FIELD: construction.
SUBSTANCE: shear bar of a boundary lifting anchor is proposed for an assembly wall panel. It is made in the form of a bar having a central part engaged with the upper edge of the lifting anchor when installed in the wall panel, and legs inclined downwards from each end of the central part. The lower part of each leg is shaped so that it is strongly engaged with concrete, where it is embedded. Shaping is made in the form of structural elements arranged in longitudinal direction at a certain distance from each other, each having mainly serrated shape. The front edge of each structural element is turned towards the central part so that whenever shear load is applied to the shear lug, legs are attached to concrete mainly with pressing loading applied to concrete in the area between two legs.
EFFECT: increased reliability.
6 cl, 7 dwg
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