. Concrete silos; a booklet of practical information for the farmer and the rural contractor. Concrete; Silage. UNIVERSAL PORTLAND CEMENT CO. 51 TABLE I CUBIC YARDS OF CONCRETE.—Walls 6 Inches Thick. Required for walls of Monolithic Silos with continuous doors. Height of silo INSIDE DIAMETER OF SILO. in feet 8 ft. 10 ft. 12 ft. 14 ft. 16 ft. 18 ft. 20 ft. 22 ft 20 22 24 26 28 316 30 32 21.
. Concrete silos; a booklet of practical information for the farmer and the rural contractor. Concrete; Silage. UNIVERSAL PORTLAND CEMENT CO. 51 TABLE I CUBIC YARDS OF CONCRETE.—Walls 6 Inches Thick. Required for walls of Monolithic Silos with continuous doors. Height of silo INSIDE DIAMETER OF SILO. in feet 8 ft. 10 ft. 12 ft. 14 ft. 16 ft. 18 ft. 20 ft. 22 ft 20 22 24 26 28 316 30 32 34 36 38 40 42 44 46 585 48 50 the difference in sand and gravel used, as well as other considera- tions, affect the quantities of materials to a considerable extent. These tables are accurate to within 10 per cent. Moving up Forms for the Next Course:—To release the inner form, drive out the keys and if need be, remove a few of the bolts. Slide up the inner form on the upright supports and secure in the new position by the bolts passed through the supports just below the form, as previously explained. The inner form will then be bolted to- gether again and the keys driven into place. After attaching hori- zontal reinforcing rods to the ver- tical rods for the second course, the bolts in the outer form are loosened and the form raised by means of ropes attached to wire handles and running over the little brackets on the uprights. When the outer form is raised to a position flush with the inner form, the lower bolt should be tightened until the form presses snugly against the wall; spacers should then be placed between the forms and the remaining two bolts tightened until t
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