4. A beam of rectangular cross section 40 mm by 100 mm is carrying a bending moment of M = 21 kN.m about its strong axis. Determine the residual stresses following removal of the bending moment (show the residual stress distribution). Consider oy = 240 MPa, and E = 200 GPa. Solution: 100 mm 40 mm

4. A beam of rectangular cross section 40 mm by 100 mm is carrying a bending moment of M = 21 kN.m about its strong axis. Determine the residual stresses following removal of the bending moment (show the residual stress distribution). Consider oy = 240 MPa, and E = 200 GPa. Solution: 100 mm 40 mm

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

4. A beam of rectangular cross section 40 mm by 100 mm is carrying a bending
moment of M = 21 kN.m about its strong axis. Determine the residual stresses
following removal of the bending moment (show the residual stress
distribution).
Consider oy = 240 MPa, and E = 200 GPa.
Solution:
100 mm
40 mm

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