________________________________________________________________________
PROBLEM (7.79) Redo Prob. 7.78 for the case in which an S-beam (see Table B.9) is to be
selected.
SOLUTION
From solution of Prob. 7.78:
33
maxmax 101571622 mmSkNVmkNM ×==⋅=
From Table B.8, we select: 24150
×
S
and Thus, using Eq.(7.25): .14019.6203 2
mmAweb =×=
3
6
16 10
1401 10
avg web
V
A
τ
−
×
==×MPaMPa 804.11
<
=
O.K.
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