Problem 1: The steel beam is constructed by welding three rectangular pieces into a complex cross sectional shape, as shown below. The beam is subjected to an internal vertical shear force V = 40 N and an internal bending moment M = +80 N-m. Note that the moment M acts about the horizontal neutral axis of the cross section (labeled NA). 10 mm 10 mm 10 mm 40 mm 20 mm 20 mm M 10 mm 10 mm A (a) Determine the maximum tensile bending stress. (b) Determine the maximum compressive bending stress. (c) Determine the maximum transverse shear stress. (d) Determine the transverse shear stress in the weld, which is located at point C.
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Introduction
Tensile bending stress occurs when a force is applied in tension to a material and causes it to bend. Compressive bending stress occurs when a force is applied in compression to a material and causes it to bend. Both types of bending stress can cause a material to fail, but the exact type of bending stress will depend on the material's properties and its ability to resist the applied force.
Given data:
Find out:
(a). The maximum tensile bending stress.
(b). The maximum compressive bending stress.
(c). The maximum transverse shear stress.
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