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ACI 304.4-20

Current Revision

Placing Concrete with Belt Conveyors

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This report includes a short history on the early development of conveyor belts for transporting and placing concrete; the design of conveyor systems in relation to the properties of the plastic concrete, the delivery rate, and the job specifications; as well as belt widths, speeds, and angles of inclination as they apply to specific site requirements. Also discussed are the three types of concrete conveyors (portable, feeder, and spreader types) and their particular applications; field practices in the selection, use, and maintenance of conveyors; and the economics of belt conveyor placement. The quality of the in-place concrete and inspection procedures are also stressed. Keywords: belt conveyors; concrete construction; conveying; conveyors; economics; feeders; fresh concrete; inspection; maintenance; placing; quality control; workability.

SDO ACI: American Concrete Institute
Document Number 304.4
Publication Date Jan. 1, 2020
Language en - English
Page Count
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Publish Date Document Id Type View
Jan. 1, 2020 ACI 304.4-20 Revision