Answered: erties of the segments and the working…

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter4: Mechanical Processes

Section: Chapter Questions

Problem 4.20P

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Question

The compound bar containing steel, bronze, and aluminum segments carries the axial loads shown in the ﬁgure. The properties of the segments and the working stresses are listed in the table.

Determine the maximum allowable value of P in lbf, if the change in length of the entire bar is limited to 0.08 in. and the working stresses are not to be exceeded.

Bronze
Steel
Aluminum
4 ft
2 ft
3 ft
2P
3P
4P

А (in.?)
Е (psi)
O, (psi)
Steel
0.75
30 × 106
20 000
Bronze
1.00
12 x 106
18 000
Aluminum
0.50
10 × 106
12 000

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