Re: Load bearing wall & steel I beam size

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Re: Load bearing wall & steel I beam size

From: hawkeye1201@yahoo.com
Category: Carpentry and Framing
Remote Name: 12.217.79.183
Date: 09 Oct 2004
Time: 11:37 AM

Comments

There is a lot of information you have not told us. Do you have a tile roof or other heavy roof? Is there a snow load? Is this a brick veneer house? Do the interior walls carry any of the roof truss load? If the second floor is all bedrooms, where is the bathroom? Assuming minimum loads the bending stress on your 8 x 18 beam is over 30,000 psi. This is approaching the yield stress of 36,000. Total deflection of your beam for these minimum loads (live plus dead)is 0.71" Live load deflection only (assuming 3500 pounds) is 0.25" In my opinion you need to invest in a structural engineer to evaluate this in detail and a different beam!

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