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| Re: North and South Channel swing Bridges (271645) | |||
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Re: North and South Channel swing Bridges |
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Posted by RonInBayside on Sun Jun 25 12:55:44 2006, in response to Re: North and South Channel swing Bridges, posted by ALP44 on Sun Jun 25 11:39:12 2006. "Besides, most rail buffs like ourselves know what a bascule bridge"You can't speak for most railbuffs, and you don't know who reads these posts. Non-railbuffs have been known to read this and the old Subtalk. Defining terms is a point of courtesy to them (and everyone else). A pontoon bridge was among the army's best friends in WWII. Essentially a floating bridge with pontoons holding up the dynamic load. They are used in civilian life too. Most often they are temporary bridges, to be replaced with something more permanent later. |
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