A built-up section consists of S150x26 and two channels C380x74 having an effective length of 6m. The section is pin connected at both ends. Use A572 Grade 50 Steel (Fy = 345.58MPA) and NSCP2010 Specifications. a. Compute the slenderness ratio of the column section. b. Compute the allowable compressive axial stress. c. Compute the capacity of the column section.
A built-up section consists of S150x26 and two channels C380x74 having an effective length of 6m. The section is pin connected at both ends. Use A572 Grade 50 Steel (Fy = 345.58MPA) and NSCP2010 Specifications. a. Compute the slenderness ratio of the column section. b. Compute the allowable compressive axial stress. c. Compute the capacity of the column section.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:A built-up section consists of S150x26 and two channels C380x74 having an effective length of 6m. The section
is pin connected at both ends. Use A572 Grade 50 Steel (Fy = 345.58MPA) and NSCP2010 Specifications.
a. Compute the slenderness ratio of the column section.
b. Compute the allowable compressive axial stress.
c. Compute the capacity of the column section.
Properties of One C380x74
A = 9,480mm2
Ix = 168 x 106 mm4
ly = 4.6 x 106 mmª
x = 20.3mm
d = 381mm
20.3
-73.9
20.3
-73.9-
rx = 133mm
Ty = 22mm
tw = 18.2mm
(s isox26
Properties of One S150x26
A = 3,250mm2
Ix = 10.8 x 106 mm4
ly = 0.952 x 106 mm4
d = 152mm
rx = 57.7mm
ry = 17.1mm
C 380x74
-152-
18.2
18.2
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