A pressurized cylindrical tank with flat ends is loaded by torques T and tensile forces P (see figure). The tank has an inner radius of r = 141 mm and wall thickness t = 6.5 mm. The internal pressure p = 7.25 MPa and the torque T= 810 N. m. (Assume that the structure behaves linearly elastically and that the stresses caused by two or more loads may be superimposed to obtain the resultant stresses acting at a point. Consider both in-plane and out-of-plane shear stresses unless otherwise specified.) (a) What is the maximum permissible value of the forces P if the allowable tensile stress in the wall of the cylinder is 161 MPa? (Enter the magnitude in kN.) kN (b) If forces P- 400 kN, what is the maximum acceptable internal pressure in the tank (in MPa)? MPa

A pressurized cylindrical tank with flat ends is loaded by torques T and tensile forces P (see figure). The tank has an inner radius of r = 141 mm and wall thickness t = 6.5 mm. The internal pressure p = 7.25 MPa and the torque T= 810 N. m. (Assume that the structure behaves linearly elastically and that the stresses caused by two or more loads may be superimposed to obtain the resultant stresses acting at a point. Consider both in-plane and out-of-plane shear stresses unless otherwise specified.) (a) What is the maximum permissible value of the forces P if the allowable tensile stress in the wall of the cylinder is 161 MPa? (Enter the magnitude in kN.) kN (b) If forces P- 400 kN, what is the maximum acceptable internal pressure in the tank (in MPa)? MPa

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

Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.

Question

A pressurized cylindrical tank with flat ends is loaded by torques T and tensile forces P (see figure).
P
The tank has an inner radius of r = 141 mm and wall thickness t = 6.5 mm. The internal pressure p = 7.25 MPa and the torque T = 810 N • m. (Assume that the structure behaves linearly elastically and that the
stresses caused by two or more loads may be superimposed to obtain the resultant stresses acting at a point. Consider both in-plane and out-of-plane shear stresses unless otherwise specified.)
(a) What is the maximum permissible value of the forces P if the allowable tensile stress in the wall of the cylinder is 161 MPa? (Enter the magnitude in kN.)
kN
(b) If forces P = 400 kN, what is the maximum acceptable internal pressure in the tank (in MPa)?
MPa

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