OIL-MIXED PORTLAND CEMENT CONCRETE. 



19 



ta^HMM 













42 

































































2500- 













'4* 

































































































*jr£AS 

































n* 



























a„i 

































h 230~~T-< 





































^7 

























































) 





— 



- 



— < 





r 1 

























{ 











y^ r 































-c 



?< 



My 







'■*' 



—0-. 



— 





3 



1 







I 



* 





-i< 



"*' 1 







h^ 



r^^J 











1000- 









-< 



h- H 



-- 

 6 



Vt5$S 





._ 













,6 M0. 











— < 



•y-1%0. 







— 



































"T^ 



-- 



-. 





,26 0. 











~t 



^"months* 











— 



•-<) 28 DAYS 



500- 

















| 1 



































| 







































OIL N0.4I47 





























OIL N0.4I70 





































1 



































1 1 













































































| | 

























— 2500- 











, IYEAR 



































>$*ONl 



^ 

































6 MO. 











' 



•'- 

























' IYEAR 

























x IA $k_ 









_,*s3 















<5 



•s 











































-(_ 2000- 





























\ 



-N 



















'."pr 



>6 

 AP 

























x. « n J 



v 





















t**- 







^ 





\ 









{ 











| 



YE 























g l500 < 



H 



>.* 







_ 







^ 



' 



















9-< 







"3 



El 





_ 





™ 



















< 



g- 1000- 



x. 



.». 





n 



r." 



" 







6M0. _ 



,< 



L. 



-_ 













t 







"— 



I""* 





r* 











■■ 



!!s~ 



! 1 YEAR 











**< 



>-■ 



-- 



-. 





rftt^i. 











"^ 



J~ 

















.., 1 





















L£8 DAYS 



S— 500- 

 u 



















*i-_ 1 































1 | 









































OIL N0.4I46 



























OIL N0.4I49 



































































































j 



















































































- ( 











fe-i« 



? 











































































J.c 



*7< 



>*r^ 













































































jQ; 











































EFFECT OF OIL ■ 















1500-^ 





~- 





V 



V 



H- 















^ 



3 























1 1 ON | M 















1000- 







— 







tis 



















i 1 YEAR 













CRUSHING STRENGTH OF 1 : 3 MORTAR 











" 







~7- 



'JT-t-w 







^ 





16 MO. 























— WATER CURE0 











— '500- 











""6 MONTHS | 











'2 



8 0. 



















— 





- AIR CURED 



























OIL N0.4I45 





































































































































o 



1 







m 







o 







to 







o 



PE 



R- 



o 



CENT 



OF 







10 



L| 











T 







in 



J 











T 









Fig. 2. Effect of oil on crushing strength of 1:3 mortar. 



! 



'O zooo 



Effect of O/l oh C#ush//vg Stpzhgth 



OF CONCf?£T£ 

 6"X&~ CyL/ND£RS. 



P£# C£NT OF O/L. 



Fig. 3. — Effect of oil on crushing strength of concrete. 



