Orthogonally composite prefabricated structural slabs

Details Orthogonally composite prefabricated structural slabs Orthogonally composite prefabricated structural slabs

1989-06-05

1990-11-27

Britts, Ramon S.

Bridges

Transportable

14 73, E01D 700

Patent

active

049725378

ABSTRACT:
This invention involves a composite prefabricated deck panel and method of construction. The panel is comprised of a rectangular frame made of steel channel members, a number of structural steel members (I-beams) extending longitudinally through the frame and a reinforcing steel mesh welded to the structural steel members. A concrete topping slab is cast over the top flanges of the rectangular structural steel frame leaving a portion of the channel members and structural members extending outwardly. This construction develops a composite action between the structural steel members and concrete.
Locking holes extend through the structural steel members, to accomodate a locking bar which attaches to a locking loop secured to supporting girders. Liquid grout is then pressure forced into locking holes which hardens to produce a rigid composite structure consisting of the panels and girders.

REFERENCES:
patent: 3484999 (1969-12-01), Van Der Lely
patent: 3879914 (1975-04-01), Haller et al.
patent: 3918222 (1975-11-01), Bahramian
patent: 4387544 (1983-06-01), Schilger
patent: 4594833 (1986-06-01), Mieyal
patent: 4605336 (1986-08-01), Slaw, Sr.

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