of repaired beams.
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