Patent ID: 6101779
Filing Date: 2000-08-15
Classification: E04B,E04C

Abstract:
A modular construction unit for use as a floor or ceiling of a modular building, comprising:a generally rectangular poured concrete slab with a planar top surface comprising:a plurality of longitudinal beams extending downwardly from the bottom of the slab and integral with the slab;a plurality of transverse purlins extending downwardly from the bottom of the slab and integral with the slab;the beams and purlins defining a plurality of rectangular voids on the underside of the slab filled substantially with insulating material to form an integral unit with said slab;a plurality of ribs extending downwardly from the bottom of the slabs, positioned between the purlins, the downward extent of the ribs less than the downward extent of the beams and purlins;an internal metal reinforcement matrix within the slab, comprising:deformed bar reinforcing metal extending horizontally within the beams and purlins;a plurality of continuous steel channels extending along the bottom edges of the beams and purlins;a plurality of metal studs spaced at intervals and affixed to and extending upwardly from the channels into the beams and purlins, anda metal wire grid embedded within an upper region of the slab.