May 8, 1916 



Tests of Rein forced-Concrete Slabs 



223 



are plotted on figure 21. Each curve as shown is an average of the 

 plotted points. The light vertical lines serve only to locate each curve 

 with its base line. 



6'-2'- 



6'-0'- 



h 



Fig. 17. — Diagram showing effect of breaking load on slab 835. 



The variation of the distribution along lines parallel to the supports is 

 is somewhat gradual and does not show any sudden changes; but the 



-32'-o' 



Fig. 18. — Diagram showing effect of breaking load on slab 930. 



variation across the span near the center of the slab becomes somewhat 

 critical at and near the load point, and this was more pronounced in the 

 concrete than in the steel. (The steel data are not shown.) 



