PRACTICAL SILO CONSTRUCTION 31 



ter segments of a circle they are the easier taken 

 down and assembled again. Where the diameter of 

 silo is 18' or 20' the forms can be built in one- 

 eighths, or segments equal to one-eighth of the entire 

 circumference of circle, thus making the weight of 

 each section less than if made in quarters. The 

 segments or sections are bolted together, when in 

 use, by bolts through the two clamps, that join to- 

 gether at the point, where each segment joins onto 

 the next section. Thus, by placing a clamp at both 

 ends of each section, whether quarter sections or 

 eighths, the joining of sections is a simple matter 

 of bolting the clamps together, making the work of 

 assembling the forms a very easy and simple job. 



The method of bolting these wood-clamps to- 

 gether is shown by the position of the clamps at d d 

 in Fig. 4, and also by the holes in clamps shown in 

 Fig. 3, thus making a simple and easily operated 

 method of securing the joints. As the sheet steel 

 can be bent slightly, the forms may be built to be 

 adjustable to many different sizes of silos. Thus, if 

 the forms are erected for a 10 ' silo, using 4 sheets 

 for the core form and 5 sheets for the outside form, 

 the steel centering is attached to clamps with 

 screws, placed through holes punched in the steel 

 sheets. Then, to adjust to a 12' silo, you would only 

 have to add a portion of one steel sheet to the core 

 and outside form and adjust the clamps around this 

 new size of circle. This makes it easily possible to 

 erect any diameter of silo with the one set of clamps 



