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Re: Cranes: Curved Track Monorail

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Curved beam will see stresses due torsion. Since your section is not a closed section, warping torsion will also need to be calculated. Support conditions are also important.

Suresh Acharya, S.E.
Richmond, CA


 -------------- Original message ----------------------
From: "David Maynard" <davemaynard(--nospam--at)ceincorp.com>
> What I am dealing with is a curved track, underhung hoist, monorail.  I plan
> on using an S-shape for the monorail in hopes of saving $$$ over the use of
> "patented track."  (a little input on this issue is welcomed)  The problem
> that I am concerned about is the horizontal curve in the track.
> 
> Pending I satisfy the minimum curve requirements for the hoist (which is 10'
> and I am using 15'), when it comes time for analysis, am I still looking at
> a straight up crain monorail analysis or is there any special consideration
> that I should account for with the curve???  Do I need more support
> structure for the curve???  I've designed crane support structures and
> monorails in the past, but never any that have curves in them.
> 
> Any help would be greatly appreciated.
> 
> David Maynard, PE
> Gillette, Wyoming
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