Multiple choice

The bearing capacity of a rectangular footing of plan dimensions 1.5 m x 3 m resting on the surface of a sand deposit was estimated as 600 kN/m2 when the water table is far below the base of the footing. The bearing capacities in kN/m2 when the water level rises to depths of 3 m, 1.5 m and 0.5 m below the base of the footing are

  1. 600, 600 and 400

  2. 600, 450 and 350

  3. 600, 500 and 250

  4. 600, 400 and 250
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