We propose the design of a transomless frame based on cross-beam slabs. Our proposal is to use an original steel connector, which allows us to make a slab from individual elements of small length. The invention belongs to the universal connections of frame elements that can form assemblies at different angles. A model of a 2 x 2 m cross-beam slab measuring 6 x 6 m with a corner support on column consoles was designed. Traditional beams of the beam floor are transformed into contour beams of the slab. When they are supported on the columns, we get a structure that is a slab supported at four corners on circular column consoles. Floors bear operational loads and ensure the rigidity and stability of the building in the horizontal plane by redistributing forces from wind and other horizontal loads. Ensuring spatial rigidity in the vertical plane is simplified by using a combined solution with steel columns and trusses.The peculiarity of the slab is the dome shape of its lower surface.The beamless slab of large-size slabs takes advantage of the spatial operation of the hollow core. The developed contour support beams of the slabs are well suited to accommodate bracing and overhang force
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