Table 4. Mechanical properties of repair and substrate concrete Compressive strength (MPa) 60.0 64.0 Flexural strength (MPa) 2.90 3.7 Tensile strength (MPa) 4.4 5.3 Modulus of elasticity (GPa) 37.0 35.0 Tensile bond strength (MPa) 5.2 Shear bond strength (MPa) 3.0 Niloufar Ghazanfari et al. Flexural Behavior of Post Tensioned Beams Damaged by Reinforcement Corrosion before and after Applying Patch-Repair. American Journal of Civil Engineering and Architecture, 2016, Vol. 4, No. 5, 171-180. doi:10.12691/ajcea-4-5-4 © The Author(s) 2015. Published by Science and Education Publishing.