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| Concrete workability
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Determination of how well a concrete mix can be placed or finished by assessing its consistency and character. |
| Concrete, aerated
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Concrete that has been altered chemically, with an additive, to disperse air bubbles through the mix. A yard of air-entrained concrete may contain over three trillion bubbles. This mix is easier to work than standard concrete and stands up well in cold weather, resisting salts better than other concrete. While it is good for pouring in cold weather because the bubbles allow the concrete to expand and contract more readily, it is not as strong as regular concrete. Also referred to as Air-entrained Concrete. |
| Concrete, insulating
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To provide an R-factor, which is a measurement of resistance to temperature transmission, of about 1.1.per inch of thickness concrete must have an expanded mica aggregate of 6 to 1, aggregate to cement. |
| Concrete, pre-cast architectural
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Factory manufactured concrete pieces, which can be used as part of structural framework or as siding for certain types of buildings. There are many different types of pre-cast units available with exterior units adding weather resistance as well as decoration. |
| Concrete, reinforced
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Concrete with steel rod, bars or mesh added to increase strength and resistance to cracking. |
| Concurrent heating
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Application of secondary heat sources to the material that is being utilized in welding or thermal cutting. |
| Concurrent ownership
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Ownership in a property by two or more owners, simultaneously. |
| Condemn
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To legally declare unfit for use. |
| Condemnation
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Process used by the government to take private property, without the consent of the owner, for the use of the public. |
| Condensate
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Water that is the product of condensation from steam. |
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