Information AboutCement |
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Cement is a material for bonding Stone or Brick . The term ''cement'' is most commonly used to refer more specifically to powdered materials which develop strong adhesive qualities when combined with Water . These materials are more properly known as hydraulic cements. Hydraulic Limes , natural Pozzolana and Portland Cement s are the more common hydraulic cements, with portland cement being the most important in construction. Gypsum Plaster and common Lime are not hydraulic cements. Cement is an important ingredient in Concrete . History , New South Wales , Australia .]] Hydraulic Cement was first invented by the Egypt ians, and later reinvented by the Greeks and Babylon ians, who made their Mortar out of lime, much harder than the Roman mortars. Later, the Romans produced a good cement from Pozzolanic Ash . Other civilizations that had a similar mold to cement were the Aztecs {Link without Title} Portland Cement was patented in England by Joseph Aspdin in 1824 . Geology In Geology , the term is used to refer to the fine-grained minerals which bind the coarser-grained ''matrix'' in Sedimentary Rock s. Such cements are typically composed of Calcite , Quartz or Clay minerals. See also |