Strengthening of channel shaped building columns and beams

Details Strengthening of channel shaped building columns and beams Strengthening of channel shaped building columns and beams

1977-07-06

1978-11-07

Murtagh, John E.

Static structures (e.g., buildings)

Machine or implement

E04C 332

Patent

active

041238877

ABSTRACT:
Building columns of generally squared C shape are strengthened by rigidification with a novel bridge member so that inward deflections of the flanges of the C are prevented by insertion of the bridge. The bridge includes a transverse intermediate portion which fits between the ends of the channel flanges to prevent inward deflections thereof, a pair of inclined crossing leg portions and a pair of opposing foot portions, each joined to a leg portion and adapted to fit in the interiors of opposed corners of the channel between the flanges thereof and the connecting part.

REFERENCES:
patent: 867379 (1907-10-01), Kaufmann
patent: 1454254 (1923-05-01), Roney
patent: 1753094 (1930-04-01), Sacerdote
patent: 2096263 (1937-10-01), Ruhlman
patent: 3132448 (1964-05-01), Phillips
patent: 3461638 (1969-08-01), Balinski
patent: 3557512 (1971-01-01), Braeuninger
patent: 3624694 (1971-11-01), Byland

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