concrete cover

EK674

With sufficient concrete cover, a multi-axial stress state develops in the concrete surrounding the reinforcing bar at both sides of the cracked interface. After increasing interface displacement, the concrete plasticizes […]

EK673

The activation of dowel action in the reinforcement bar occurs due to relative horizontal displacement of old and new concrete layer. For dowel action, it can be distinguished between the […]

EK534

If confinement is provided, usually by the use of stirrups and/or a large concrete cover, bond failure occurs by shear failure of the concrete keys between the steel ribs.