| 20090205285 | COMPOSITE FLOOR SYSTEMS AND APPARATUS FOR SUPPORTING A CONCRETE FLOOR - An apparatus for supporting a concrete floor and a composite floor system constructed therewith comprises form panels supported between a plurality of joists, the joists including a shear connector at least partially embedded in the concrete slab of the floor system. Each of the joists may be formed of a double channel structural member, including a top chord to which the shear connector is secured, a bottom chord and a reinforced web. | 08-20-2009 |
