interlocking

EK543

When the pull on the bar is small, high stresses develop near the loaded end of the bar; some slip of the bar occurs as adhesion between the bar and […]

EK527

Bond between reinforcing bars and concrete is made up of three components: chemical adhesion, friction, and mechanical interlocking of bar lugs (ribs) with the surrounding concrete.

EK196

Shear forces between adjacent precast concrete components can be transferred through bond, interface joint friction, interlocking by shear keys, dowel action of transverse steel bars or rods.