The built-up beam is subjected to a moment of M = 80 kNm.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter9: Moments And Products Of Inertia Of Areas
Section: Chapter Questions
Problem 9.13P: Figure (a) shows the cross section of a column that uses a structural shape known as W867...
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The built-up beam is subjected to a moment of M = 80 kNm.
d₁
d₂
d3
d₁
d5
d3
do
wamap.org
Value
d₂
Values for the figure are given in the following table. Note
the figure may not be to scale.
Variable
128 mm
22 mm
276 mm
11 mm
138 mm
d4
12 mm
M₁
de
d5
a. Determine the distance from the Neutral Axis to the
top of the beam, NA.
b. Determine the mass moment of inertia of the beam, I.
Determine the max compressive stress acting on the
c.
beam, compression.
d. Determine the max tensile stress acting on the beam,
Tin
Transcribed Image Text:The built-up beam is subjected to a moment of M = 80 kNm. d₁ d₂ d3 d₁ d5 d3 do wamap.org Value d₂ Values for the figure are given in the following table. Note the figure may not be to scale. Variable 128 mm 22 mm 276 mm 11 mm 138 mm d4 12 mm M₁ de d5 a. Determine the distance from the Neutral Axis to the top of the beam, NA. b. Determine the mass moment of inertia of the beam, I. Determine the max compressive stress acting on the c. beam, compression. d. Determine the max tensile stress acting on the beam, Tin
09:54
Values for the figure are given in the following table. Note
the figure may not be to scale.
Variable
d₁
d₂
d3
d4
d5
do
Value
wamap.org
compression
128 mm
= 109
22 mm
a. Determine the distance from the Neutral Axis to the
top of the beam, NA.
b. Determine the mass moment of inertia of the beam, I.
c. Determine the max compressive stress acting on the
= 8.83
tension
276 mm
11 mm
beam, compression*
d. Determine the max tensile stress acting on the beam,
tension.
138 mm
12 mm
Round your final answers to 3 significant digits/figures.
NA = 187
I = 0.00000657 x m²
x mm
X MPa
X MPa
Transcribed Image Text:09:54 Values for the figure are given in the following table. Note the figure may not be to scale. Variable d₁ d₂ d3 d4 d5 do Value wamap.org compression 128 mm = 109 22 mm a. Determine the distance from the Neutral Axis to the top of the beam, NA. b. Determine the mass moment of inertia of the beam, I. c. Determine the max compressive stress acting on the = 8.83 tension 276 mm 11 mm beam, compression* d. Determine the max tensile stress acting on the beam, tension. 138 mm 12 mm Round your final answers to 3 significant digits/figures. NA = 187 I = 0.00000657 x m² x mm X MPa X MPa
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