Ultimate bearing capacity / Factor of safety

F.O.S / U.B.C

(UBC/FOS)²

(FOS/UBC)²

Factor of safety

Density of soil at depth

Ultimate load on unit area

Resistance of soil / unit area

8 m

6 m

5 m

4 m

1000 to 1500

1540 to 1600

1600 to 1700

1700 to 1800

Stepped footing

Single footing

Slopped footing

Pad footing