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A roadway sign weighs 7.2 kN and is supported by a structural pipe that has an outside diameter of 250 mm and a wall thickness of 11 mm. The resultant force of the wind pressure acting on the sign is 9 kN, as shown. Assume a = 8.2 m, b = 3 m, P, = 9 kN, and Py = 7.2 kN. (a) Determine the normal and shear stresses OH, TxyH at point H. (b) Determine the normal and shear stresses oK, TyzK at point K. y a HK Answers: OH = i ! MPа. TryH = 28.6 MPа. OK = i ! MPа. Tyzk = i MPа.

A roadway sign weighs 7.2 kN and is supported by a structural pipe that has an outside diameter of 250 mm and a wall thickness of 11 mm. The resultant force of the wind pressure acting on the sign is 9 kN, as shown. Assume a = 8.2 m, b = 3 m, P, = 9 kN, and Py = 7.2 kN. (a) Determine the normal and shear stresses OH, TxyH at point H. (b) Determine the normal and shear stresses oK, TyzK at point K. y a HK Answers: OH = i ! MPа. TryH = 28.6 MPа. OK = i ! MPа. Tyzk = i MPа.

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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A roadway sign weighs 7.2 kN and is supported by a structural pipe that has an outside diameter of 250 mm and a wall thickness of 11 mm. The resultant force of the wind pressure acting on the sign is 9 kN, as shown. Assume a = 8.2 m, b = 3 m, Pz = 9 kN, and %3D Py = 7.2 kN. (a) Determine the normal and shear stresses oH, TxyH at point H. (b) Determine the normal and shear stresses OK, TyzK at point K. a H K Answers: OH = i MPа. TxyH 28.6 MPa. OK i MPа. TyzK i ! MPa. II
Transcribed Image Text:A roadway sign weighs 7.2 kN and is supported by a structural pipe that has an outside diameter of 250 mm and a wall thickness of 11 mm. The resultant force of the wind pressure acting on the sign is 9 kN, as shown. Assume a = 8.2 m, b = 3 m, Pz = 9 kN, and %3D Py = 7.2 kN. (a) Determine the normal and shear stresses oH, TxyH at point H. (b) Determine the normal and shear stresses OK, TyzK at point K. a H K Answers: OH = i MPа. TxyH 28.6 MPa. OK i MPа. TyzK i ! MPa. II
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