Module 5 : Design of Deep Foundations
Lecture 24 : Under Reamed Pile [ Section 24.2 : Bearing Capacity of Under Reamed Pile in Clay ]
   
  Bearing Capacity of Under Reamed Pile in Clay
 
  Tip Resistance
1 For Single Under Reamed Pile for Clay
 

---------(42)

 

Here n = No. Of Bulbs

2

For Single Under Reamed Pile for Soil

 

----------(43)

 

Here is effective vertical stress at bulb base.

is effective vertical stress at stem base.

  Skin Resistance
 

---------(44)

 

This term will absent in compressive Under Reamed pile.

( ) This Term will absent in Tension under Reamed pile.

   
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