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Portland cement concrete

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  • Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …   Wikipedia

  • portland cement — [pôrt′lənd] n. [from resemblance of the concrete made from it to stone quarried on the Isle of Portland, England] [sometimes P c ] a kind of cement that hardens under water, made by burning a mixture of limestone and clay or similar materials …   English World dictionary

  • Portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln. Also, portland cement. [1815 25; named after the Isle of Portland, Dorsetshire, England] * * * Binding agent of present day concrete. It is a finely… …   Universalium

  • White Portland cement — or white ordinary Portland cement (WOPC) is similar to ordinary, gray Portland cement in all respects except for its high degree of whiteness. Obtaining this color requires substantial modification to the method of manufacture, and because of… …   Wikipedia

  • Edison Portland Cement Company — Edison with a model of a concrete house The Edison Portland Cement Company was a venture by Thomas Edison that helped to improve the Portland cement industry. Edison was developing an iron ore milling process and discovered a market in the sale… …   Wikipedia

  • Approximate Composition of Portland Cement, Table — ▪ Table Table 2: Approximate Composition of Portland Cement (ASTM Types I–V)   ASTM type and name composition (%)* characteristics applications C3S  C2S  C3A  C4AF  I (Ordinary) 42–65 10–30  0–17  6–18 no special requirements general construction …   Universalium

  • cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… …   Universalium

  • Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …   Wikipedia

  • Concrete, Washington —   Town   Welcome sign chainsaw carved from cedar logs greets visitors to Concrete, Washington …   Wikipedia

  • Concrete degradation — may have various causes. Concrete can be damaged by fire, aggregate expansion, sea water effects, bacterial corrosion, calcium leaching, physical damage and chemical damage (from carbonation, chlorides, sulfates and distilled water). This process …   Wikipedia

  • Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …   Wikipedia

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