Design for in plane shear (concrete wall:ACI 318)
In the plane of the wall the factored shear must be equal to or less than the design shear strength of the wall
Vu | ≤ | ΦVn |
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The design shear strength of the wall is equal to the design shear strength of the concrete plus that of the shear reinforcing
Vu | ≤ | ΦVc + ΦVs |
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The shear strength, Vn, may not be taken greater than 10 * √f’c * h * d.
Vn | ≤ | 10 * √f’c * h * d | US units |
Vn | ≤ | 0.83 * √f’c * h * d | metric units |
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where
h | = | wall thickness |
d | = | 0.8 * lw |
lw | = | length of the wall |
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Out of plane the shear design calculations are the same whether the design element is a column or a wall - see: Design parameters for shear (column and wall:ACI 318)