a. Compute the allowable bending stress with the size factor adjustment in MPA b. Compute the allowable bending stress with lateral stability adjustment in MPa c. Compute the safe uniform load “W” that the beam could carry in KN/m. (choose the smallest of prob. a and b.) use M=wl^2 / 8
a. Compute the allowable bending stress with the size factor adjustment in MPA b. Compute the allowable bending stress with lateral stability adjustment in MPa c. Compute the safe uniform load “W” that the beam could carry in KN/m. (choose the smallest of prob. a and b.) use M=wl^2 / 8
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A single-span beam having unsupported length of 8m. has a cross section of
200mm x 350mm. (use nominal dimension). It carries a uniformly distributed
load “W” kN/m throughout its span. Allowable bending stress is Fb=9.6 MPa and a modulus of elasticity of 13800 MPa. From the table, the effective length
Le=1.92 Lu where Lu=unsupported length of beam.
a. Compute the allowable bending stress with the size factor adjustment in MPA
b. Compute the allowable bending stress with lateral stability adjustment in MPa
c. Compute the safe uniform load “W” that the beam could carry in KN/m. (choose the smallest of prob. a and b.) use M=wl^2 / 8
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