Practice Problem 1 A steel column carries an axial load of 1000 kN, a moment of 70 kN-m at the top and moment 50 kN-m at the bottom. The two moments are applied in the same direction about the x-axis. Using the NSCP specifications, determine the following: A = 13000 mm² d = 350 mm bf = 360 mm tf tw = 12 mm K = 1.0 = 18 mm Properties a) Compressive stress if axial load only existed. b) Bending stress if bending moment alone existed. rx = 109 mm ry = 94 mm Fy = 345 MPa Sx = 2340x10³ mm³ F₂ = 99 MPa L = 3.6 m c) Allowable Compressive Stress. d) Factor of Safety. e) Allowable Bending Stress. f) From the interaction formula, compute the interaction value assuming the column is braced against
Practice Problem 1 A steel column carries an axial load of 1000 kN, a moment of 70 kN-m at the top and moment 50 kN-m at the bottom. The two moments are applied in the same direction about the x-axis. Using the NSCP specifications, determine the following: A = 13000 mm² d = 350 mm bf = 360 mm tf tw = 12 mm K = 1.0 = 18 mm Properties a) Compressive stress if axial load only existed. b) Bending stress if bending moment alone existed. rx = 109 mm ry = 94 mm Fy = 345 MPa Sx = 2340x10³ mm³ F₂ = 99 MPa L = 3.6 m c) Allowable Compressive Stress. d) Factor of Safety. e) Allowable Bending Stress. f) From the interaction formula, compute the interaction value assuming the column is braced against
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Practice Problem 1
A steel column carries an axial load of 1000 kN, a moment of 70 kN-m at the top and moment 50 kN-m
at the bottom. The two moments are applied in the same direction about the x-axis. Using the NSCP
specifications, determine the following:
A = 13000 mm²
d = 350 mm
= 360 mm
bf
tf = 18 mm
tw = 12 mm
K = 1.0
Properties
a) Compressive stress if axial load only existed.
b) Bending stress if bending moment alone existed.
c) Allowable Compressive Stress.
d) Factor of Safety.
rx = 109 mm
ry = 94 mm
F₂ =
Sx = 2340x10³ mm³
F₂ = 99 MPa
L = 3.6m
= 345 MPa
e) Allowable Bending Stress.
f) From the interaction formula, compute the interaction value assuming the column is braced against
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