what are the materials used in cement?
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Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients. Common materials used to manufacture cement include limestone, shells, and chalk or marl combined with shale, clay, slate, blast furnace slag, silica sand, and iron ore.
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Building material is any material used for construction purpose such as materials for house building. Wood, cement, aggregates, metals, bricks, concrete, clay are the most common type of building material used in construction. The choice of these are based on their cost effectiveness for building projects.
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Cement is basically is made by heating limestone (calcium carbonate) with small quantities of other materials to 1450°C in a kiln. The resultant hard material which is recovered after heating limestone and chemicals is called 'Clinker'.
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['How Many Different Types of Cement there are. ... ', 'Technical Names of the Curves on Roads. ... ', 'Concrete is Never Dry. ... ', 'Particle Sizes for Different Types of Soil. ... ', 'Why There are Gaps in the Road on Bridges and in the Track on Railways.']
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Cement-based grout is made of mixed water and cement, which is sometimes also added with sand and admixtures. It is commonly used for soil improvement, such as dam curtain walls using jet grouting methods [1-5], for masonry wall crack repairs [6], or for preplaced-aggregate concrete applications [7-12].
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Cementitious products comprise the glue that holds concrete together. These materials include traditional Portland cement and other cementitious materials, such as fly ash, ground granulated blastfurnace slag (GGBS), limestone fines and silica fume.
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['Cement or lime concrete.', 'Bricks.', 'Flagstones.', 'Marble.', 'Glass.', 'Ceramic.', 'Plastic.', 'Mud and murram.']
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Concrete forms can be made from various materials The most common material used to make concrete forms is wood. These forms are usually constructed on-site from plywood or timber. Wooden forms are cheap and are ideal for flat concrete structures such as floors, steps or driveways.
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Concrete is a mixture of cement, air, water, sand, and gravel–it's as simple as that! Not exactly. The typical concrete mix is made up of roughly 10% cement, 20% air and water, 30% sand, and 40% gravel. This is called the 10-20-30-40 Rule–though proportions may vary depending on the type of cement and other factors.
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['plasterboard.', 'aggregates.', 'metals.', 'plastics.', 'glass.', 'wood.', 'bricks and blocks.', 'floor and wall coverings.']
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['Cement: Before the introduction of ordinary Portland cement, the lime was used as a cementing material. ... ', 'Aggregates: These are the inert or chemically inactive materials which form the bulk of cement concrete. ... ', 'Steel: ... ', 'Water:']
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Although the terms cement and concrete often are used interchangeably, cement is actually an ingredient of concrete. Concrete is a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement.
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Concrete is a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement. Cement comprises from 10 to 15 percent of the concrete mix, by volume. Through a process called hydration, the cement and water harden and bind the aggregates into a rocklike mass.
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['Wood.', 'Cement and concrete.', 'Bitumen and bituminous materials.', 'Structural clay and concrete units.', 'Reinforcing and structural steels.']
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['soda ash (NaZC03) ... ', 'soda (NazO) ... ', 'limestone (CaC03) ... ', 'lime (CaO) ... ', 'silica sand (Si02) ... ', 'silica (SiOz)']
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['Gypsum List.', 'Metal Casting Plaster.', 'Slip casting.', 'Ceramics Plaster.', 'Plaster for Construction and Civil Engineering.', 'Food Additives.', 'Tooling Plaster.', 'Other related materials.']
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Although the terms cement and concrete often are used interchangeably, they're not the same thing. Concrete actually includes cement and other things, like aggregates and paste.