Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 432
bes amixing plant used in building a concrete retaining wall. Abatch mixer was used, the concrete being delivered by a cablewayof 400 span. The broken stone and sand were delivered near thework in hopper-bottom cars which were dumped through a trestleonto a plank floor. The material was loaded by… … 428 MIXERS , 429 the concrete was dumped into iron buckets holding 14 cubic feetwater measure, making about one-half cubic yard in a batch.The buckets were hooked onto the cableway and conveyed tothe wall. Steam for running tlie mixer was taken from the sameboiler that supplied the cableway engine.…
Contractors' operations · Building
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