Problem 3 The steel (E = 30,000 ksi and v= 0.30) cylindrical tank shown below is fabricated from spirally wrapped metal plates that are welded at the seams in the orientation shown. The 55° line is perpendicular to the weld line, so the weld makes an angle of 35° with the x axis. The tank has an inside diameter of 60 in. and a wall thickness of 0.375 in. The internal pressure is 250 psi. Determine the following quantities for the cylindrical portion of the tank: a) The circumferential stress. b) The strain in the circumferential direction. c) The maximum in-plane shear stress. d) The normal stress and shear stress on the weld plane. !!

Problem 3 The steel (E = 30,000 ksi and v= 0.30) cylindrical tank shown below is fabricated from spirally wrapped metal plates that are welded at the seams in the orientation shown. The 55° line is perpendicular to the weld line, so the weld makes an angle of 35° with the x axis. The tank has an inside diameter of 60 in. and a wall thickness of 0.375 in. The internal pressure is 250 psi. Determine the following quantities for the cylindrical portion of the tank: a) The circumferential stress. b) The strain in the circumferential direction. c) The maximum in-plane shear stress. d) The normal stress and shear stress on the weld plane. !!

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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Question

**Problem 3**

The steel (E = 30,000 ksi and ν = 0.30) cylindrical tank shown below is fabricated from spirally wrapped metal plates that are welded at the seams in the orientation shown. The 55° line is perpendicular to the weld line, so the weld makes an angle of 35° with the x axis. The tank has an inside diameter of 60 in. and a wall thickness of 0.375 in. The internal pressure is 250 psi.

Determine the following quantities for the cylindrical portion of the tank:
a) The circumferential stress.
b) The strain in the circumferential direction.
c) The maximum in-plane shear stress.
d) The normal stress and shear stress on the weld plane.

**Diagram Explanation:**

The image includes a diagram of the cylindrical tank with markings. The diagram shows:
- A cylindrical tank with lines indicating the orientations of stresses.
- A line at a 55° angle with respect to the main body of the cylinder, illustrating the angle of the weld with the axis.

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