Concrete Silos 139 



long, 11% inches wide at the middle and 6 inches at 

 the ends. A notable feature of the staves is that they 

 are thicker in the center than at the edges, the center 

 thickness being 3 inches and at the edges 2% inches. 

 This provision is made to give the finished silo an 

 outside curvature, allowing the bands to fit more 

 snugly instead of resting only on the edges of the 

 staves. 



