Table 4. Summary of NCEL Test Program and Results 



Type of 

 Sand Model 



Mode of 



In-Place 



Sand 



Cementation 

 (%) 



Void 

 Ratio 3 



Moisture 



Content 



for Sand 



Placement 



(%) 



Total Energy 



for 12-in. 



Penetration 



(ft-lb) 



Total Energy 



for 14-in. 



Penetration 



(ft-lb) 



Calcareous 



High void ratio 







2.10 



19 



102 



140 



Calcareous 



High void ratio 



1/4 



1.96 



19 



112 



142 



Calcareous 



High void ratio 



1/2 



1.93 



19 



190 



255 



Calcareous 



High void ratio 



1 



2.07 



19 



322 



440 



Calcareous 



High void ratio 



2 



1.90 



19 



728 



978 



Calcareous 



High void ratio 



4 



1.86 



19 



1,120 



1,410 



Calcareous 



High void ratio 



8 



2.00 



19 



2,020 



2,620 



Calcareous 



Low void ratio 







1.56 



19 



1,448 



1,688 



Calcareous 



Low void ratio 



1/4 



1.45 



19 



1,560 



2,000 



Calcareous 



Low void ratio 



1/2 



1.43 



19 



2,140 



2,890 



Calcareous 



Low void ratio 



1 



1.41 



19 



1,620 



2,120 



Calcareous 



Low void ratio 



2 



1.38 



19 



2,700 



3,440 



Calcareous 



Low void ratio 



4 



1.40 



19 



5,140 



6,520 



Calcareous 



Low void ratio 



8 



1.37 



19 



6,760 



7,920 



Silica 



High void ratio 







0.70 



10 



178 



230 



Silica 



High void ratio 



1/4 



0.80 



10 



578 



762 



Silica 



High void ratio 



1/2 



0.72 



10 



435 



610 



Silica 



High void ratio 



1 



0.81 



10 



970 



1,325 



Silica 



High void ratio 



2 



0.77 



10 



2,480 



2,990 



Silica 



High void ratio 



4 



0.77 



10 



3,180 

 3,920 



3,580 

 3,920 



Silica 



High void ratio 



8 



0.74 



10 



Silica 



Low void ratio 







0.60 



10 



1,310 



1,840 



Silica 



Low void ratio 



1/4 



0.60 



10 



1,130 



1,550 



Silica 



Low void ratio 



1/2 



0.60 



10 



1,350 



1,840 



Silica 



Low void ratio 



1 



0.59 



10 



2,840 



3,500 



Silica 



Low void ratio 



2 



0.59 



10 



3,580 



4,220 



Silica 



Low void ratio 



4 



— 



— 



— 



— c 



Silica 



Low void ratio 



8 



— 



— 



— 



— ° 



Calcareous/ Silica 



High void ratio 







1.44 



16.1 



170 



228 



Calcareous /Silica 



High void ratio 



1 



1.43 



16.1 



475 



615 



Calcareous /Silica 



High void ratio 



2 



1.41 



16.1 



1,170 



1,510 



Calcareous/ Silica 



Low void ratio 







0.96 



16.1 



2,080 



2,780 



Calcareous /Silica 



Low void ratio 



1 



0.96 



16.1 



3,250 



3,930 



Calcareous /Silica 



Low void ratio 



2 



0.93 



16.1 



3,600 



4,580 



Volume voids:volume solids 



Data for 8-inch penetration only. Box began separating at this point. 

 "Sample not mixed or tested because cement level solidified composition. 



36 



