FORMWORK FOR MONOLITHIC REINFORCED CONCRETE FLOOR SLAB Russian patent published in 2013 - IPC E04G11/38 

FIELD: construction.

SUBSTANCE: formwork for a monolithic reinforced concrete floor slab comprising a deck, with width equal to length of its free span, sending the load to beams arranged along the span and resting against bearing structures. At the same time the formwork beams are installed on top of the deck, have rectangular, wedge-shaped or T-shaped section with height that is not less than the thickness of the concreted floor slab and rest against bearing structures in the same plane as the concreted slab, fixation of the deck to the beams is carried out by means of point detachable connections, the disassembly of which is possible on top of the slab, the beams in the lower part have slots that expand to the bottom to locate the rods of the transverse reinforcement of the slab, side surfaces of the beams in areas of possible contact with the concreted slab are coated with a layer of an elastic resilient material, along its perimetre to the ends of the beams as the shaping element of the formwork there is a board attached, on the deck surface under the beam coaxially to it there is a net strip laid with cell size of 3-10 mm from an alkali-resistant material, protruding beyond the side surfaces of the beam by 10-100 mm.

EFFECT: development of a formwork, making it possible to install it in a working position and to disassemble it, if there is no access to a monolithic reinforced concrete floor slab at the bottom, reducing at the same time labour costs and material consumption.

6 dwg