2. A sign with dimensions of 2.0 m x 1.2 m is supported by a hollow circular pole having an outer diameter of 220 mm and an inner diameter of 180 mm. The sign is offset 0.5 m from the centerline of the pole, and its lower edge is 6.0 m above the ground. Determine the principal stresses and maximum shear stresses at points A and B at the base of the pole due to a wind pressure of 2.0 kPa against the sign. 0.5 m For hollow circular cross section: max B 11 VQ lb -2.0m MJT Bookstore A 180 mm 220 mm B 1.2 m 6.0 m V -1.33 (2²+4+² A 2

2. A sign with dimensions of 2.0 m x 1.2 m is supported by a hollow circular pole having an outer diameter of 220 mm and an inner diameter of 180 mm. The sign is offset 0.5 m from the centerline of the pole, and its lower edge is 6.0 m above the ground. Determine the principal stresses and maximum shear stresses at points A and B at the base of the pole due to a wind pressure of 2.0 kPa against the sign. 0.5 m For hollow circular cross section: max B 11 VQ lb -2.0m MJT Bookstore A 180 mm 220 mm B 1.2 m 6.0 m V -1.33 (2²+4+² A 2

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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Planar Stresses

Question

2. A sign with dimensions of 2.0 m x 1.2 m is supported by a hollow circular pole having an
outer diameter of 220 mm and an inner diameter of 180 mm. The sign is offset 0.5 m from the
centerline of the pole, and its lower edge is 6.0 m above the ground.
Determine the principal stresses and maximum shear stresses at points A and B at the base of the
pole due to a wind pressure of 2.0 kPa against the sign.
0.5 m
For hollow circular cross section: max
B
11
VQ
lb
-2.0m
MJT
Bookstore
A
180 mm
220 mm
B
1.2 m
6.0 m
V
-1.33 (2²+5+4²
A

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