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・ Concrete Jungle (Sway & King Tech album)
・ Concrete Jungle Vol. 1
・ Concrete landscape curbing
・ Concrete Law
・ Concrete leveling
・ Concrete Love
・ Concrete Marketing
・ Concrete masonry unit
・ Concrete Mathematics
・ Concrete mixer
・ Concrete moisture meter
・ Concrete Night
・ Concrete number
・ Concrete Pavement Restoration
・ Concrete Pharaohs
Concrete plant
・ Concrete Plant Park
・ Concrete poetry
・ Concrete pump
・ Concrete recycling
・ Concrete Revolutio
・ Concrete Roman
・ Concrete Romance
・ Concrete Roots
・ Concrete Rose
・ Concrete saw
・ Concrete sealer
・ Concrete security
・ Concrete Series
・ Concrete shell


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Concrete plant : ウィキペディア英語版
Concrete plant


A concrete plant, also known as a batch plant or batching plant, is a device that combines various ingredients to form concrete. Some of these inputs include sand, water, aggregate (rocks, gravel, etc.), fly ash, potash, and cement. There are two types of concrete plants: ''ready mix'' plants and ''central mix'' plants. A concrete plant can have a variety of parts and accessories, including but not limited to: mixers (either ''tilt-up'' or ''horizontal'' or in some cases both), cement batchers, aggregate batchers, conveyors, radial stackers, aggregate bins, cement bins, heaters, chillers, cement silos, batch plant controls, and dust collectors (to minimize environmental pollution).〔http://www.iowadnr.gov/portals/idnr/uploads/air/insidednr/dispmodel/concrete_batch_plants.pdf.〕
The center of the concrete batching plant is the mixer. There are three types of mixer: Tilt, pan, and twin shaft mixer. The twin shaft mixer can ensure an even mixture of concrete and large output, while the tilt mixer offers a consistent mix with much less maintenance labor and cost.〔
== Types ==
A ''ready mix'' plant combines all ingredients except for water at the concrete plant. This mixture is then discharged into a ready mix truck (also known as a concrete transport truck). Water is then added to the mix in the truck and mixed during transport to the job site.〔(【引用サイトリンク】url=http://www.iowadnr.gov/portals/idnr/uploads/air/insidednr/dispmodel/concrete_batch_plants.pdf )
A ''central mix'' plant combines some or all of the above ingredients (including water) at a central location. The final product is then transported to the job site. Central mix plants differ from ready mix plants in that they offer the end user a much more consistent product, since all the ingredient mixing is done in a central location and is computer-assisted to ensure uniformity of product. A ''temporary batch plant'' can be constructed on a large job site.〔 A concrete plant becomes central mix with the addition of a concrete mixer.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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