I'm planning on removing a load bearing wall, so I've been doing some
preliminary investigation. Don't worry I'll have an engineer when I can find
one willing to do a small job.
The wall in question is about 16' and is located on the main floor of a two
story house. The basement has a 20' steel beam (W10x30) in the same
location. I was concerned that placing the end post of the upstairs beam 4'
from the end of the basement beam would stress the steel beam too much. So I
plugged the numbers (1200 * 20 vs 1200 * 4 + 9600 + 9600) into a couple of
beam programs and discovered that the deflection numbers actually decreased.
I must be missing something here?
Thanks for the responses.
Shear seems OK. According to the #s the beam is marginal in it's original
configuration, although we've never experienced any significant bounce. My
1200 figure ((40L + 30L + 30D) *12) is probably 10% over code though.
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