Calculate shear capacity at concrete-to-concrete interfaces using the shear-friction method. Applicable to cold joints, composite topping slabs, precast connections, and construction joints. Input interface conditions, reinforcement crossing the joint, and concrete strength to determine factored shear resistance. Full calculation output for design records.
Shear-friction assumes that shear is transferred across a crack or interface by friction between the rough surfaces, clamped together by reinforcement crossing the interface.
What interface conditions are supported?
The calculator handles various surface conditions including monolithic concrete, intentionally roughened surfaces, smooth cold joints, and concrete-to-steel interfaces.