A spherical tank has an inside diameter of 3.85 m. The tank is to contain gas at an internal pressure of 2.7 MPa. If the tangential stress is not to exceed 180 MPa, determine the minimum required thickness of the tank wall.

A spherical tank has an inside diameter of 3.85 m. The tank is to contain gas at an internal pressure of 2.7 MPa. If the tangential stress is not to exceed 180 MPa, determine the minimum required thickness of the tank wall.

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

11. A spherical tank has an inside diameter of 3.85 m. The tank is to contain gas at an internal
pressure of 2.7 MPa. If the tangential stress is not to exceed 180 MPa, determine the minimum
required thickness of the tank wall.

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