A built-up section is composed of two (2) channels and a baseplate. To determine its strength against loads, the following should be calculated (note: moment of inertia should be about centroidal x and y axes): [8] Tx (ANSWER: 360.354x10^6 mm^4) [9] Ty (ANSWER: 109.106x10^6 mm^4)| [10] rx (ANSWER: 135.940 mm) Properties of channel (C310x30.8): = A = 3920 mm²; d=305 mm; by 74.7 mm; tw = 7.16mm; t = 12.7 mm; x = 17.7 mm ; 1x = 53.7 x 10 mm²; Iy = 1.61 x 106 mm² Properties of channel (C380x74): A = 9480 mm²; d= 381 mm; b = 94.5 mm ; tw = 18.2 mm; t = 16.5 mm; x = 20.3 mm; Ix=168 x 106 mm²; ly = 4.58 x 106 mm² y flange BP305x20 C310X30.8 web 105.2500- -C380X74 tw- tf bf
A built-up section is composed of two (2) channels and a baseplate. To determine its strength against loads, the following should be calculated (note: moment of inertia should be about centroidal x and y axes): [8] Tx (ANSWER: 360.354x10^6 mm^4) [9] Ty (ANSWER: 109.106x10^6 mm^4)| [10] rx (ANSWER: 135.940 mm) Properties of channel (C310x30.8): = A = 3920 mm²; d=305 mm; by 74.7 mm; tw = 7.16mm; t = 12.7 mm; x = 17.7 mm ; 1x = 53.7 x 10 mm²; Iy = 1.61 x 106 mm² Properties of channel (C380x74): A = 9480 mm²; d= 381 mm; b = 94.5 mm ; tw = 18.2 mm; t = 16.5 mm; x = 20.3 mm; Ix=168 x 106 mm²; ly = 4.58 x 106 mm² y flange BP305x20 C310X30.8 web 105.2500- -C380X74 tw- tf bf
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...
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![A built-up section is composed of two (2) channels and a baseplate. To determine its strength against loads,
the following should be calculated (note: moment of inertia should be about centroidal x and y axes):
[8] Tx (ANSWER: 360.354x10^6 mm^4)
[9] Ty (ANSWER: 109.106x10^6 mm^4)|
[10] rx (ANSWER: 135.940 mm)
Properties of channel (C310x30.8):
=
A = 3920 mm²; d=305 mm; by 74.7 mm;
tw = 7.16mm; t = 12.7 mm; x = 17.7 mm ;
1x
= 53.7 x 10 mm²; Iy = 1.61 x 106 mm²
Properties of channel (C380x74):
A = 9480 mm²; d= 381 mm; b = 94.5 mm ;
tw = 18.2 mm; t = 16.5 mm; x = 20.3 mm;
Ix=168 x 106 mm²; ly = 4.58 x 106 mm²
y
flange
BP305x20
C310X30.8
web
105.2500-
-C380X74
tw-
tf
bf](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F58cf2fd1-1dca-4045-beea-52ef2377cfc9%2F82089b68-0962-42bf-9e59-77292041817f%2F5tu6uqy_processed.png&w=3840&q=75)
Transcribed Image Text:A built-up section is composed of two (2) channels and a baseplate. To determine its strength against loads,
the following should be calculated (note: moment of inertia should be about centroidal x and y axes):
[8] Tx (ANSWER: 360.354x10^6 mm^4)
[9] Ty (ANSWER: 109.106x10^6 mm^4)|
[10] rx (ANSWER: 135.940 mm)
Properties of channel (C310x30.8):
=
A = 3920 mm²; d=305 mm; by 74.7 mm;
tw = 7.16mm; t = 12.7 mm; x = 17.7 mm ;
1x
= 53.7 x 10 mm²; Iy = 1.61 x 106 mm²
Properties of channel (C380x74):
A = 9480 mm²; d= 381 mm; b = 94.5 mm ;
tw = 18.2 mm; t = 16.5 mm; x = 20.3 mm;
Ix=168 x 106 mm²; ly = 4.58 x 106 mm²
y
flange
BP305x20
C310X30.8
web
105.2500-
-C380X74
tw-
tf
bf
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