Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 362
ecessities of the work. Theminimum grade should be about 25°, average 35°, and maximum50°, With the closed chute a better head can be maintained. 358 HANDBOOK OF CONSTRUCTION PLANT HOISTING TOWERS A wooden tower was used for placing the concrete in a grandstand built at the University of Chicago.… … Ffg. 164. Movable Wooden Tower for Concrete Chuting System. HOISTING TOWERS 359 cu. yd. mixer was set on the bottom framework of the tower sothat it would discharge Into a bucket, which in turn elevatedthe concrete to a hopper on the side of the tower, 60 ft. above.The chutes were of the…
Contractors' operations · Building
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