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Moment On Combined Footing

Moment On Combined Footing

Moment On Combined Footing

(OP)
EIT needs a little help for designing a combined footing supporting two identically loaded exhaust stacks that are aligned in one direction and are 10'-0" o.c. in the other.  The loading provided by the stack manufacturer has a 50k dead/live combination axial load and nearly 2000 k-ft of moment at the base.  This moment seemed unusually large, but I have verified the design with the manufacturer.  I am limited to 22'-0" of length and the width/depth do not have limitation (within reason).  I have designed combined footings with axial load before but I'm at a loss on how to design for the moment at the base.  Any help would be greatly appreciated.

RE: Moment On Combined Footing

Hi, YoungMind.

It is a pity that you chose to post this in the concrete engineering forum as well as the Foundation engineering forum (which I would consider to be the only logical forum for your post).

By such crossposting you are running the risk of this post being deleted (since the other copy has already received some responses).

RE: Moment On Combined Footing

(OP)
My apologies to all for posting in two locations.  I did not know that the foundation engineering forum existed until I had already posted on the concrete engineering forum (I'm new to the forum).  We will close this one and use the thread already started with replies on this topic in the concrete engineering forum (even though, as austim said, the topic belongs in here).

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