If the maximum shear strain in the tube is measured as 460 x 10-6 rad, what is the shear strain y, (in radians) at the inner surface? rad If the maximum allowable rate of twist is 0.126°/m and the maximum shear strain is to be kept at 460 x 10-6 rad by adjusting the torque T, what is the minimum required outer radius (r, mint in mm)? mm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A circular aluminum tube subjected to pure torsion by torque T (see figure) has an outer radius r, equal to 1.5 times the inner radius r,.
T
(a) If the maximum shear strain in the tube is measured as 460 x 10-° rad, what is the shear strain y, (in radians) at the inner surface?
rad
(b) If the maximum allowable rate of twist is 0.126°/m and the maximum shear strain is to be kept at 460 x 10-6 rad by adjusting the torque T, what is the minimum required outer radius (r..min' in mm)?
mm
Transcribed Image Text:A circular aluminum tube subjected to pure torsion by torque T (see figure) has an outer radius r, equal to 1.5 times the inner radius r,. T (a) If the maximum shear strain in the tube is measured as 460 x 10-° rad, what is the shear strain y, (in radians) at the inner surface? rad (b) If the maximum allowable rate of twist is 0.126°/m and the maximum shear strain is to be kept at 460 x 10-6 rad by adjusting the torque T, what is the minimum required outer radius (r..min' in mm)? mm
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