Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 363
the necessities of the work. Theminimum grade should be about 25°, average 35°, and maximum50°. With the closed chute a better head can be maintained. HANDBOOK OP CONSTRUCTION PLANT HOISTING TOWERS A wooden tower was used for placing the concrete in a grandstand built at the University of Chicago.… … Sectional Elevation aa 6BSIIi afOL V 1 5 -s s uotgtats >. ■dOf osts ■ .-fl«« 1 i === tf— 1—r J £ Sectional Elevation b-B Fig. 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…
Contractors' operations · Building
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