Minimum area of shear reinforcement (concrete beam: EC2)

Tekla Structural Designer
2021
Tekla Structural Designer

Minimum area of shear reinforcement (concrete beam: EC2)

The minimum area of shear reinforcement required, Asw,min is given by1;

Asw,min = MAX[slw,min*bw, Asw,min,u]

where

sl = the spacing of the shear reinforcement along the longitudinal axis of the beam

Asw,min,u = the total minimum area of the shear reinforcement calculated from data supplied i.e. maximum spacing across the beam, minimum link diameter and number of legs

For design in accordance with UK NA, EC2 Recommendations, Irish NA, Malaysian NA and Singapore NA;

ρw,min = (0.08*√(fck))/fyk

1 BS EN 1992-1-1:2004 Section 9.2.2(5) Eqn (9.4)
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