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HW 11 - Homework set 11 Solutions
Course: Mechanics of Materials (CE 3110)
32 Documents
Students shared 32 documents in this course
University: University of Connecticut
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80 mm
80 mm
2
3
1
C
A
P
P
P
PROBLEM 4.103
As many as three axial loads, each of magnitude P 50 kN, can be applied to
the end of a W200 × 31.1 rolled-steel shape. Determine the stress at point A
(a) for the loading shown, (b) if loads are applied at points 1 and 2 only.
SOLUTION
For W200 31.3 rolled-steel shape.
232
64 64
3970 mm 4.000 10 m
11
(210) 105 mm 0.105 m
22
31.3 10 mm 31.3 10 m
A
cd
I
(a) Centric load: 3
3
50 50 50 150 kN 150 10 NP
36
3
315010
37.783 10 Pa 37.8 MPa
3.970 10
P
A
(b) Ececentric loading: 80 mm 0.080 me
3
33
33 6
36
2 50 50 100 kN 100 10 N
(50 10 )(0.080) 4.0 10 N m
2 100 10 (4.0 10 )(0.105) 38.607 10 Pa 38.6 MPa
3.970 10 31.3 10
A
P
MPe
PMc
A
I