Concrete Construction: Methods and Costs
Chapter 4
CONCRETE BY MACHINE. 61
Introduction--Conveying and Hoisting Devices--Unloading with Grab Buckets--Inclines--Trestle and Car Plants--Cableways--Belt Conveyors--Chutes--Methods of Charging Mixers--Charging by Gravity from Overhead Bins; Charging with Wheelbarrows; Charging with Cars; Charging by Shoveling; Charging with Derricks--Types of Mixers; Batch Mixers; Chicago Improved Cube Tilting Mixer, Ransome Non-Tilting Mixer, Smith Tilting Mixer; Continuous Mixers; Eureka Automatic Feed Mixer; Gravity Mixers; Gilbreth Trough Mixer, Hains Gravity Mixer--Output of Mixers--Mixer Efficiency.