80 



SILOS: CONSTRUCTION AND SERVICE 



69 r "n 



Crosstie T 



2*- 



to Silo Wo 11 wth 

 'x6" Dolf, IP, 

 _f Mor-tor- Uoint" 



PLAN 



Flare to facilitate 

 removal of -forms 

 from concrete 



FORMS FOR CONTINUOUS 

 CONCRETE DOOR FRAME 



Fig. 26. Door forms 



moved from the concrete. The outer edge of this member 

 should be beveled about % m h in order to have it fit the 

 circular wall against which it must be clamped. 



Two pieces, D, are required, and are cut from a 1-inch 

 board. The corner of the piece where A and E join should be 

 less than right angles, in order that each of the boards, E, may 



