Situation 2. W 27 x 178 Properties of Section: Weight = 265.4 kg/m Area = 33,742 mm² Depth = 706.4 mm Web thickness = 18.4 mm Flange width = 357.8 mm Flange thickness = 30.2 mm I; = 94.49 mm The beam is simply supported at its end. I - 2,909,458 x 10ª mmª S=8,237.4 x 10ª mm² Ix = 293.64 mm Iy = 231,008 x 10ª mmª S, 1,291.3 x 10 mm² Iy- 82.74 mm F,-250 MPa %3D a) Determine the allowable bending stress of the beam over an unsupported length of 4m. b) Determine the allowable bending stress of the beam over an unsupported length of 8m. c) Determine the allowable bending stress of the beam over an unsupported length of 10m. d) Determine the allowable bending stress of the beam over an unsupported length of 12m.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Situation 2.
W 27 x 178 Properties of Section:
Weight = 265.4 kg/m
Area = 33,742 mm²
Depth = 706.4 mm
k = 2,909,458 x 10ª mmª
Sx = 8,237.4 x 10ª mm²
293.64 mm
%3D
%3!
%3!
!3!
Ix
Iy = 231,008 x 10³ mmª
S, = 1,291.3 x 10ª mm²
Iy = 82.74 mm
Fy = 250 MPa
Web thickness =
18.4 mm
%3!
Flange width = 357.8 mm
Flange thickness = 30.2 mm
I; = 94.49 mm
The beam is simply supported at its end.
%3D
%3D
%3D
a) Determine the allowable bending stress of the beam over an unsupported length
of 4m.
b) Determine the allowable bending stress of the beam over an unsupported length
of 8m.
c) Determine the allowable bending stress of the beam over an unsupported length
of 10m.
d) Determine the allowable bending stress of the beam over an unsupported length
of 12m.
Transcribed Image Text:Situation 2. W 27 x 178 Properties of Section: Weight = 265.4 kg/m Area = 33,742 mm² Depth = 706.4 mm k = 2,909,458 x 10ª mmª Sx = 8,237.4 x 10ª mm² 293.64 mm %3D %3! %3! !3! Ix Iy = 231,008 x 10³ mmª S, = 1,291.3 x 10ª mm² Iy = 82.74 mm Fy = 250 MPa Web thickness = 18.4 mm %3! Flange width = 357.8 mm Flange thickness = 30.2 mm I; = 94.49 mm The beam is simply supported at its end. %3D %3D %3D a) Determine the allowable bending stress of the beam over an unsupported length of 4m. b) Determine the allowable bending stress of the beam over an unsupported length of 8m. c) Determine the allowable bending stress of the beam over an unsupported length of 10m. d) Determine the allowable bending stress of the beam over an unsupported length of 12m.
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