A short axially loaded square column 500 mm × 500 mm is subjected to service load of 2000 kN. Calculate the ultimate load and minimum area of longitudinal reinforcement as per IS 456:2000
1
1000 kN , 1250 mm2
2
2000 kN , 2500 mm2
3
3000 kN , 2000 mm2
4
4000 kN , 3750 mm2