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PROBLEM (9.5) Repeat Prob. 9.4 for the case in which the 50-mm-diameter hole in the shaft is
eliminated.
SOLUTION
Critical section is in AB.
σx =
τ=
4P
2
π d AB
σx =
4P
1600 P
=
2
π (0.05)
π
τ =−
16(0.01P)
1280 P
=−
3
π (0.05)
π
16T
3
π d AB
Equation (9.1):
800 P
800 P 2 −1280 P 2
)
σ1 =
+ (
) +(
π
=
π
π
800 P 1509 P 2309 P
+
=
π
π
π
We have
100 × 106 =
60 × 106 =
2309 P
π
1509 P
π
,
,
P = 136 kN
P = 125 kN
Thus,
Pall = 125 kN
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