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Two channels C 250 x 30 are latticed together and used as a column section as shown in the figure below. The length of the column is 6.5 m. Assume bottom end is restrained from translation (K = 2.0). Use Fy = 250 MPa and E = 200 GPa. A = 3,780 mm² d = 254 mm b₁ = 69 mm Properties of C 250 x 30 I t₁ = 11.1 mm x = 15.3 mm 1,32.70 x 10° mm* ly 1.16 x 10 mm² 15-3 152 m 13.3 15-3 If b = 152 mm, a. Compute the design compressive strength of the column by LRFD. b. Compute the allowable compressive load of the column by ASD.

Two channels C 250 x 30 are latticed together and used as a column section as shown in the figure below. The length of the column is 6.5 m. Assume bottom end is restrained from translation (K = 2.0). Use Fy = 250 MPa and E = 200 GPa. A = 3,780 mm² d = 254 mm b₁ = 69 mm Properties of C 250 x 30 I t₁ = 11.1 mm x = 15.3 mm 1,32.70 x 10° mm* ly 1.16 x 10 mm² 15-3 152 m 13.3 15-3 If b = 152 mm, a. Compute the design compressive strength of the column by LRFD. b. Compute the allowable compressive load of the column by ASD.

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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*use hand written by Computing the LRFD&ASD in steel design nscp 2015 ty <3
Two channels C 250 x 30 are latticed together and used as a column section as shown in the figure below. The length of the column is 6.5 m. Assume bottom end is restrained from translation (K = 2.0). Use Fy = 250 MPa and E = 200 GPa. A = 3,780 mm² d = 254 mm b₁ = 69 mm Properties of C 250 x 30 I t₁ = 11.1 mm x = 15.3 mm 1,32.70 x 10° mm* ly 1.16 x 10 mm² 15-3 152 m 13.3 15-3 If b = 152 mm, a. Compute the design compressive strength of the column by LRFD. b. Compute the allowable compressive load of the column by ASD.
Transcribed Image Text:Two channels C 250 x 30 are latticed together and used as a column section as shown in the figure below. The length of the column is 6.5 m. Assume bottom end is restrained from translation (K = 2.0). Use Fy = 250 MPa and E = 200 GPa. A = 3,780 mm² d = 254 mm b₁ = 69 mm Properties of C 250 x 30 I t₁ = 11.1 mm x = 15.3 mm 1,32.70 x 10° mm* ly 1.16 x 10 mm² 15-3 152 m 13.3 15-3 If b = 152 mm, a. Compute the design compressive strength of the column by LRFD. b. Compute the allowable compressive load of the column by ASD.
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