METHOD FOR REINFORCING CEILING WITH WOODEN BEAMS, REINFORCED CEILING Russian patent published in 1998 - IPC

FIELD: construction. SUBSTANCE: reinforced ceiling has wooden beams, ceiling structure, reinforcing metal beams and upper structure of ceiling. Metal beams are mounted in intervals between wooden beams. Wooden beam top is located above the bottom of metal beams whose upper face is in the same plane with top of transverse members or below the top of transverse members, and total inside dimensions of remaining part of ceiling, reinforcing metal beams and new top structure of ceiling is selected equalling the thickness of existed ceiling. Rested on lower flanges of metal beams are ends of arched sheet bent upward with sheet generating line locating in parallel to metal beams. Laid on arched sheet, over its entire length is cast-in-situ concrete on which floor is constructed. Suspended from upper generating line of arched sheet by means of sheet tie-rods is wooden beam with ceiling structure. Metal beam is made in the form of bent U-shaped section installed with flange upward and located above wooden beam. Ceiling upper structures rest on horizontally bent ends of U-shaped beam. EFFECT: provision of reinforcement of ceiling structure without increase of its thickness and without its full dismantling. 14 cl, 11 dwg