E - Fixed Constructions – 01 – D
Patent
E - Fixed Constructions
01
D
14/11
E01D 19/10 (2006.01) E01D 4/00 (2006.01) E01D 6/00 (2006.01) E01D 19/12 (2006.01) E04B 5/40 (2006.01)
Patent
CA 1097007
LIGHTWEIGHT MODULAR, TRUSS-DECK BRIDGE SYSTEM Abstract of the Disclosure A modular bridge system constructed of parallel, side-by-side bridge modules con- structed of components made from large pitch and depth corrugated plate. Each module has an upper chord plate, which ultimately defines the corresponding part of the bridge deck, a spaced apart, parallel lower chord plate and an inter- mediate, sinusoidal support structure defined by webs which have a width substantially equal to the width of the chord plates so as to define a continuous lateral support for the upper chord plates at intermediate points over the length thereof. Load distributing ribs secured to the underside of the chord plates only are placed at unsupported portions of the upper chord plates between attachment points for the webs and have a width substantially equal to the combined width of all modules to tie the modules to each other and to distribute vehicular (point) loads over a relatively wide lateral extent of the chord plates. Also disclosed is a high strength mounting of lateral guard rails for the bridge, a method for constructing and erecting the modules, and the incorporation of the modules in more intricate bridge structures such as arch- type bridges.
318076
Broacha Firoze H.
Larkin Artemas M.
Sivachenko Eugene W.
Fetherstonhaugh & Co.
Sivachenko Eugene W.
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