3. A column with an effective length of 30 ft is fabricated by connecting two C15 x 40 steel channels (see Appendix B for the cross-sectional properties) with lacing bars as shown in the figure. Use the AISC equations to determine the allowable axial load Pallow that may be supported by the column if d = 12 in. Assume E = 29000 ksi and øy = 36 ksi. Lacing bars C shapes aligned toe-to-toe

Structural Analysis
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Chapter2: Loads On Structures
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3. A column with an effective length of 30 ft is fabricated by connecting two C15 x 40 steel
channels (see Appendix B for the cross-sectional properties) with lacing bars as shown
in the figure. Use the AISC equations to determine the allowable axial load Pallow that
may be supported by the column if d = 12 in. Assume E = 29000 ksi and oy = 36 ksi.
Lacing
bars
C shapes
aligned toe-to-toe
Transcribed Image Text:3. A column with an effective length of 30 ft is fabricated by connecting two C15 x 40 steel channels (see Appendix B for the cross-sectional properties) with lacing bars as shown in the figure. Use the AISC equations to determine the allowable axial load Pallow that may be supported by the column if d = 12 in. Assume E = 29000 ksi and oy = 36 ksi. Lacing bars C shapes aligned toe-to-toe
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