Concrete bridge RAILROAD FLATCAR

concrete bridge
concrete bridge
concrete bridge
concrete bridge
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concrete, steel
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One economical bridge superstructure option that has been experimented with is the use of decommissioned railroad flatcars as the superstructure of the bridge. This idea has been applied primarily to short span, low volume county roads. For a single lane road one flatcar can provide the entire superstructure, where multiple flatcars can be placed adjacently for wider bridges. Application Railroad flatcars are installed onto the bridge substructure. Concrete is then used to create a flat deck. Guardrails can then be attached to the flatcar to provide more safety to the roadway. Constructability The flatcar is attached to the abutment through the use of bolting or welding. On a two lane bridge, the flatcars can be attached using threaded rods through the channel between. Concrete is used to fill the channel while pouring the deck.


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