The 6 × 12-in. timber beam has been strengthened by bolting to it the steel reinforcement shown. The modulus of elasticity for wood is 1.8 × 106 psi and for steel, 29 × moment M= 454 kip-in., determine the maximum stress in the wood and in the steel. 106 psi. Knowing that the beam is bent about a horizontal axis by a couple of
The 6 × 12-in. timber beam has been strengthened by bolting to it the steel reinforcement shown. The modulus of elasticity for wood is 1.8 × 106 psi and for steel, 29 × moment M= 454 kip-in., determine the maximum stress in the wood and in the steel. 106 psi. Knowing that the beam is bent about a horizontal axis by a couple of
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The 6 x 12-in. timber beam has been strengthened by bolting to it the steel reinforcement shown. The modulus of elasticity
for wood is 1.8 × 10° psi and for steel, 29 x 10° psi. Knowing that the beam is bent about a horizontal axis by a couple of
moment M= 454 kip-in., determine the maximum stress in the wood and in the steel.
6 in.-
12 in.
C8 X 11.5
2 ksi (include a negative sign).
The maximum compressive stress in the block of wood is
The maximum tensile stress in the steel is
ksi.
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