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6.2-2 A wood beam with cross-sectional dimensions 200 mm x 300 mm is reinforced on its sides by steel plates 12 mm thick (see figure). The moduli of elasticity for the steel and wood are E,- 190 GPa and E-11 GPa, res- pectively. Also, the corresponding allowable stresses are o, = 110 MPa and o, = 7.5 MPa. (a) Calculate the maximum permissible bending moment Mx when the beam is bent about the z axis. (b) Repeat part a if the beam is now bent about its y axis. 昌, 12 mm 300 mm 200 mm 200 mm

6.2-2 A wood beam with cross-sectional dimensions 200 mm x 300 mm is reinforced on its sides by steel plates 12 mm thick (see figure). The moduli of elasticity for the steel and wood are E,- 190 GPa and E-11 GPa, res- pectively. Also, the corresponding allowable stresses are o, = 110 MPa and o, = 7.5 MPa. (a) Calculate the maximum permissible bending moment Mx when the beam is bent about the z axis. (b) Repeat part a if the beam is now bent about its y axis. 昌, 12 mm 300 mm 200 mm 200 mm

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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- w oog (b) M 6.2-2 A wood beam with cross-sectional dimensions 200 mm x 300 mm is reinforced on its sides by steel plates 12 mm thick (see figure). The moduli of elasticity for the steel and wood are E,- 190 GPa and E 11 GPa, res- pectively. Also, the corresponding allowable stresses are a, = 110 MPa and o, = 7.5 MPa. (a) Calculate the maximum permissible bending moment Mx when the beam is bent about the z axis. (b) Repeat part a if the beam is now bent about its y axis. 12 mm 200 mm 12 mm 300 mm 12 mm 12 mm STEEL Ms (a) 200 mm
Transcribed Image Text:- w oog (b) M 6.2-2 A wood beam with cross-sectional dimensions 200 mm x 300 mm is reinforced on its sides by steel plates 12 mm thick (see figure). The moduli of elasticity for the steel and wood are E,- 190 GPa and E 11 GPa, res- pectively. Also, the corresponding allowable stresses are a, = 110 MPa and o, = 7.5 MPa. (a) Calculate the maximum permissible bending moment Mx when the beam is bent about the z axis. (b) Repeat part a if the beam is now bent about its y axis. 12 mm 200 mm 12 mm 300 mm 12 mm 12 mm STEEL Ms (a) 200 mm
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