Minimum area of shear reinforcement (concrete beam: EC2)
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The minimum area of shear reinforcement required, Asw,min is given by1; |
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| Asw,min |
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MAX[sl*ρw,min*bw, Asw,min,u] |
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| sl |
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the spacing of the shear reinforcement along the longitudinal axis of the beam |
| Asw,min,u |
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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 |
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For design in accordance with EC2 Recommendations, UK NA, Irish NA, Malaysian NA, Singapore NA, Finnish NA and Swedish NA; |
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| ρw,min |
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(0.08*√(fck))/fyk |
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| For design in accordance with Norwegian NA; | ||
| ρw,min |
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(0.1*√(fck))/fyk |
Footnotes
1 EN 1992-1-1:2004
Section 9.2.2(5) Eqn (9.4)