SECTIONAL REINFORCED-CONCRETE CEILING Russian patent published in 1995 - IPC

FIELD: civil engineering. SUBSTANCE: sectional reinforced-concrete ceiling comprises ribbed slabs installed at two short opposite sides on cross beams secured on cantilever arms, and grouting concrete. Besides, the ceiling has longitudinal beams installed on additional cantilever arms of columns, and reinforcing rod members with clamp-shaped tensioning devices. The longer sides of the end slabs are supported by longitudinal beams while the reinforcing rod members are arranged across the ribbed slabs under each rib and fastened rigidly to embedded parts. The latter are installed on the upper sides of longitudinal beams at a pitch equal to that of slab transverse ribs. The flanges of each rib slab have holes at the transverse ribs. The clamps of the tensioning devices envelop the reinforcing elements of the rod members, pass through holes and are secured on the slab flange with nuts. EFFECT: improved design. 4 dwg