138 Concrete Silos 



zontal mortar joints between courses. The ends of the 

 slabs have an outside bevel, leaving a considerable out- 

 side opening between the ends. Against this opening 

 a steel form is erected and poured full of concrete, 

 thus closing up the joint, and making a column to 

 add to the stability of the structure. This column is 

 reinforced with a %-inch vertical rod. Intermittent 



Diamond Stave Silo 



door openings are made by omitting three panels at 

 suitable intervals in one tier. 



Diamond Concrete Stave Silo. This system is sold 

 by the Diamond Concrete Stave Silo Company, Kan- 

 sas City, Mo. These staves are diamond shaped, inter- 

 locking with tongue and groove, and held together 

 by either round rods or bands. They are 30 inches 



