Compare the torsional rigidities of the following sections:(a) a hollow tube 30 mm outside diameter and 1.5 mm thick(b) the same tube split along its length with a 1 mm gap(c) an equal leg angle section having the same perimeter and thickness as (b)(d) a square box section with side length 30 mm and I .5 mm wall thickness(e) a rectangular solid bar, side ratio 2.5 to I. having the same metal cross-sectional area as the hollow tube. Compare also the maximum stresses arising in each case. 2. Compare the torsional rigidities of the following sections:a) a hollow tube 30 mm outside diameter and 1.5 mm thickb) the same tube split along its length with a 1 mm gapc) an equal leg angle section having the same perimeter and thickness as (b)d) a square box section with side length 30 mm and 1.5 mm wall thicknesse) a rectangular solid bar, side ratio 2.5 to 1. having the same metal cross-sectional areaas the hollow tube. Compare also the maximum stresses arising in each case.

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Compare the torsional rigidities of the following sections: (a) a hollow tube 30 mm outside diameter and 1.5 mm thick (b) the same tube split along its length with a 1 mm gap (c) an equal leg angle section having the same perimeter and thickness as (b)

Compare the torsional rigidities of the following sections: (a) a hollow tube 30 mm outside diameter and 1.5 mm thick (b) the same tube split along its length with a 1 mm gap (c) an equal leg angle section having the same perimeter and thickness as (b)

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.6.5P: An aluminum bar has length L = 6 ft and diameter d = 1.375 in. The stress-strain curse for the...

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Question

Compare the torsional rigidities of the following sections:

(a) a hollow tube 30 mm outside diameter and 1.5 mm thick

(b) the same tube split along its length with a 1 mm gap

(d) a square box section with side length 30 mm and I .5 mm wall thickness

(e) a rectangular solid bar, side ratio 2.5 to I. having the same metal cross-sectional area as the hollow tube. Compare also the maximum stresses arising in each case.

2. Compare the torsional rigidities of the following sections:
a) a hollow tube 30 mm outside diameter and 1.5 mm thick
b) the same tube split along its length with a 1 mm gap
c) an equal leg angle section having the same perimeter and thickness as (b)
d) a square box section with side length 30 mm and 1.5 mm wall thickness
e) a rectangular solid bar, side ratio 2.5 to 1. having the same metal cross-sectional area
as the hollow tube. Compare also the maximum stresses arising in each case.

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