RIBBED SLAB OF PANEL COVERING Russian patent published in 1998 - IPC

FIELD: construction engineering. SUBSTANCE: this relates to ribbed slab for combination panel covering. Profile of this slab has protruding ribs created on actually flat slab. Surface of upper flanges of ribs is subjected to shaped treating (profiling) so as to guarantee better engagement between ribbed slab and concrete of combination panel covering. Connection of side wall of rib and upper flange of rib provided with lateral flutes is effected in the form of longitudinal flutes protruding outside so that lateral flutes are applied and rest on longitudinal flutes and extend above them. EFFECT: high efficiency. 5 cl, 4 dwg