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Position of the outermost perimeter of shear reinforcement: the value of k

Eurocode 2 part 1-1: Design of concrete structures   6.4.5 (4)

The control perimeter at which shear reinforcement is not required, uout (or uout,ef see Figure 6.22) should be calculated from Expression (6.54):

uout = βVEd / (vRd,c d) (6.54)

The outermost perimeter of shear reinforcement should be placed at a distance not greater than kd within uout (or uout,ef see Figure 6.22).


The recommended value of k for the calculation of the position of shear reinforcement is 1,5.

National choice