Modular bridge deck system including hollow extruded aluminum el

Details Modular bridge deck system including hollow extruded aluminum el Modular bridge deck system including hollow extruded aluminum el

1997-07-03

1999-05-11

Lisehora, James

Bridges

Bridge construction method

527831, E01D19/12

Patent

active

059013966

ABSTRACT:
A light-weight, corrosion-resistant, readily installed bridge deck is formed of modular deck panels spliced to each other on site. Each of the deck panels is shop-fabricated by longitudinally welding flanges of adjacently placed multi-void extruded aluminum alloy structural elements. Transfer splices of longitudinally adjacent elongate elements are made by providing shear elements connecting individual elongate structural elements of each deck panel end-to-end prior to longitudinal welding of adjacent elongate elements, with the end joints between the elongate elements being arrayed in a staggered manner. A safety rail system is mounted to run alongside and above outer edges of the finished bridge deck mounted to a system of support girders.

REFERENCES:
patent: 4709435 (1987-12-01), Stemler et al.
patent: 5033147 (1991-07-01), Svensson
patent: 5651154 (1997-07-01), Ahlskog et al.

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