The principal stresses and absolute maximum shear stress. The normal and shear stresses acting on planes parallel and perpendicular to the weld; show these stresses on a properly oriented stress element. The circumferential (hoop) and longitudinal strains.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A pressurized tank is constructed with a helical weld that makes an angle a = 55° with the
longitudinal axis. The tank has inner radius r = 0.6 m, wall thickness t = 18 mm, and
internal pressure p = 1.2 MPa. The pressurized tank is also subjected to the compressive
force of 500 kN shown in the figure. The tank has modulus of elasticity E = 200 GPa and
Poisson's ratio v = 0.25. For a point II on the tank surface, determine the following
quantities (40' in total):
(a) The principal stresses and absolute maximum shear stress.
(b) The normal and shear stresses acting on planes parallel and perpendicular to the weld;
show these stresses on a properly oriented stress element.
(c) The circumferential (hoop) and longitudinal strains.
(d) The absolute maximum shear strain.
Hint: the cross-section area of the tank can be calculated as 2nrt.
Helical weld
a
500 kN
H
500 kN
Transcribed Image Text:A pressurized tank is constructed with a helical weld that makes an angle a = 55° with the longitudinal axis. The tank has inner radius r = 0.6 m, wall thickness t = 18 mm, and internal pressure p = 1.2 MPa. The pressurized tank is also subjected to the compressive force of 500 kN shown in the figure. The tank has modulus of elasticity E = 200 GPa and Poisson's ratio v = 0.25. For a point II on the tank surface, determine the following quantities (40' in total): (a) The principal stresses and absolute maximum shear stress. (b) The normal and shear stresses acting on planes parallel and perpendicular to the weld; show these stresses on a properly oriented stress element. (c) The circumferential (hoop) and longitudinal strains. (d) The absolute maximum shear strain. Hint: the cross-section area of the tank can be calculated as 2nrt. Helical weld a 500 kN H 500 kN
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