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Removing support posts in basement.


Jon Moore's Avatar
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Join Date: Feb 2011
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02-19-11, 11:23 AM   #1  
Removing support posts in basement.

The new span will be 23' uniformly loaded with joists 16" on center. I would like to do a combination built up 2 x 10 wood beam with flitch plates to achieve a 1/360 of 23 stiffness. The dead load is 70 psf and the live load is 40 psf. How many plies of Dougles Fir and 1/4" x 9 1/2" steel plate would it take .

 
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chandler's Avatar
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02-19-11, 12:47 PM   #2  
Welcome to the forums! Have you thought of using double or triple LVL 9 1/2" beam? Would save a lot of steel work.

 
Jon Moore's Avatar
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02-19-11, 01:13 PM   #3  
Would a triple 9 1/2 LVL span 23'. My math might be off but I come up with 1760 plf. using a combined live and dead load of 110 psf. If so what would the deflection be?

 
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