Welded roof support

Details Welded roof support Welded roof support

1984-09-04

1986-07-22

Taylor, Billy S.

Static structures (e.g., buildings)

Disparate sheet lamina between exposed surfaces of wall,...

Tie crossing dividing lamina

219127, 219137R, 228165, 228190, E04B 704

Patent

active

046011510

ABSTRACT:
A building roof, having an optimum strength to weight ratio, and method of constructing the roof wherein a horizontally disposed roof deck assembly particularly adapted to provide diaphragm shear strength and shear stiffness is formed comprising: a sheet (12) of steel corrugated material, a sheet (14) of optional insulation material, and a sheet (16) of rigid substrate material mechanically fastened together by screws (18). The sheet (12) of corrugated material is welded to purlins (20) by elongated welds (40) formed to resist rotation of the corrugated sheet (12) in a horizontal plane. The screws (18) extend through the rigid substrate (16) and through rigids (11) on the upper side of the corrugated sheet (12) to form a truss-like structure extending generally parallel to the purlins (20). Weld washers 30 having elongated slots (35) are used to secure high tensile strength symmetrically corrugated steel (12) having a thickness in a range of 0.0144 inch to 0.0359 inch to purlins (20) to provide diaphragm shear stiffness and shear strength.

REFERENCES:
patent: 1939732 (1933-12-01), Stresau
patent: 2703835 (1955-03-01), Douglas
patent: 4232612 (1980-11-01), Winsor
patent: 4333280 (1982-06-01), Morton
patent: 4441295 (1984-04-01), Kelly

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