FIELD: construction. SUBSTANCE: plates of ceilings are provided with longitudinal and lateral ribs which form meshes for passing columns over the whole their area. Sides of the ribs and columns are provided with pin grooves at the level of the columns. The columns can be received in each mesh of the ceiling plates and coupled with them using concrete. Ribs of adjacent ceiling plates are interconnected by welding or bolting. EFFECT: enhanced quality of construction. 4 dwg
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