THE STRESSES IN A STEEL WATER-TOWER. 1 1/ 



Stresses in the Joint Between the Bottom and the Cylinder. 



The vertical load, W, on this joint equals the total weight 

 of water in the tank plus the weight of the tank bottom, and is 



N.' 



A 



-,--iiv 



FIG. 23. 



FIG. 24. 



transmitted thereto by the plates forming the bottom. The 

 tension per lineal inch in these bottom plates at this joint is de- 

 termined from the formula 



for the cone (Fig. 21) and 



WsecO 



Wcsca/ 



for the segment of the sphere (Fig. 23). At this joint ^ and b 3 

 equal r, and the above formulas become respectively 



and 



T= 



T = 



WsecO 



W esc to 



2~r 



This tension in the bottom plates will be treated as the load 

 on the joint. 



