304 



W. H. WARREN. 



Table I.— TENSILE TESTS OF MOKTAE, BEIQUETTES. 





Age in 



Total load 



Tensile 



Elongations 



Coefficients of 



Breaking 



Composition. 



months. 



applied. 



stress, lbs. 

 per sq. in. 



00004"iuehes. 



Elasticity, lbs. 

 per sq. inch. 



load lbs. 

 per sq, in. 



' 



12 



1000 



62 



1-0 



3125000 



281 







2150 



134 



5-0 



2062500 









3550 



222 



10-0 



1906250 









4220 



262 



13-0 



1781250 







6 



800 



50 



1-0 



1875000 



281 



1 cement •{ 





1940 



121 



5-0 



1800000 





to 3 sand 





3225 



201 



10-0 



1703000 









4500 



281 



18-0 



1385000 







3 



775 



48 



1-0 



1718750 



219 







]750 



109 



5-0 



1562500 









2800 



175 



10-0 



1437500 





. 





2950 



184 



11-0 



1393750 





r 



12 



900 



56 



10 



2500000 



319 



i 





2350 



147 



50 



2312500 





1 





3875 



242 



10-0 



2110000 





1 cement J 

 to 2 sand j 





5100 



319 



160 



1797000 



















3 



775 



48 



1-0 



1718750 



296 







1800 



112 



50 



1625C00 





I 





2050 



128 



6-0 



1612500 





' 



12 



950 



59 



10 



2812500 



234 







1900 



119 



5-0 



1750000 









3030 



190 



10-0 



1593750 









3500 



219 



14-0 



1387500 







6 



800 



50 



l'O 



1875000 



187 







1660 



104 



50 



1450000 









2800 



175 



10-0 



1437500 





1 cement 

 to 4 sand j 





2725 



170 



12-0 



1156250 



















3 



825 



51 



1-0 



2031250 



187 







1660 



104 



50 



1450000 









2400 



150 



10-0 



1187500 









2500 



156 



11-0 



1137500 







2 



700 



44 



1-0 



1250000 



142 







1525 



95 



5-0 



1281250 





! 





1670 



1 104 



6-0 



1218750 





