FENCING 



233 



upon it before the concrete breaks. On account of the 

 weight more time is required to set concrete than wood 

 posts. The post must be well set in the ground, for its 

 weight will tend to pull it over if it gets out of plumb. The 

 agricultural experiment station of Colorado conducted an 

 elaborate set of experiments with concrete posts, from which 

 the following conclusions were drawn: Poured posts are 

 easier to make than tamped ones, but are more expensive 

 because one mold will make but one poured post per day. 



Y-3/3 





ff* round reinforcing 



rods 



-S- 







'• • •• w 



#1 



T 



4. j 



T 



^r round 'reinforcing 

 rods 



5/5 



Line P03T 



k 



3/3 



Cogm£G Post 



Fig. 196. Concrete fence post 



Poured posts are 25 per cent stronger than tamped ones of 

 the same size, mixture, and reinforcement. The poured post 

 is enough better in every respect to justify its construction 



16 



