Situation 7 - A timber beam 150 mm wide x 250 mm deep is simply supported over a span of 3 m. The allowable stresses in bending and shear are respectively 13.9 MPa and 1.48 MPa. Modulus of elasticity E 5.83 GPa. The beam supports a uniform load "w" over its entire span. 33. Calculate "w" bases on bending, in kN/m. C. 26 D. 24.67 A. 19.31 B. 21.11 34. Calculate "w" bases on shear, in kN/m. A. 26 B. 19.31 C. 24.67 D. 21.11 35. Using the safe value of "w", what is the midspan deflection of the beam in mm? A. 24.08 B. 22.85 C. 20.52 D. 26.34
Situation 7 - A timber beam 150 mm wide x 250 mm deep is simply supported over a span of 3 m. The allowable stresses in bending and shear are respectively 13.9 MPa and 1.48 MPa. Modulus of elasticity E 5.83 GPa. The beam supports a uniform load "w" over its entire span. 33. Calculate "w" bases on bending, in kN/m. C. 26 D. 24.67 A. 19.31 B. 21.11 34. Calculate "w" bases on shear, in kN/m. A. 26 B. 19.31 C. 24.67 D. 21.11 35. Using the safe value of "w", what is the midspan deflection of the beam in mm? A. 24.08 B. 22.85 C. 20.52 D. 26.34
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Situation 7 - A timber beam 150 mm wide x 250 mm deep is
simply supported over a span of 3 m. The allowable stresses in
bending and shear are respectively 13.9 MPa and 1.48 MPa.
Modulus of elasticity E= 5.83 GPa. The beam supports a
uniform load "w" over its entire span.
33. Calculate "w" bases on bending, in kN/m.
A. 19.31
C. 26
B. 21.11
D. 24.67
34. Calculate "w" bases on shear, in kN/m.
A. 26
C. 24.67
B. 19.31
D. 21.11
35. Using the safe value of "w", what is the midspan deflection of
the beam in mm?
A. 24.08
C. 20.52
D. 26.34
B. 22.85
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