Bundle: Mechanics Of Materials, Loose-leaf Version, 9th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
9th Edition
ISBN: 9781337594318
Author: Barry J. Goodno; James M. Gere
Publisher: Cengage Learning
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Textbook Question
Chapter 5, Problem 5.4.3P
A 4.75-in, outside diameter polyethylene pipe designed to carry chemical waste is placed in a trench and bent around a quarter-circular 90° bend (see figure). The bent section of the pipe is 52 ft long.
- Determine the maximum compressive strain
- If the normal strain cannot exceed 6.1 × 10-3 , what is the maximum diameter of the pipe?
- If d = 4.75 in., what is the minimum acceptable length of the bent section of the pipe?
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A steel wire with a diameter of d = 1/16 in. is bent around a cylindrical drum with aradius of R = 36 in. (see figure).a. Determine the maximum normal strain emaxb. What is the minimum acceptable radius of the drum if the maximum normalstrain must remain below yield? Assume E = 30,000 ksi and ey= 100 ksi.If R = 36 in., what is the maximum acceptable diameter of the wire if the maximumnormal strain must remain below yield?
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Strain Gage Rosettes & Principal Stresses-The Cantilever Beam
A strain gage experiment was conducted using the tungsten simple cantilever beam
shown in the figure. A load was applied at end of the beam and strains from a rectangular strain
gage rosette mounted on the top were recorded as follows:
€ = 50 με; €g = 300 με; €c = 172 με
The strains are also shown in the figure.
14 in.
b.
Fixed End
C₂
EA-50UE
-
E172UE
ER=300μLE
12 in (Thickness
= 0.125 in)
1.5 in.
Load End
P=6 lbs
a.
Reduce the rosette data and draw Mohr's strain circle.
Show all three gages at their proper locations on Mohr's circle:
Determine Poisson's Ratio for the beam material:
Determine the elastic modulus for the beam material:
Continue calculations on back of sheet or other paper if necessary, BOX YOUR ANSWERS, PLEASE!!
Chapter 5 Solutions
Bundle: Mechanics Of Materials, Loose-leaf Version, 9th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
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Ch. 5 - A thin, high-strength steel rule (E = 30 x 10ft...Ch. 5 - A simply supported wood beam AB with a span length...Ch. 5 - Beam ABC has simple supports at A and B and an...Ch. 5 - A simply supported beam is subjected to a in early...Ch. 5 - Each girder of the lift bridge (sec figure) is 180...Ch. 5 - A freight-car axle AS is loaded approximately as...Ch. 5 - A seesaw weighing 3 lb/ft of length is occupied by...Ch. 5 - During construction of a highway bridge, the main...Ch. 5 - The horizontal beam ABC of an oil-well pump has...Ch. 5 - A railroad tie (or sleeper) is subjected to two...Ch. 5 - A fiberglass pipe is lifted by a sling, as shown...Ch. 5 - A small dam of height h = 2.0 m is constructed of...Ch. 5 - Determine the maximum tensile stress (7, (due to...Ch. 5 - Determine the maximum bending stress emaxdue to...Ch. 5 - A simple beam A B of a span length L = 24 ft is...Ch. 5 - Determine the maximum tensile stress erand maximum...Ch. 5 - A cantilever beam A3, loaded by a uniform load and...Ch. 5 - 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