![Shear Friction Reinforcing Design Based on ACI 318-02 1 Shear Friction Reinforcing Design Based on ACI 318 02](https://excel.civilmdc.com/wp-content/uploads/2021/12/Shear-Friction-Reinforcing-Design-Based-on-ACI-318-02.png)
The shear friction concept assumed that such a crack is formed when concrete will be cast at different times and that reinforcement is provided across the crack to resist relative displacement along it. The reinforcement in tension provides a clamping force, Avf x fy across the crack faces