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

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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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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