FIELD: construction, particularly floor structures of extraordinary design.
SUBSTANCE: floor panel comprises steel embedded box-like member made of angle bar and located around panel orifice, as well as upper and lower meshes and annular radial reinforcing members. Radial reinforcing members are installed in two horizontal planes and spaced apart 20-40° angles along a circle. One plane is located in center of upper angle bar flange below lower mesh. The second plane levels with lower edge of lower angle member flange over lower mesh. Annular reinforcing members are axisymmetric with respect to center of panel orifice below upper radial members.
EFFECT: increased load-bearing capacity and service life.
5 cl, 7 dwg
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