A built-up section fabricated by attaching a C180x15 to a W250x18 shape with 15 mm rivets as shown.Determine the moment of inertia at the centroid of the built-up section. Properties of C180x15 channel.5.3]]13.8J=78.26130.80A = 1850 mm²Ix = 8.86x106 mm*%3Dtw = 5.3mmly = 0.405x106 mm*64.46x= 13.8 mmN.A.52.54251Properties of W250x18A = 2270 mm²bf= 101 mmIx = 22.4x106mm*d= 251 mmtw= 4.8 mmtf= 5.3 mm101

Parallel axis theorm: moment of inertia about centroidal axis (IXX)=Moment of inertia about centre+…

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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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A built-up section fabricated by attaching a C180x15 to a W250x18 shape with 15 mm rivets as shown.
Determine the moment of inertia at the centroid of the built-up section.

Properties of C180x15 channel.
5.3]]
13.8
J=78.26
130.80
A = 1850 mm²
Ix = 8.86x106 mm*
%3D
tw = 5.3mm
ly = 0.405x106 mm*
64.46
x= 13.8 mm
N.A.
52.54
251
Properties of W250x18
A = 2270 mm²
bf= 101 mm
Ix = 22.4x106mm*
d= 251 mm
tw= 4.8 mm
tf= 5.3 mm
101

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