A beam is subjected to equal bending moments of M₂ = 3300 N-m. The cross-sectional dimensions are b= 190 mm, c = 26 mm, d= 75 mm, and t = 5 mm. Determine: (a) the centroid location, the moment of inertia about the z axis, and the controlling section modulus about the z axis. (b) the bending stress at point H. Tensile stress is positive, while compressive stress is negative. (c) the bending stress at point K. Tensile stress is positive, while compressive stress is negative. (d) the maximum bending stress produced in the cross section. Tensile stress is positive, while compressive stress is negative. M₂ N M₂ (typ) H K d
A beam is subjected to equal bending moments of M₂ = 3300 N-m. The cross-sectional dimensions are b= 190 mm, c = 26 mm, d= 75 mm, and t = 5 mm. Determine: (a) the centroid location, the moment of inertia about the z axis, and the controlling section modulus about the z axis. (b) the bending stress at point H. Tensile stress is positive, while compressive stress is negative. (c) the bending stress at point K. Tensile stress is positive, while compressive stress is negative. (d) the maximum bending stress produced in the cross section. Tensile stress is positive, while compressive stress is negative. M₂ N M₂ (typ) H K d
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Step 1: Introduction and given data
The moment about the z-axis, Mz = 3300 Nm
b = 190mm, d = 75mm , c = 26mm, and t = 5mm
Tensile stress (+)ive and compressive (-)ive.
To determine
- The centroid and the neutral axis about the z-axis and the controlling section modulus about the z-axis
- The bending stress at point H
- The bending stress at point K
- The maximum bending stress in the cross-section.
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