FIELD: fire safety.
SUBSTANCE: steel column I-beam is equipped with fastening nuts and set screws with countersunk heads and with a screwed pointed end. The elements of the face sheet are attached closely to the shelves of the column I-beam, the elements of facing slabs - close to the wall of the I-beam. The element thickness of the fireproofing facing is determined in advance, taking into account its thermophysical properties of materials and the heating conditions of the shelves and the wall of the I-beam in a fire.
EFFECT: improvement of reliability of fastening the elements of large size facing, increase in fire-resistance rating of the steel column, reduction of risk of breakdown of the column in the initial stage of fire.
12 cl, 2 dwg, 1 tbl
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