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Shear lugs

In version 2025.b, an option to include shear lugs to baseplates has been implemented in the "Anchors" operation.

In baseplates, particularly when shear forces are considerable and users prefer not to transfer them to the foundation via the bolts, a shear lug is often installed. This element consists of a steel section, welded to the bottom of the plate, embedded in the foundation, the purpose of which is to transmit shear forces directly to the foundation element and thus free the bolts from transmitting this force and working exclusively in tension.

The verification of the strength of the concrete element for shear lugs is carried out by means of the compressive strength on the lug faces.

Users must check whether the concrete element has enough reinforcement to withstand the forces transmitted by the shear lug.