Civil Engineering Reference
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F
i g u r e
7.15 Shear diagrams and related free-body diagrams.
(.
0 125 150
2
.
(
)
2
1
150
RV
4
==
566670625 116 67
)
+
.
(
.
)
+
=
12 .krightreaction
4
M
max
= 500 ft-k at 76′ from left support, by computer
Verify by free body 1:
V
76
′
=
12 30125 76
.
−
.
() .
−
2 888
=
0
k
0 125 76
2
.
(
)
2
M
max
=
12 376
.( )
−
−
2 888 25 33
.
(
.
)
=
500
ft-k
∴
OK
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