A.W 4 A simple beam on a 10 ft span supports a uniform load of intensity 800 lb/ft (see figure). The beam consists of a wood member (4 in. × 11.5 in. in cross section) that is reinforced by 0.25 in. thick steel plates on top and bottom. The moduli of elasticity for the steel and wood are E, 30 × 10° psi and E, = 1.5 × 10° psi, respectively. Calculate the maximum bending stresses o, in the steel plates and o, in the wood member due to the uniform load.
A.W 4 A simple beam on a 10 ft span supports a uniform load of intensity 800 lb/ft (see figure). The beam consists of a wood member (4 in. × 11.5 in. in cross section) that is reinforced by 0.25 in. thick steel plates on top and bottom. The moduli of elasticity for the steel and wood are E, 30 × 10° psi and E, = 1.5 × 10° psi, respectively. Calculate the maximum bending stresses o, in the steel plates and o, in the wood member due to the uniform load.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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