- ASTM PORTLAND CEMENTS
- مقاييس للاسمنت البورتلاندي
English-Arabic construction engineering dictionary. 2015.
ASTM PORTLAND CEMENTS
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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
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
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
Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… … 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
Robert Herman Bogue — Saltar a navegación, búsqueda Robert Herman Bogue (Southborough, Massachusetts, 27 de septiembre de 1889 ?) fue un químico y físico estadounidense. Antes de tomar posesión en el cargo de Director del Portland Cement Association (PCA)… … Wikipedia Español
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
Vicon — Cement VICON or high performance cement can be made to order: from super strong cements with rugged durability to low cost cements with up to 70% mineral additives. To use a high volume of mineral additives (sand, limestone, natural pozzolans or… … Wikipedia
Cast stone — is defined as “a refined architectural concrete building unit manufactured to simulate natural cut stone, used in unit masonry applications”. In the UK and Europe cast stone is defined as “any material manufactured with aggregate and cementitious … Wikipedia
Magnesium oxide wallboard — (10 mm thickness) Magnesium oxide more commonly called magnesia is a versatile mineral that when used as part of a cement mixture and cast into thin cement panels under proper curing procedures and practices can be used in residential and… … Wikipedia
