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mn to suppor (15 pts) Situation 3. Two channels are welded at the tip of their flanges to form a box column. The column is 7m long, pinned at the top and fixed at the bottom. It is laterally supported at the midheight of its weak axis. Use Fy= 248 MPa Properties of one channel section: A=5690 mm² d = 254 mm b₁ = 77 mm tr = 11 mm tw = 17mm x 16.5 mm (centroid from the back of channel) lx 42.87 x 106 mm4 ly 1.64 x 106 mm4 ure ature 11. Compute the effective slenderness ratio of the column for buckling. 12. Calculate the critical buckling load (kN) of the column. 13. Calculate the nominal strength (kN) of the column

mn to suppor (15 pts) Situation 3. Two channels are welded at the tip of their flanges to form a box column. The column is 7m long, pinned at the top and fixed at the bottom. It is laterally supported at the midheight of its weak axis. Use Fy= 248 MPa Properties of one channel section: A=5690 mm² d = 254 mm b₁ = 77 mm tr = 11 mm tw = 17mm x 16.5 mm (centroid from the back of channel) lx 42.87 x 106 mm4 ly 1.64 x 106 mm4 ure ature 11. Compute the effective slenderness ratio of the column for buckling. 12. Calculate the critical buckling load (kN) of the column. 13. Calculate the nominal strength (kN) of the column

Structural Analysis
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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mn to suppor (15 pts) Situation 3. Two channels are welded at the tip of their flanges to form a box column. The column is 7m long, pinned at the top and fixed at the bottom. It is laterally supported at the midheight of its weak axis. Use Fy= 248 MPa Properties of one channel section: A=5690 mm² d = 254 mm b₁ = 77 mm tr = 11 mm tw = 17mm x 16.5 mm (centroid from the back of channel) lx 42.87 x 106 mm4 ly 1.64 x 106 mm4 ure ature 11. Compute the effective slenderness ratio of the column for buckling. 12. Calculate the critical buckling load (kN) of the column. 13. Calculate the nominal strength (kN) of the column
Transcribed Image Text:mn to suppor (15 pts) Situation 3. Two channels are welded at the tip of their flanges to form a box column. The column is 7m long, pinned at the top and fixed at the bottom. It is laterally supported at the midheight of its weak axis. Use Fy= 248 MPa Properties of one channel section: A=5690 mm² d = 254 mm b₁ = 77 mm tr = 11 mm tw = 17mm x 16.5 mm (centroid from the back of channel) lx 42.87 x 106 mm4 ly 1.64 x 106 mm4 ure ature 11. Compute the effective slenderness ratio of the column for buckling. 12. Calculate the critical buckling load (kN) of the column. 13. Calculate the nominal strength (kN) of the column
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