A beam is subjected to equal 20.5 kip-ft bending moments. Assume t₁ = t₂=tw 1 in., d = 10 in., b₁ = 5 in., and b₂ = 8 in. The cross sectional dimensions of the beam are illustrated. Determine: (a) the distance y to the centroid (measured from the bottom), the moment of inertial about the z axis, and the controlling sect modulus S₂ about the z axis. (b) the bending stress , at point H (positive if tension, negative if compression). (c) the bending stress ok at point K (positive if tension, negative if compression). (d) the maximum bending stress max produced in the cross section (positive if tension, negative if compression). M M x 41 N b₁ H
A beam is subjected to equal 20.5 kip-ft bending moments. Assume t₁ = t₂=tw 1 in., d = 10 in., b₁ = 5 in., and b₂ = 8 in. The cross sectional dimensions of the beam are illustrated. Determine: (a) the distance y to the centroid (measured from the bottom), the moment of inertial about the z axis, and the controlling sect modulus S₂ about the z axis. (b) the bending stress , at point H (positive if tension, negative if compression). (c) the bending stress ok at point K (positive if tension, negative if compression). (d) the maximum bending stress max produced in the cross section (positive if tension, negative if compression). M M x 41 N b₁ H
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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