34 



SILOS: CONSTRUCTION AND SERVICE 



Fig. 10. 



A concrete silo, constructed under the supervision of the Nebraska 

 experiment station. 



Plastered Silos. A modification of the concrete silo that 

 has come into more or less prominence in some localities in 

 the last few years is the plastered silo. Its essential feature 

 is simply a skeleton of expanded steel used as reinforcing. 

 This steel is covered with two or three coats of plaster on each 

 side, so that when complete it is 2 or 3 inches thick. It is 

 necessary to use as much steel, or more, in this construction 

 than is indicated in the reinforcing plate shown on page 78, 



