FIELD: FIXED CONSTRUCTIONS; DEVISE FOR STRENGTHENING A GIRDER OF THE BRACED FRAMEWORK.
SUBSTANCE: devise includes strengthening members in the form of pre-tensioned braces that are mounted under the girder bottom surface and rigidly attached with their one end to a support channel, disposed on one of the girder supports and with their other - by means of screw connections - to a locking mechanism rigidly attached to with the support channel disposed on the other support of the girder. The channels are pulled down to the bottom surface of the girder with ties passing through the holes formed in floor slabs along both side surfaces of the girder, and fastened with screw connections to crossbars disposed over the slab on the top surface of the girder. Furthermore, the support channels may be with end angles and pulled down to the girder with ties tightening the girder as well as bearing elements of the floor slabs.
EFFECT: increasing the load-bearing capacity of a girder.
2 cl, 5 dwg
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