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1. The cross-sectional area of each member of the truss is 1400 mm². Calculate the stresses in members DF, CE, and BD. В D 6 m 4 m A 4 m C 3 m Е 3m 100 kN 200 kN

1. The cross-sectional area of each member of the truss is 1400 mm². Calculate the stresses in members DF, CE, and BD. В D 6 m 4 m A 4 m C 3 m Е 3m 100 kN 200 kN

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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1. The cross-sectional area of each member of the truss is 1400 mm2. Calculate the stresses in members DF, CE, and BD. В D 6 m 4 m A F 4 m C 3 m Е 3m 100 kN 200 kN
Transcribed Image Text:1. The cross-sectional area of each member of the truss is 1400 mm2. Calculate the stresses in members DF, CE, and BD. В D 6 m 4 m A F 4 m C 3 m Е 3m 100 kN 200 kN
Sample Problem 2 I kip The bars of the truss have a cross-sectional area of 1.25 in2. Determine the average normal stress in members AB and BE due to the loading P = 8 kip. State whether the stress is tensile or compressive. B 3 ft A E 4 ft 4 ft 0.75 P= G kiPs P = 8kipS 1 2. Normal Stress 3 4 5 В Sample Problem 2 3 ft Given: P = 8 kip A = 1.25 in? Required: OAB, O BE A E 4 ft 4 ft- 0.75 P Solution: * Jont A FAB + Joint E Fre (를) 8.0 FAB - 13 3333 Kips T BE FAE FED FAE FBE - 6:0 FBE: Gkips, I Co kips Gkips FBE FAB 13:3533kipS BE:4.8ksi, T A 1-25 in 1 2. Normal Stress 3 4 6. Sample Problem 3 Three forces, each of magnitude P = 4 kN, are applied to the mechanism shown. Determine the cross-sectional area of the uniform portion of rod BE for which the normal stress in that portion is +100 MPa. 0.100 m P P |B C 0.150 m 0.300 m 0.250 m 1 2. Normal Stress 3 4 6. 0.100 m Sample Problem 3 P Given: P = 4 kN B +100 MPa OBE Required: ABE Solution: 0.150 m 0.300 m 0.250 m p.yKN P:4KN Cx 'cy Dy 1 2. Normal Stress 3 4 6. 0.100 m
Transcribed Image Text:Sample Problem 2 I kip The bars of the truss have a cross-sectional area of 1.25 in2. Determine the average normal stress in members AB and BE due to the loading P = 8 kip. State whether the stress is tensile or compressive. B 3 ft A E 4 ft 4 ft 0.75 P= G kiPs P = 8kipS 1 2. Normal Stress 3 4 5 В Sample Problem 2 3 ft Given: P = 8 kip A = 1.25 in? Required: OAB, O BE A E 4 ft 4 ft- 0.75 P Solution: * Jont A FAB + Joint E Fre (를) 8.0 FAB - 13 3333 Kips T BE FAE FED FAE FBE - 6:0 FBE: Gkips, I Co kips Gkips FBE FAB 13:3533kipS BE:4.8ksi, T A 1-25 in 1 2. Normal Stress 3 4 6. Sample Problem 3 Three forces, each of magnitude P = 4 kN, are applied to the mechanism shown. Determine the cross-sectional area of the uniform portion of rod BE for which the normal stress in that portion is +100 MPa. 0.100 m P P |B C 0.150 m 0.300 m 0.250 m 1 2. Normal Stress 3 4 6. 0.100 m Sample Problem 3 P Given: P = 4 kN B +100 MPa OBE Required: ABE Solution: 0.150 m 0.300 m 0.250 m p.yKN P:4KN Cx 'cy Dy 1 2. Normal Stress 3 4 6. 0.100 m
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