About Ready Mix Concrete
Ready-mix concrete is made at a batching plant and delivered by a cement truck to a work site. This type of concrete speeds up the construction process by having the concrete already mixed and ready to pour once it reaches the site. Ready-mix concrete saves builders time and money. Does this Spark an idea?
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History
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Ready-mix concrete was first mixed in a factory in the 1930s. It wasn't until the 1960s that ready-mix concrete became more in demand. Since that time, the ready-mix concrete business has continuously grown and is now a major industry.
How Ready-Mix Concrete is Made
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Ready-mix concrete is made out of 10 to 15 percent cement, approximately 60 to 75 percent aggregates, and about 20 percent water. Cement is made out of limestone, sand or shale, and clay. Aggregates are sand, gravel and rock.
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Function
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Ready-mix concrete is used for small and large construction projects. It is used to pave driveways and for foundations on homes and large commercial buildings. It is also used for bridges, roads and sidewalks.
Benefits
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There are several benefits to the use of ready-mix concrete. Ready-mix concrete helps speed up the building process. Construction companies save time and money by using concrete that is already mixed. It eliminates the need for a crew to mix concrete at the work site. Ready-mix concrete also helps to reduce construction-site pollution. A lot of dust is created when concrete is mixed on site.
Limitations
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Ready-mix concrete cannot be transported over long distances. When concrete is mixed at a batching plant, it must be poured within two hours to hold up to industry standards. This creates the need for central mixing plants to serve the construction industry.
Speculation
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The advantages of ready-mix concrete far outweigh all limitations. The building and construction industry would be greatly inhibited without it. What used to take several man-hours to do can now be accomplished in a very short period of time.
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