On an ongoing renovation project I observed the
following framing detail:
A 12" deep PSL beam is supported by a W12-72 I-beam,
with the top of the PSL some 7" above the top of the
I-beam. The builder notched the end of the PSL to
"fit" past the top flange (plus 2by nailer) and extend
to the web of the I-beam. The notch is about 7" from
the top of the PSL and 2" wide and 6" long. The bottom
of the PSL is blocked to the bottom flange.
I calculate that PSL shear stress is about twice the
allowed by assuming the notch extends to the bottom of
the beam.
Before I advise the owner to replace the PSLs (there
are 4) am I missing something or is there is a way to
reinforce them?
TIA,
Irv
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