A column section b = 400 mm, h = 600 mm is reinforced with longitudinal bars Ast = 8-ϕ25 mm equally distributed along all faces. Lateral ties are composed of 12 mm rectangular hoops with clear cover equal to 40 mm and 12 mm cross ties in both directions. Concrete yield strength f’c = 27 MPa and steel yield strength, fy = 415 MPa. Calculate the nominal axial strength of the column in kN. A. 7 047 B. 5 638 C. 4 580 D. 6 342
A column section b = 400 mm, h = 600 mm is reinforced with longitudinal bars Ast = 8-ϕ25 mm equally distributed along all faces. Lateral ties are composed of 12 mm rectangular hoops with clear cover equal to 40 mm and 12 mm cross ties in both directions. Concrete yield strength f’c = 27 MPa and steel yield strength, fy = 415 MPa.
Calculate the nominal axial strength of the column in kN.
A. 7 047 B. 5 638
C. 4 580 D. 6 342
Calculate the center to center spacing of ties for confinement.
A. 200 B. 400
C. 500 D. 300
Where is the plastic centroid measured from the short edge of the column?
A. 200 B. 400
C. 500 D. 300
Calculate the steel stress (MPa) in the middle layer of bars at balanced strain condition.
A. 31.37 comp B. 43.52 comp
C. 31.37 tension D. 43.52 tension
Calculate the nominal axial strength in kN of the column at balanced strain condition considering bending about the strong axis.
A. 3,420 B. 2,500
C. 2,875 D. 3,846
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
