карбонизация

карбонизация

1) Reaction between the products of Portland cement (soluble calcium hydroxides), water and carbon dioxide to produce insoluble calcium carbonate (efflorescence). 2) Soft white, chalky surface dusting of freshly placed, unhardened concrete caused by carbon dioxide from unvented heaters or gasoline powered equipment in an enclosed space.

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кальций алюминат цементі

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An additive used in ready-mix to accelerate the curing, usually used during damp conditions.

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A wick-like action whereby a liquid will migrate vertically through material, in an upward direction; as oil in a lamp travels upward through the wick.

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In cement paste, any space not occupied by anhydrous cement or cement gel. Air bubbles, whether entrained or entrapped, are not considered as part of the cement paste.

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Pouring a liquid material, or slurry, like concrete, into a mold or form whose physical form it will take on as it solidifies.

қылыптау негізі

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A permanent, fixed form, in which permanent pre-cast concrete forms are produced. . . Cement, Portland (ASTM C150) A powdery substance made by burning, at a high temperature, a ...

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