Answered: Two channel are welded at the tip of…

Two channel are welded at the tip of their flanges to 16.5 mm form a box column Properties of single channel: A = 5690 mm² d = 254 mm be = 77 mm t = 11 mm 17 mm- %3D

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

100%

Principles of Steel Design

A. Determine the critical slenderness ratio

B. Determine the critical load to avoid buckling of column.

C. Safe axial load for the column based on NSCP.

Use ASD of NSCP 2001

y
Two channel are welded at the tip of their flanges to
16.5 mm
form a box column
Properties of single channel:
A = 5690 mm?
d = 254 mm
17 mm
bf = 77 mm
tf = 11 mm
tw = 17 mm
254 mm
Xx = 16.5 mm
y = 42.87 x 106 mm4
ly = 1.64 x 106 mm4
The column is 5.0 m in length and hinged at both ends,
use fy = 248 MPa
11 mm
77 mm

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