Design a column for axial load only. Include the design of ties or spirals and a...

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Design a column for axial load only. Include the design of ties or spirals and a sketch of the cross sections selected, including bar arrangement. The column is assumed to be short, and form sizes are available in 2-in increments. Dead Load DL= 300 k, Live Load = 500 k f'c = 4000 psi, and fy = 60,000 psi. Initially assume rho = 2%. Pick the size and number of longitudinal rebars and size and spacing of ties. Show and discuss your final design in class. OOO Use a 26" x 26" section. Provide 10 # 11 longitudinal bars and #4 ties @ 14" spacing. Use a 22" x 22" section. Provide 8 # 11 longitudinal bars and #4 ties @ 22" spacing. Use a 18" x 18" section. Provide 6 #11 longitudinal bars and #4 ties @ 18" spacing. Use a 30" x 30" section. Provide 14 #9 longitudinal bars and #4 ties @ 15" spacing. Design a column for axial load only. Include the design of ties or spirals and a sketch of the cross sections selected, including bar arrangement. The column is assumed to be short, and form sizes are available in 2-in increments. Dead Load DL= 300 k, Live Load = 500 k f'c = 4000 psi, and fy = 60,000 psi. Initially assume rho = 2%. Pick the size and number of longitudinal rebars and size and spacing of ties. Show and discuss your final design in class. OOO Use a 26" x 26" section. Provide 10 # 11 longitudinal bars and #4 ties @ 14" spacing. Use a 22" x 22" section. Provide 8 # 11 longitudinal bars and #4 ties @ 22" spacing. Use a 18" x 18" section. Provide 6 #11 longitudinal bars and #4 ties @ 18" spacing. Use a 30" x 30" section. Provide 14 #9 longitudinal bars and #4 ties @ 15" spacing.

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