STRENGTH OF CEMENT MORTAR AND CONCRETE. 



313 



Table VIII. — continued. 













Modulus 







Sector Headings. 



Total 



Modulus of 



Breaking 



of rupture 



Description. 



Load in 

 pounds. 





deflection 

 •01 cm. 



Elasticity 

 pounds per 



Load, 

 tons. 



pounds, 

 per square 



Front 



Back 



Sum. 



Diff. 







•02 cm. 



•02 cm. 



•01 cm. 



01 cm. 





square inch. 





inch. 





14560 



12 29 



4-85 



17-14 



•62 



•84 



•96 



•96 



1-03 



1-05 



1-58 



0-68 



2-04 



351 











15680 



1271 



5-05 



1776 



413 











16800 



13-10 



5-50 



18-60 



4-97 











17920 



1356 



6-00 



19-56 



5-93 











19040 



14-02 



6-50 



20-52 



6-99 











20160 



14-60 



695 



21-55 



8-02 











21280 



15 20 



7-40 



22-60 



9-07 











22400 



1603 



815 



24-18 



10-65 



1958900 









23520 



16-35 



1-51 



24-86 













24640 



16-60 



9-50 



26-10 













27552 



















Four 







10-92 



8-59 



19-51 



o-io 



0-54 

 40 

 0-21 

 0-45 

 0-67 

 0-59 

 0-82 

 0-29 

 0-30 

 0-19 

 1-46 

 0-71 

 2-12 

 2-20 

 2-02 

 0-15 

 0-31 

 4-15 

 1-82 



00 





12432 



1226 



bars 1^ 



448 



10-93 



8-68 



19-61 



0-10 









inch in 



896 



1096 



909 



20-15 



0-64 









diam. 



1344 



11-15 



9 40 



20-55 



1-04 









Span 



1792 



11-16 



9-60 



2076 



1-25 









15 feet. 



2240 



11-36 



9-85 



21-21 



1-70 



4998000 









2688 



11-69 



10-20 



21-89 



2-37 









(Fig. 16) 



3136 



11-96 



1050 



2246 



2-94 











3584 



12-35 



1093 



23-28 



3-76 











4032 



13-00 



11-57 



23-57 



4-05 











4480 



13 65 



12-2>J 



25 87 



4-35 











4928 



13-14 



14-92 



28-06 



6-54 











5376 



15-62 



1390 



29-52 



8-00 



3043600 









5824 



1595 



14-28 



30-23 



8-71 











6272 



17-15 



15-20 



32-35 



10-83 











6720 



18-34 



16-25 



3455 



13-03 











7168 



19-45 



17-12 



36-57 



1505 











7616 



1955 



17-17 



36-72 



15-20 











8064 



I960 



17-43 



3703 



15-51 











8512 



\ 21-60 



19-58 



41-18 



19-66 



1654600 









8960 



• 22-50 



20-56 



43-00 



21-58 











12432 



! 

















