A beam has a bending moment of 4.5 kN-m applied to a section with a hollow circular cross-section of external diameter 3.8 cm and internal diameter 2.1 cm . The modulus of elasticity for the material is 210 x 109 N/m2. Calculate the radius of curvature and maximum bending stress. Also, calculate the stress at the point at 0.6 cm from the neutral axis (i) The moment of inertia = ii) The radius of curvature is : (iii) The maximum bending stress is:

A beam has a bending moment of 4.5 kN-m applied to a section with a hollow circular cross-section of external diameter 3.8 cm and internal diameter 2.1 cm . The modulus of elasticity for the material is 210 x 109 N/m2. Calculate the radius of curvature and maximum bending stress. Also, calculate the stress at the point at 0.6 cm from the neutral axis (i) The moment of inertia = ii) The radius of curvature is : (iii) The maximum bending stress is:

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.5.8P: The cross section of a steel beam is shown in the figure. This beam is subjected to a bending moment...

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A beam has a bending moment of 4.5 kN-m applied to a section with a hollow circular cross-section of external diameter 3.8 cm and internal diameter 2.1 cm . The modulus of elasticity for the material is 210 x 10⁹ N/m². Calculate the radius of curvature and maximum bending stress. Also, calculate the stress at the point at 0.6 cm from the neutral axis

(i) The moment of inertia =

ii) The radius of curvature is :

(iii) The maximum bending stress is:

iv) The bending stress at the point 0.6 cm from the neutral axis is :

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