1. Technical Result Increase of bearing capacity of the member by reducing its bend. 2. Essence By the both sides of the bearing member, in the adjoining area of the support 1 the openings 2 are drilled and the pulling wire is passed. On the bearing member, in the place of wire bend the straps 4 provided with guides 5 are attached for improving the wire sliding. Between the wire and the strengthening element the pulling device 6 is disposed. 3. Field of Application Construction, in particular methods for strengthening wall and floor panels.
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