A hollow circular pole, 3 m high, has an outside diameter of 300 mm and a thickness of 6 mm. It is subjected to the following loads: 1. A vertical compressive load, P = 3 kN at an eccentricity of 100 mm from the centroid of the section. 2. A lateral load, H = 0.45 kN at the top of the pole. The weight of the pole is 150 N/m. Which of the following gives the maximum compressive stress (MPa) at the base of the pole due to the vertical loads?

A hollow circular pole, 3 m high, has an outside diameter of 300 mm and a thickness of 6 mm. It is subjected to the following loads: 1. A vertical compressive load, P = 3 kN at an eccentricity of 100 mm from the centroid of the section. 2. A lateral load, H = 0.45 kN at the top of the pole. The weight of the pole is 150 N/m. Which of the following gives the maximum compressive stress (MPa) at the base of the pole due to the vertical loads?

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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Concept explainers

Matrix Algebra for Structural analysis

Structural analysis is a process in which the effects of different loads and internal forces, acting on structures and their elements are determined. This method of analysis is effective in detecting the failure loads of the structural elements and the design can be altered before commencing the construction process, which ensures proper strength and safety of the structures.

Question

100%

(continuation)
Which of the following gives the maximum tensile stress (MPa) due to all loads?
O 0.62
4.13
O 4.75
3.51
(continuation)
A solid pole 150 mm in diameter is used instead. Which of the following gives the maximum
shear stress (MPa) at the base?
0.034
O 0.025
0.045
0.012

SITUATION.
A hollow circular pole, 3 m high, has an outside diameter of 300 mm and a thickness of 6 mm. It
is subjected to the following loads:
1. A vertical compressive load, P = 3 kN at an eccentricity of 100 mm from the centroid of
the section.
2. A lateral load, H = 0.45 kN at the top of the pole.
The weight of the pole is 150 N/m.
Which of the following gives the maximum compressive stress (MPa) at the base of the pole
due to the vertical loads?
O 1.50
O 0.75
O 1.37
0.62

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