Weld-free grids or gratings for bridge decks

Details Weld-free grids or gratings for bridge decks Weld-free grids or gratings for bridge decks

1998-05-21

2000-04-18

Lillis, Eileen Dunn

Bridges

Deck

Joint

404 45, 404 70, 52668, E04C 242, E01D 1912

Patent

active

06049932&

ABSTRACT:
A weldless grating comprising a plurality of longitudinally extending primary load-bearing members having an upper portion, a lower portion and a web located between the upper portion and the lower portion, the primary load-bearing member having a plurality of spaced-apart, generally rectangular-shaped openings in the web, the openings in each of the primary load-bearing members being aligned with the openings in adjacent primary load-bearing members. A plurality of secondary and tertiary load bearing members are provided.

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