SITUATION B. A built-up section shown, 24 feet long, is pinned at the top and fixed at the bottom and braced in the weak direction at the third points. A992 steel is used. Determine the following: 5. Ix 6.ry 7. effective slenderness ratio 8. Fe 9. LRFD design strength 10. ASD allowable strength

SITUATION B. A built-up section shown, 24 feet long, is pinned at the top and fixed at the bottom and braced in the weak direction at the third points. A992 steel is used. Determine the following: 5. Ix 6.ry 7. effective slenderness ratio 8. Fe 9. LRFD design strength 10. ASD allowable strength

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

PLEASE ANSWER ASAP

SITUATION B.
A built-up section shown, 24
feet long, is pinned at the top and fixed at the
bottom and braced in the weak direction at the
third points. A992 steel is used. Determine the
following:
5. IX
6. ry
7. effective slenderness ratio
8. Fe
9. LRFD design strength
10. ASD allowable strength
PL 3×6
C9x20
A = 5.87 in ²
bf=2.65 in
d - 9mm
tf 0 413 in
tw=0.448 in
* 0.583 in
Ix= 60 9in4
Ty= 2.41 in 4

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given data

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determination of moment of inertia of given section

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determination of radius of gyration

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determination of effective slenderness ratio of given section

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determination of critical stress(Fe)

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determination of design compressive strength by LFRD & ASD

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