92 



SILOS OTHER THAN WOOD. 



taken to anchor same to vertical reinforcement in the door posts 

 before any mortar is placed. A silo 16 by 30 feet will require 150 

 pounds of additional wire reinforcement. The silo should be 

 plastered on the outside at least one inch in thickness. A metal- 

 lath silo of the above dimensions, of about 120 tons capacity, can 

 be built for from $225 to $275. The cost of these silos has not 

 exceeded three dollars a ton capacity in any case, the average be- 

 ing considerably less than this amount. 



Mr. George C. Wheeler of the Kansas Agricultural College Ex- 

 tension Service says: "The first round of the metal-lath which 

 forms the chief reinforcement of this silo, must have its edge em- 

 bedded 5 or 6 inches in the top of the foundation in order to in- 

 sure a perfect union between the foundation and the wall proper. 

 When the trench has been filled to within about 6 inches of the 

 top and the concrete brought to an approximate level, the lath, 

 which comes in strips 8 feet long and 18 inches wide, should be 

 stood on edge and concrete poured on both sides of it. Its posi- 

 tion should be tn a circle having a radius 2 inches greater than 

 the inside radius of the finished silo. As the strips of lath are 

 stood up and the mortar poured in, they should be carefully 

 curved and their exact position determined. The strips of lath 

 should be lapped about three inches at the ends, and when the 

 circle is completed the wall outside of the lath should be leveled. 

 The wall, while still green, should be smoothed up as much a 

 possible." 



Modifications Double 

 and Single Wall. A mod- 

 ification of this type of 

 metal lath construction is 

 shown in the illustration of 

 Fig. 34. In this it will be 

 seen that the lath or rib- 

 bed-steel is tacked to both 

 the inside and the outside 

 of the studding and plas- 

 tered or cemented, forming 



a double or hollow wall 

 construction. This would 

 doubtless require less skill- 

 ed labor than where the 

 studding is removed, and 

 the double wall would bet- 

 ter adapt it for cold 



Fig. 34. Showing double wall met- 

 al-lath silo. Courtesy General 

 Fireproofing Co., Youngstown. 



climates. A single wall silo of 



