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A wood beam with cross-sectional dimensions X mm x Y mm is reinforced on its sides by steel plates 12 mm thick as shown in Figure Q5(b). The moduli of elasticity for the steel and wood are E: = 190 GPa and Ex=11 GPa, respectively. Also, the corresponding allowable stresses are o ;= 110 MPa and o, = 75 MPa. The parameter of X and Y are

A wood beam with cross-sectional dimensions X mm x Y mm is reinforced on its sides by steel plates 12 mm thick as shown in Figure Q5(b). The moduli of elasticity for the steel and wood are E: = 190 GPa and Ex=11 GPa, respectively. Also, the corresponding allowable stresses are o ;= 110 MPa and o, = 75 MPa. The parameter of X and Y are

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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12 mm X -Y mm mm 12 mm 12 mm 12 mm (i) (ii) Figure Q5 (b) Table Q5(b): Parameter of the board dimension Student with EVEN last digits ofmatric number Parameter (AD20xxxZ) Z = 0,2,4,6,8 300 mm 400 mm mm
Transcribed Image Text:12 mm X -Y mm mm 12 mm 12 mm 12 mm (i) (ii) Figure Q5 (b) Table Q5(b): Parameter of the board dimension Student with EVEN last digits ofmatric number Parameter (AD20xxxZ) Z = 0,2,4,6,8 300 mm 400 mm mm
(b) A wood beam with cross-sectional dimensions X mm x Y mm is reinforced on its sides by steel plates 12 mm thick as shown in Figure Q5(b). The moduli of elasticity for the steel and wood are E: = 190 GPa and Ew = 11 GPa, respectively. Also, the corresponding allowable stresses are o ;= 110 MPa and o, = 75 MPa. The parameter of X and Y are given in Table Q5(b). (i) Calculate the maximum permissible bending moment Mmax When the beam is bent about the z axis. (ii) Repeat part (i) if the beam is now bent about its y axis.
Transcribed Image Text:(b) A wood beam with cross-sectional dimensions X mm x Y mm is reinforced on its sides by steel plates 12 mm thick as shown in Figure Q5(b). The moduli of elasticity for the steel and wood are E: = 190 GPa and Ew = 11 GPa, respectively. Also, the corresponding allowable stresses are o ;= 110 MPa and o, = 75 MPa. The parameter of X and Y are given in Table Q5(b). (i) Calculate the maximum permissible bending moment Mmax When the beam is bent about the z axis. (ii) Repeat part (i) if the beam is now bent about its y axis.
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