_______________________________________________________________________
PROBLEM (8.39) Taking the
x
y
τ
of Prob. 8.36 to be 0, determine the maximum shear stresses
and the associated normal stresses.
SOLUTION
From Fig. 8.36 with 0:
xy
τ
=
12
04ksi0
σ
σ
==−
Therefore
12
max 0 ( 40) 20
22ksi
σ
σ
τ
−−−
== =
12
040
'2
22 ksi
0
σ
σ
σ
+−
===−
20 ksi
40 ksi
20 ksi
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