A. DETAILS OF BEAM REINFORCEMENT

CHAPTER A : 'DETAILS OF BEAM REINFORCEMENT' 21 rcor , θ y = θy , cor θ = 1, 00 y (F.3) In practice, it is assumed that the deformation in the leakage remains constant regardless of the degree of corrosion. • The reduction factor, r cor , θ u , of the strain at failure, θ u , cor , of of a structural element where corroded reinforcement occurs relative to the deformation at failure of the element without reinforcement corrosion depends on the magnitude of the axial force, v , that stresses it and is defined as: rcor , θu rcor , θu = θu , cor θ u = θu , cor θ u = 1, 00 − 2, 85X = 1, 00 − 3, 50 X cor cor for v ≤ 0, 20 for 0, 20 < v ≤ 0, 40 (F.4.a) (F.4.b) For v > 0, 40 not enough evidence from the literature has been evaluated. It is reasonable, however, to it could be assumed that the values of r cor , θ u would be smaller than those obtained from relation F.4.(b) above. Note that, in each case, θ u , cor will be taken to be greater than or equal to θ y . ADVERTISEMENT For the shear strength of structural members, the provisions of Annex 7C of the Regulation shall apply, where the shear resistance due to the contribution of fasteners ( V w ) is calculated on the basis of their corrosion-reduced cross-sectional area divided by a safety factor of 1,50. For degrees of corrosion of fasteners greater than 35 %, the following shall apply obtain V w = 0 . In the program the above procedure is carried out automatically by entering the initial and the measured diameter and the program will automatically calculate the corrosion rate Xcor, the corresponding degradation factors rcor and all the corresponding take-off values (resistances and deformations) depending on the type of analysis.