Section 11.12.3 permits shear reinforcement only when the following minimum footing thickness limits are met:

d ≥ 6in.

d ≥ 16ds

where

ds

=

shear bar diameter

Minimum total flexural reinforcement in a given direction:

$A_{\min }=A_S^T+A_S^B$ > Sec. 7.12.2.1