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Waterloo Region Connected  /  Waterloo Region Works  /  Transportation and Infrastructure v  /  Homer Watson and Ottawa Three Lane Roundabouts


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Homer Watson and Ottawa Three Lane Roundabouts
KevinT Offline
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#147
09-27-2017, 03:16 PM
(09-27-2017, 02:56 PM)JCnb Wrote: Always wondered what those "fins" were for on gantry signs, now I know!

This MTO Sign Standards document confirms this. Curious why they are used on the double supported gantry on Franklin however?

Nice find!  Here's the key excerpt that explains the fins:

MTO Sign Support Manual Wrote:An aerodynamic damper along the full width of all sign boards is required to suppress vortex shedding and galloping instabilities of the structure under various wind conditions. The damper is attached to each Z-bracket by means of stainless steel bolts. The damper assembly is fabricated from structural aluminum and is comprised of a damper plate, gusset plates and support angles
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Messages In This Thread
RE: Homer Watson and Ottawa Three Lane Roundabouts - by KevinT - 09-27-2017, 03:16 PM
RE: General Road and Highway Discussion - by timc - 05-29-2017, 10:02 AM
RE: General Road and Highway Discussion - by timc - 05-29-2017, 11:17 AM
RE: General Road and Highway Discussion - by embe - 08-09-2017, 08:39 PM

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