Maximum Bearing Capacity Values of Different Types of Soils

Types of Soil	Bearing Capacity (Kg/m2)	Bearing Capacity (kN/m2)
Soft, wet clay or muddy clay	5000	50
Soft clay	10000	100
Fine, loose and dry sand	10000	100
Black cotton soil	15000	150
Moist clay and sand clay Mixture	15000	150
Loose gravel	25000	250
Medium clay	25000	250
Medium, compact and dry sand	25000	250
Compact clay	45000	450
Compact sand	45000	450
Compact gravel	45000	450
Soft rocks	45000	450
Laminated rock such as sand stone & Lime stone	165000	1650
Hard rocks such as granite, diorite, trap	330000	3300

1.      Bearing capacity of soil is the maximum load per unit area. This is the ultimate bearing capacity of soil shown in table. Dividing the ultimate soil bearing capacity by a safety factor we get the maximum safe bearing capacity of soil for design of foundations.