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Indoor Footbridges, Outdoor Footbridges, Shopping Malls? 1

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IJR

IJR

Structural
Dec 23, 2000
774
Pals

AISC design Guide 11 on floor vibration classifies footbridges as indoor and outdoor. This guide also has classification for shopping malls(probably floors)

How can I classify a big and long walkway inside a shopping mall?

Is is an indoor footbridge?

respects
ijr
 
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Use what is more conservative.

RC
All that is necessary for the triumph of evil is that good men do nothing.
Edmund Burke

 
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You would probably want to use indoor footbridge. I think it has to do with the ability of humans to notice vibrations. Indoors we have closer surroundings and are more likely to notice relative motion between the bridge and the stationary surroundings. Outdoors we don't notice the motions as much.
 
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