A The member consists of the steel rod AB that is screwed into the end of the bronze rod BC. Find the largest value of P that meets the following design criteria: (i) the overall length of the member is not to change by more than 3 mm; and (ii) the stresses are not to exceed 140 MPa in steel and 120 MPa in bronze. The moduli of Problem 4: Steel A= 480 mm? 1.0 m B elasticity are 200 GPa for steel and 80 GPa for bronze. Problem 5: The compound bar carries the axial forces P and 2P. Find the maximum allowable value of P if the working stresses are 40 ksi for steel and 20 ksi for alumi- num, and the total elongation of the bar is not to exceed 0.2 in. 3P Bronze A= 650 mm 2 m 3 ft 4 ft 2P Steel A = 0.4 in.2 E = 29 x 10° psi 2P Aluminum A = 0.6 in.2 E= 10 x 10° psi
A The member consists of the steel rod AB that is screwed into the end of the bronze rod BC. Find the largest value of P that meets the following design criteria: (i) the overall length of the member is not to change by more than 3 mm; and (ii) the stresses are not to exceed 140 MPa in steel and 120 MPa in bronze. The moduli of Problem 4: Steel A= 480 mm? 1.0 m B elasticity are 200 GPa for steel and 80 GPa for bronze. Problem 5: The compound bar carries the axial forces P and 2P. Find the maximum allowable value of P if the working stresses are 40 ksi for steel and 20 ksi for alumi- num, and the total elongation of the bar is not to exceed 0.2 in. 3P Bronze A= 650 mm 2 m 3 ft 4 ft 2P Steel A = 0.4 in.2 E = 29 x 10° psi 2P Aluminum A = 0.6 in.2 E= 10 x 10° psi
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A
The member consists of the steel rod AB that is screwed into the end of the
bronze rod BC. Find the largest value of P that meets the following design criteria: (i)
the overall length of the member is not to change by more than 3 mm; and (ii) the
stresses are not to exceed 140 MPa in steel and 120 MPa in bronze. The moduli of
Problem 4:
Steel
A= 480 mm?
1.0 m
B
elasticity are 200 GPa for steel and 80 GPa for bronze.
Problem 5: The compound bar carries the axial forces P and 2P. Find the maximum
allowable value of P if the working stresses are 40 ksi for steel and 20 ksi for alumi-
num, and the total elongation of the bar is not to exoceed 0.2 in.
3P
Bronze
A= 650 mm
2 m
3 ft
4 ft
2P
Steel
A = 0,4 in.2
E = 29 × 10° psi
2P
Aluminum
A = 0.6 in.2
E= 10 x 10° psi
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