Discussion :: Steel Structure Design - Section 2 (Q.No.44)
|Prem Lakwad said: (May 26, 2017)|
|Options A is correct because face to face provide large value of radius gyration.|
|Prem Lakwad said: (May 28, 2017)|
|Channel is used as column flange then option B is correct.|
|Ritu said: (Dec 17, 2017)|
|Channel should be placed back to back when less radius of gyration is required.
And should be placed face to face when the large radius of gyration is desirable.
|Pellu said: (Jun 1, 2018)|
|According to me, Option A is correct.|
|Ashu said: (Sep 9, 2019)|
|Shivakant said: (Oct 1, 2020)|
|The option B is correct;
(1) For outward (back to back) Iyy>Ixx
(2) For inward (face to face) Iyy<Ixx
Ixx is same for both the cases but Iyy from the case-(2) will be least.
So, the minimum moment of inertia will be from the case-(2) and so the minimum radius of gyration.
|Ishu said: (Apr 15, 2021)|
|option [a] and [c] both are correct|
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