Reinforcement

The vertical reinforcement should not be less than 0.004/4 or greater than 5.4.7.2(1) 0.04/4 . °

Half of this reinforcement should be located at each face. 5.4.7.2(2)

The maximum spacing for the vertical bars should not exceed twice the wall 5.4.7.2(3) thickness or 300 mm.

The area of horizontal reinforcement should be at least 50% of the vertical 5.4.7.3

reinforcement. The bar size should not be less than one quarter of the vertical (1)—(3) bar size and the spacing should not exceed 300 mm. The horizontal reinforcement should be placed between the vertical reinforcement and the wall face.

Link reinforcement is required in walls where the design vertical reinforcement 5.4.7.4(1) exceeds 0.02A .

In normal buildings it is unlikely that walls will be classified as slender. For practical considerations they will generally not be less than 175 mm thick and the vertical load intensity will normally be relatively low. Thus the limiting slenderness ratio given by 15/yiTwill be high.

In cases where the wall is slender, only slenderness about the minor axis need be considered. Even in this case it is likely that only the minimum conditions given in EC2 Clause 4.3.5.5.3(2) Eqns 4.63 and 4.64 will apply.

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