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Truss bridge COVERED
galvanized steelprecast

truss bridge
truss bridge
truss bridge
truss bridge
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Characteristics

Type
truss
Material
galvanized steel
Other characteristics
precast
Span

Min.: 22 m (72'02")

Max.: 44 m (144'04")

Description

Truss length: Acrow supplied 310 linear feet (94.49 meters) of bridging comprising three spans. The span arrangements over the skewed piers were nominally 72.78 feet (22.18 m) ~ 78.08 feet (22.88 m) ~ 145.12 feet (44.23 m) plus overhang. Truss width: The Acrow support truss using standard single-lane transoms left less than a foot of clearance between Acrow steel and the interior of the covered bridge. Deck surface: The Acrow support truss was not decked. Contractor added a planked walkway for access. Truss erection: Incremental build, then push (20 feet per cycle). Loads: The bridge was designed in accordance with current AISC ASD design specifications to accept bridge dead loads (1,400 lbs plf plus imbalance factors); snow loads; hurricane wind loads; construction platform loads, jacking loads; and self-weight. Calculations were produced and analyzed for 96 sets of load conditions and load cases.

Catalogs

Ghana
Ghana
2 Pages
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