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| Re: The Manhattan Bridge (813582) | |||
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Re: The Manhattan Bridge |
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Posted by Q4 on Mon Jul 27 14:39:50 2009, in response to Re: The Manhattan Bridge, posted by Chris R16/R2730 on Sat Jul 25 11:53:49 2009. The Bronx-Whitestone Bridge is a close cousin in design to the Tacoma Narrow Bridge(Galloping Gertie). Over the years BWB was retrofitted with Trusses, diagonal bracing (40's)and a mass damper system in the 80's to provide more stability in high winds. This along with a thicker roadway made the bridge heavier and caused more wear and tear. The trusses were removed and replaced by fairings and other revisions made the bridge lighter. |
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