JOINT OF GIRDLESS REINFORCED CONCRETE FLOOR WITH COLUMN

摘要

FIELD: construction industry, erection of supporting constructions of girdless prefabricated reinforced concrete floors. SUBSTANCE: plates are made fast to reinforcing cage of floor slab in direction from column to floor slab, in opposition to each facet of column in symmetry with axes of column. Plates have length not less than 2h+2a, where h is thickness of floor slab; a is thickness of protective concrete layer of column, and stand edgewise. One end of each plate has rectangular form and is installed behind facet of column at distance not less than 2a, its other end is mitered and is placed perpendicular to side surface of press-through prism of slab. According to another version V-shaped anchors are installed in pairs at angle of 90 degrees one to another, opposite to each facet of column on reinforcing cage of column. In points of bend each pair of anchors is linked with the use of transverse reinforcement which length is determined from dependence L=b-2d, where b is side of column; d is diameter of transverse reinforcement. EFFECT: enhanced carrying capacity of joint of girdless reinforced concrete floor with column not requiring great expenditures for erection. 4 cl, 6 dwg