Concrete slab metallic joint, has female part, placed in slab, with longitudinal flat bar and mortises that cooperate with tenons of male part, placed in another slab, having continuous flat bar, where bars form upper arris between slabs

摘要

#CMT# #/CMT# The joint has a male part (1), incorporated in a concrete slab (14), with a vertical sheet metal having a continuous flat bar (3) and tenons (5) which extend horizontally outward of the slab. A female part (2), incorporated in a concrete slab (15), has a wall with a longitudinal flat bar (8) and mortises (10) which extend inward to the slab (15) to cooperate with tenons. The bars (4, 8) form an upper arris between the slabs (14, 15). #CMT#USE : #/CMT# Used for concrete slabs (claimed) to delimit the slabs for partitioning a large concrete surface. #CMT#ADVANTAGE : #/CMT# The vertical loads exerted on the upper surface are distributed in a uniform manner on the two edges of the slab. The male and female parts of the slabs located between the tenons and mortises permit the rework of heavy loads without excessive work at the joint. The parts preserve the total thickness of the slab, thus avoiding to the maximum the cracks and the starting of rupture in the longitudinal direction near the joint. The joint permits anchoring with tenon base and mortise while leaving regular intervals of total thicknesses of the concrete that confers the slab an optimal resistance by reducing the starting of ruptures. The quantity of required steel is reduced while procuring reinforced and rectilinear arrises as they are formed from steel flat bars instead of the edges of a sheet metal. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a vertical cross-sectional view of a metallic joint after the pouring of concrete. 1 : Male part 2 : Female part 3 : continuous flat bar 4 : Vertical sheet metal 5 : Tenons 8 : Longitudinal flat bar 10 : Mortises 14, 15 : Concrete slabs #CMT#METALLURGY : #/CMT# The flat bars are made of steel.