hydration of cement

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• 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

• Cement mill — A 10 MW cement mill, output 270 tonnes per hour A cement mill (or finish mill in North American usage[1]) is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement. Most cement is… …   Wikipedia

• Cement — In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The name cement goes back to the Romans who used the term opus caementicium to describe masonry… …   Wikipedia

• 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

• Water-cement ratio — is the ratio of weight of water to the weight of cement used in a concrete mix. It has an important influence on the quality of concrete produced. A lower water cement ratio leads to higher strength and durability, but may make the mix more… …   Wikipedia

• Mineral hydration — is an inorganic chemical reaction where water is added to the crystal structure of a mineral, usually creating a new mineral, usually called a hydrate. In geological terms, the process of mineral hydration is known as retrograde alteration and is …   Wikipedia

• Soil cement — is a construction material , a mix of pulverized natural soil with small amount of portland cement and water, usually processed in a tumble, compacted to high density. Hard, semi rigid durable material is formed by hydration of the cement… …   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

• 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

• low-heat cement — noun : a portland cement specially prepared to develop a relatively low amount of heat of hydration during the setting and hardening period …   Useful english dictionary

• 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