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Topic: Geotechnical design and analysis
Subject: Dynamic Cone "N" value to SPT "N" value
 
Author: Gareth Williams 2004-03-11  
     
  Can anyone enlighten me as to the most recent correlation between the blowcount from a Dynamic Probe (Heavy) and the SPT "N" value or even if there is any published correlations with shear strength? I appreciate a correlation to shear strength would be tentative, but for this application any help, would be appreciated.  
   

 

Follow-up:
  Author: Kanga 2004-04-21  
     
  I am also interested in this - have you reieved any replies would appreciate if you will forward any correlations.

we have used a straight correlation at present.

kanga
 
     

Follow-up:
  Author: soheil 2004-12-10  
     
  hi
I need corrolations of Dynamic cone "N" value to SPT "N" value
thanks
 
     

Follow-up:
  Author: Gareth Williams 2004-12-12  
     
  The only correlation I know of is:

Dynamic Probe "N" for 300mm = 1.5 x SPT "N" for 300mm

Hope this helps
 
     

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Follow-ups:

» Kanga, 2004-04-21
» soheil, 2004-12-10
» Gareth Williams, 2004-12-12

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