MECHANICS OF MATERIALS
11th Edition
ISBN: 9780137605521
Author: HIBBELER
Publisher: RENT PEARS
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Textbook Question
Chapter 12.9, Problem 117P
Determine the reactions at the journal bearing supports A, B, and C of the shaft, then draw the shear and moment diagrams. El is constant.
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3. Use the method of sections to determine the forces in the members BD, CD, CE in the struc-
ture of Figure 3.
A
B
D
4 kN
6 kN
all dimensions in meters.
Figure 3
A pipeline engineer is considering alternative natural gas pipeline routings. The first route is mostly over land and the second is primarily undersea. Both pipelines will need some valve and fitting replacements in year 25. Cost data for each route is shown in Table P2.21. Notice that the undersea route has a higher initial cost due to higher installation costs and extra corrosion protection for the pipeline. However, the undersea route has cheaper security and maintenance costs which substantially reduces annual costs. The MARR for the project is 15%. Determine which route should be pursued based on a present worth analysis.
The state of stress at a point is σ = -4.00 kpsi, σy
Tyz
=
8.000 kpsi, and T₂ = -14.00 kpsi.
What is the maximum shear stress for this case?
The maximum shear stress is
kpsi.
=
16.00 kpsi, σ = -14.00 kpsi, Try
=
11.00 kpsi,
Chapter 12 Solutions
MECHANICS OF MATERIALS
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