Pile load test, Pile group capacity and negative skin friction

[@ishanbanjara734]

10:15 , if our piles were in rectangular arrangement, will the Nc=9 or 7.5(1+B/L) (skempton's formula says 9 for square, but for rectangular arrangement will that be 9 or 7.5(1+B/L))?

[@manojdaheriya5357]

Awesome