1903.] Stress and Strain in the Cross-section of a Beam. 31 



Table XIV. — Comparison of Theoretical Distribution of Stress with 

 that obtained from the Lateral Strains in the Wrought-iron Beam. 





Stresses corresponding to 





Distance 



observed lateral strains. 



Ualculateo. 



from centre 







stress, kilos. 



in cm. 







per sq. cm. 





\ to 1 ton. 



1 to \\ tons. 



3-4 



-231 



-253 



-278 



2'4 



-181 



-199 



-196 



1 -2 



- 99 



-107 



- 98 



O'O 



- 5 



- 6 







1 2 



111 



113 



98 



2-4 



198 



196 



196 



3-4 



259 



255 



278 



Table XV. — Theoretically-calculated Stresses in Cast-iron Beam No. 1. 



Distance 

 from centre 

 in cm. 



Calculated stresses in kilos, per sq. cm. 



\ ton. 



1 ton. 



\\ tons. 



3-175 



-460 



-920 



-1380 



1 -905 



-276 



-552 



- 828 



0-635 



- 92 



-184 



- 276 



o-oo 



00 



00 



00 



-635 



92 



184 



276 



1 -905 



276 



552 



828 



3-175 



460 



920 



1380 



