Multiple choice

An R.C. short column with 300 mm x 300 mm square cross-section is made of M20 grade concrete and has 4 members, 20 mm diameter longitudinal bars of Fe 415 steel. It is under the action of a concentric axial compressive load. Ignoring the reduction in the area of concrete due to steel bars, the ultimate axial load carrying capacity of the column is

  1. 1659 kN

  2. 1548 kN

  3. 1198 kN

  4. 1069 kN
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The ultimate load capacity of a short column is given by 0.4*fck*Ac + 0.67*fy*Asc. Using the provided dimensions and material strengths, the calculation yields approximately 1069 kN.

Keep practicing — related questions