2.15 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. A (in.?) E (psi) Ow (psi) Ste 2. Steel 0.75 30 x 106 20 000 Bronze 1.00 12 x 106 18 000 Aluminum 0.50 10 x 106 12 000 Determine the maximum allowable value of P if the change in length of the entire bar is limited to 0.08 in. and the working stresses are not to be exceeded.
2.15 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. A (in.?) E (psi) Ow (psi) Ste 2. Steel 0.75 30 x 106 20 000 Bronze 1.00 12 x 106 18 000 Aluminum 0.50 10 x 106 12 000 Determine the maximum allowable value of P if the change in length of the entire bar is limited to 0.08 in. and the working stresses are not to be exceeded.
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Transcribed Image Text:2.15 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.
A (in.²)
E (psi)
Ow (psi)
St
2.
P
Steel
0.75
30 x 106
20 000
Bronze
1.00
12 x 106
18 000
Aluminum
0.50
10 x 106
12 000
Determine the maximum allowable value of P if the change in length of the entire
bar is limited to 0.08 in. and the working stresses are not to be exceeded.
Transcribed Image Text:Bronze
Steel
2 ft
Aluminum
4 ft
3 ft
P
2P
3P
4P
FIG. P2.15
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