FIELD: construction.
SUBSTANCE: invention relates to the field of construction and can be used in the manufacture of lightweight floor slabs. A multi-hollow reinforced concrete floor slab contains a slab body with a lower reinforced belt, over which tubular void formers are laid, made in the form of convex cylinders, formed from a polymer composite panel bent in half with bulges in the form of semi-cylinders facing outwards, and laid in a concrete matrix.
EFFECT: increasing the strength of the board.
3 cl, 4 dwg
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