FIELD: construction.
SUBSTANCE: steel beam double tee, to which steel rolled profiles are fixed from a bar and a pair of angles, is equipped with fastening nuts and setting screws with hidden heads and a screwed-in sharpened end. The elements of the sheet lining are fixed tightly to the shelves of the beam double tee, elements of the tile lining - tightly to the double tee wall. Thickness of the elements of the fireproof lining is preliminarily defined with account of thermal properties of its materials and conditions of heating during fire.
EFFECT: increased reliability of fixation of elements of large-size lining, increased limit of steel beam fire resistance, reduced risk of beam damage in initial stage of fire.
8 cl, 3 dwg
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