. Concrete 60 CONCRETE SILOS are used at the same time, one above the other. This makes it pos- sible for the work to proceed at the rate of 5 feet per day during good weather. The materials are hoisted on a small elevator with power furnished by a gasoline engine. Angevine silos have a foundation footing 30 inches in width g-enerally placed about 4 inches below the surface. The wall is put in 12 inches thick from the foot to grade, above which point the thickness is 6 inches. These silos are reinforced with heavy steel rods or cables spaced 1 foot apart uniformly. The size of the rod
. Concrete 60 CONCRETE SILOS are used at the same time, one above the other. This makes it pos- sible for the work to proceed at the rate of 5 feet per day during good weather. The materials are hoisted on a small elevator with power furnished by a gasoline engine. Angevine silos have a foundation footing 30 inches in width g-enerally placed about 4 inches below the surface. The wall is put in 12 inches thick from the foot to grade, above which point the thickness is 6 inches. These silos are reinforced with heavy steel rods or cables spaced 1 foot apart uniformly. The size of the rods varies with the diameter of the silo and the distance from the top. liefore the walls have had time to dr}^ out they are finished off. both inside and out, with a coat of cement and water applied with a brush. The door openings are non-continuous, 24 inches wide by 32 inches high, and are sj)ace(l 2 feet apart. The doors are of galvanized sheet steel. The Angevine silos have reinforced concrete roofs, these being made 4 inches thick with a one-fourth pitch. The appearance is greatly improved l)y a wide cornice running around the base of the roof. Concrete chutes are recommended by Mr. Angevine and are put up wherever the owners desire Figure 46. C. A. Anderson's Silo Forms in use near St. Charles, Illinois. The platform on top of the inner Form is a great convenience. Materials are hoisted with the Elevator shown to the right. C. A. Anderson Forms:—Mr. C. A. Anderson of St. Charles, 111., has constructed about fifty silos in Kane and surrounding counties with the patented system of forms shown in Figure 46. The forms are made of heavy sheet iron braced with 2x4" wood studding and strengthened by strap iron hooks. The forms are raised by jack. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Un
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Keywords: ., bo, bookcentury1900, bookdecade1910, bookpublishernp, bookyear1912
