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Load-Deflection for Epoxy Repaired High Strength Reinforced Concrete Beams | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 12, Issue 1, 2008, Pages 30-43 | ||
| Author | ||
| Jawdat M. Kamal Tashan | ||
| Abstract | ||
| This paper presents an experimental investigation to predict the load-deformation behavior of High Strength reinforced concrete beams that failed in flexure and were repaired by epoxy injection.Four simply supported reinforced concrete beams with dimensions of (120*230*2550mm) were investigated after repairing with epoxy resin injection method. Beams B1 and B2 have tensile steel ratio of 0.0099, while Beams B3 and B4 have tensile steel ratio of 0.0177.Deflections were measured at first third, second third from the support and at mid span for all beams by using dial gauges.The behavior achieved for resin injected high-strength reinforced concrete beams was similar to that of the original beams. However, the cracks do not re-open after retesting. Instead, new nearby cracks are developed and the repaired beams showed a greater ductility than the original beams | ||
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