After a load P = 150KN is applied to the pin-connected structure shown, the temperature increases 100°C, The thermal coefficients of expansion are 22(10-6)/°C for the aluminum and steel are 75GPA and 200GPª, respectively. The cross-sectional area of members A and B are 1000mm?and 500mm?, respectively. If member CD is rigid, determine (a) The normal stresses in bars A and B (b) The vertical component of the displacement of point D A 2.0 m В 1.5 m D 1.0 m 1.5 m 2.5 m 'P = 150 kN

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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After a load P = 150KN is applied to the pin-connected structure shown, the temperature increases
100°C, The thermal coefficients of expansion are 22(10-6)/°C for the aluminum and steel are
75GPA and 200GPa, respectively. The cross-sectional area of members A and B are 1000mm?and
500mm?, respectively. If member CD is rigid, determine
(a) The normal stresses in bars A and B
(b) The vertical component of the displacement of point D
A 2.0 m
B
1.5 m
D
1.0 m
1.5 m
2.5 m
P = 150 kN
(a)
Transcribed Image Text:After a load P = 150KN is applied to the pin-connected structure shown, the temperature increases 100°C, The thermal coefficients of expansion are 22(10-6)/°C for the aluminum and steel are 75GPA and 200GPa, respectively. The cross-sectional area of members A and B are 1000mm?and 500mm?, respectively. If member CD is rigid, determine (a) The normal stresses in bars A and B (b) The vertical component of the displacement of point D A 2.0 m B 1.5 m D 1.0 m 1.5 m 2.5 m P = 150 kN (a)
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