2. Two channels are welded at the top and bottom flange to form a box column and a compact section Properties of each channel A = 5350 mm² d = 250 mm b, = 100 mm t₁ = 15 mm t₂ = 10 mm I, = 52 x 10 mm 1,= 5 x 10 mm = 29 mm F₁==345 MPa If the length of the columns 4 m and K = 1.0 both axes A. Determine the critical slenderness ratio of the built up column B. Calculate the allowable and ultimate axial load of the column

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Please answer the problem attached image.

Thank you very much.

Principle Steel design

Hint: a)kl/r=51.74,b)Pa=1817.28kn,Pu=2731.37kn

2. Two channels are welded at the top and bottom flange to form a box column and a compact section
Properties of each channel
A = 5350 mm²
d = 250 mm
b, 100 mm
t = 15 mm
t = 10 mm
I= 52 x 10 mm*
I,= 5 x 10 mm
= 29 mm
F,==345 MPa
If the length of the columns 4 m and K = 1.0 both axes
A. Determine the critical slenderness ratio of the built up column
B. Calculate the allowable and ultimate axial load of the column
Transcribed Image Text:2. Two channels are welded at the top and bottom flange to form a box column and a compact section Properties of each channel A = 5350 mm² d = 250 mm b, 100 mm t = 15 mm t = 10 mm I= 52 x 10 mm* I,= 5 x 10 mm = 29 mm F,==345 MPa If the length of the columns 4 m and K = 1.0 both axes A. Determine the critical slenderness ratio of the built up column B. Calculate the allowable and ultimate axial load of the column
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