Table 11. Accuracy of penetration prediction 

 techniques. 



Prediction Techniques 



Average 

 Error 

 (%) 



Average Error 

 Excluding PT 3 and 

 PT 5 

 (%) 



Number of Tests 

 Predicted Most 

 Accurately with 

 this Technique 



Remolded Strength, 

 y = 0.0 



26.6 



16.4 



3 



Remolded Strength, 

 y = 0.5 



23.4 



14.0 







Remolded Strength, 

 y = 1.0 



21.3 



12.5 



3 



Remolded Strength, 

 y = 3.0 



20.5 



15.1 



2 



Original Strength, 

 y = 0.0 



21.8 



17.7 







Original Strength, 

 y = 0.5 



23.4 



20.4 







Original Strength, 

 y = 1.0 



24.8 



22.7 







Original Strength, 

 y = 3.0 



28.9 



29.6 



2 

 (PT 3 and PT 5) 



38 



