United States Department of Transportation
i
Flexural strength and fatigue of steel fiber reinforced concrete (SFRC) (2004 Hale Boggs Deck) : technical summary report.
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2009-12-01
[PDF-58.85 KB]
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Abstract:The Luling Bridge (Hale Boggs Memorial Bridge) traverses the Mississippi River in St. Charles
Parish, Louisiana. It was one of the first cable-stayed bridges in the United States and opened to
traffic in 1983. Unique to its design are relatively few cables, the deck resembles a box girder
more than a suspended deck, and the first major use of weathering steel on such a large bridge.
A concrete test section was constructed in 2004 utilizing an SFRC mixture. It was thought that
the omnidirectional reinforcing effect provided by steel fibers would be superior in resisting the
myriad of stresses inflicted on the concrete from the bridge. This test section demonstrated the
most promising design for a possible future decking of the complete bridge; an investigation into
the SFRC, epoxy, and steel decking system was appropriate.
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