Determine the Allowable Compressive Stress
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A steel column carries an axial load of 808 kN and a moment of 76 kN-m at the top and moment at the bottom which is only70% of the moment at the top. The two moments are in opposite direction and applied about the x-axis and the steel section has the following properties:
A = 13080 mm2
rx = 109 mm
ry = 94 mm
Sx = 1200 x 103 mm3
K = 1.0
L= 3.6 m
E = 200,000 Mpa
Fy = 248 Mpa
Use NSCP specification for compressive stress and Fb =148 Mpa.
Determine the Allowable Compressive Stress.
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