sm8 72

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PROBLEM (8.72) Using Mohr's circle, solve Prob. 8.46.
SOLUTION
σ
O
τ (ksi)
σ
(ksi)
C
2'
p
θ
(
σ
, -
τ)
τ
σ
’
8
(5, -
τ)
5 ksi
σ
1
2)7(8 1+=
σ
or
ksi9
1=
σ
1
97 4
'12'cos
28
o
p
ksi σθ
−
−
== = =
60
8cos60 1 3
oksi
σ =− + =−
8sin60 6.93
oksi
τ ==
Sketch of results is as shown in solution of Prob. 8.46.
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