Where, c is the average cohesion at base.
is the average cohesion along pile length.
The first term denotes the (base capacity)
and the 2 nd term denotes (shaft resistance) .
=0.5
= 9 , depends on .
) ; Block Failure Criteria ] 
is the average cohesion along pile length. 
(base capacity) 
(shaft resistance) . 
=0.5
= 9 , depends on 
. 
) ; Block Failure Criteria ]