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SITUATION 1: A steel rod 2.5 m long is secured between two walls. If the load on the rod is zero at 20°C,

SITUATION 1: A steel rod 2.5 m long is secured between two walls. If the load on the rod is zero at 20°C,

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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SITUATION 1: A steel rod 2.5 m long is secured between two walls. If the load on the rod is zero at 20°C, 1. Compute the stress when the temperature drops to -20°C. The cross- sectional area of the rod is 1200 mm?, a = 11.7 um/(m-°C), and E = 200 GPa. Solve, assuming that the walls are rigid as the temperature drops a. 93.6 MPa c. 75.6 MPa b. 89.6 MPa d. 53.6 MPa 2. Compute the stress when the temperature drops to -20°C. The cross- sectional area of the rod is 1200 mm², a = 11.7 um/(m-°C), and E = 200 GPa. Solve, assuming that the walls spring together a total distance of 0.500 mm as the temperature drops. a. 93.6 MPa c. 75.6 MPa b. 89.6 MPa d. 53.6 MPa
Transcribed Image Text:SITUATION 1: A steel rod 2.5 m long is secured between two walls. If the load on the rod is zero at 20°C, 1. Compute the stress when the temperature drops to -20°C. The cross- sectional area of the rod is 1200 mm?, a = 11.7 um/(m-°C), and E = 200 GPa. Solve, assuming that the walls are rigid as the temperature drops a. 93.6 MPa c. 75.6 MPa b. 89.6 MPa d. 53.6 MPa 2. Compute the stress when the temperature drops to -20°C. The cross- sectional area of the rod is 1200 mm², a = 11.7 um/(m-°C), and E = 200 GPa. Solve, assuming that the walls spring together a total distance of 0.500 mm as the temperature drops. a. 93.6 MPa c. 75.6 MPa b. 89.6 MPa d. 53.6 MPa
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