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sm10 123

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PROBLEM (10.123) For the W 610 x 125 shape (see table B.8) beam and loading shown in Fig.
P10.118, calculate slope at point D located a/2 from support B.
Given: w = 120 kN/m, a = 4 m,
E = 200 GPa
SOLUTION
See solution of Prob.10.118.
M/EI
wa2/2EI
wa2/8EI
A4
D
a/2
B
x
I = 985 × 106 mm 4 (Table B.8)
7 wa 3
48 EI
Thus,
θB =
θD = θD / B + θB
7 wa 3 wa 3 17 wa 3
+
=
48 EI 32 EI 96 EI
17(120 × 103 )(4)3
=
= 6.91× 10−3 rad
9
−6
96(200 × 10 )(985 ×10 )
θD =
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