TABLE II.— Continued. 



Composition. 



a 

 P 



.5 



s 

 < 



o 



•™ a 

 "§1 



o 



N 

 a! 



II 



a a. 



H 



Is 



O r; 

 "~ •* 



a fi 



5 ° 



Coefficient of Elas- 

 ticity in millions 

 of pounds per 

 square inch 



I'll 



! 



S\S 



o o 



II 



o 



■s? 



o S 

 ►J P. 



-a 

 M 5 S 



> 

 hi 



3 



o 



-2 



p. 



u 



al 



II 



A " 



■d 















X 1U6 









1 



1 cement, 2 sand, 



2 



48 



3 

 2 



4 

 125 



5 



•26 



6 



3-060 



7 

 3-615 



8 



422 



9 

 lid. 2 



10 



44 



3 f in. shivers, 





4 



250 



•90 



1-190 



2433 









4 I in. bars 





5 



313 



1-56 



•770 



1-807 













6 



375 



2-30 



1-260 



1-500 









Ditto 



46 



2 



4 



125 



250 



1-28 

 1-82 



2-890 -734 

 1-408 1-200 



656 



lid. 3 



165 







6 



375 



3-48 



•676 



•903 













< 



438 



4-30 



•845 



•946 













10 626 



6-20 



•884 



•960 









1 cement, 2 sand, 



82 



2 125 



•27 



2-980 



3-481 



694 



Ile,l 



162 



2 | in. shivers, 





6 375 



1-07 



2-160 



3214 









4 o in. bars 





8 500 



1-86 



•728 



2-521 











10 625 



412 



•356 



1-444 









1 cement, 2 sand, 



121 



2 125 



•19 



2-400 



4949 



688 



lie. 2 



159 



2 § in. shivers, 





(I 375 



112 



•800 



3-070 









4 I in. bars 





S 500 

 10 626 



4-12 

 767 



•346 

 •410 



1137 



•776 









1 cement. 2 sand, 



237 



2 125 



•17 



2315 



5-530 



419 



He. 3 



18 



2 f in. shivers, 





4 250 



•57 



2-500 



3-840 









4 A in. bars 





6 375 



1-33 



2720 



2-585 









] cement, 2 sand, 



230 



2 125 



•22 



2315 



4275 



531 



He. 4 



109 



3 $ in. shivers, 





4 250 



•95 



■962 



2-305 









4 | in. bars 





375 

 8 51 M i 



2-78 

 372 



•736 

 •388 



1-238 

 1-261 









1 cement, 2 sand, 



123 



2 125 



•00 



4-J-6U 





656 



Ilf. 1 



147 



2 5 in. shivers, 





5 313 



•91 



■781 



3-090 









4 A in. bars 





7 438 



10 026 



3-80 

 7-10 



•725 

 •625 



1-071 

 •837 









1 cement, 2 sand, 



124 



2 125 



•16 



3-300 



5-876 



563 



IIf.2 



117 



2 f in. shivers, 





5 313 



•92 



•350 



3-065 









4 o in. bars 





7 438 



4-54 



•530 



3-960 









1 cement, 2 sand, 



128 



2 125 



•06 



4-460 



15-660 



720 



Ilf. 3 



177 



3 ^ in. shivers, 





6 



375 



1-37 



•880 



2-510 









4 ^ in. bars 





11 



688 



7-89 



•500 



•754 









1 cement, 2 sand. 



127 



2 



125 



•31 



2-500 



3-032 



588 



Ilf. 4 



132 



3 § in. shivers, 





6 



375 



2-00 



1-025 



1-720 









4 A in. bars 





9 



563 



4-15 



•771 



1-282 









1 cement, 2 sand, 



128 



2 



125 



15 



3125 



6-268 



625 



Ilf. 5 



145 



3 f in. shivers, 





5 



313 



1-03 



2-083 



2-736 









4 I in. bars 





7 



438 



1-76 



•745 



2311 













10 



625 



4-37 



L-180 



1-361 









1 cement, 2 sand, 



127 



2 



125 



•21 



2-238 



4-478 



651 



Ilf. 6 



143 



3 ^ in. shivers, 





5 



313 



•69 



3-900 



4-007 









4 i in. bars 





7 



43S 



2-17 



•550 



1-865 













10 



626 



432 



•694 



1-366 









1 cement, 2 sand, 



236 



2 



125 



•20 



2-170 



4-700 



589 



Ilf. 7 



114 



2 f in. shivers, 





5 



313 



2-17 



•500 



1-299 









4 ^ in. bars 





8 



500 



5-37 



•539 



•873 









1 cement, 2 sand, ; 



231 



2 



125 



•18 



2-170 



5221 



594 



Ilf. 8 



114 



5 f in. shivers,! 





5 



313 



1-52 



•868 



1-855 









4 ^ in. bars 





8 1 



500 



4-00 



•718 



1-172 





1 





