Monday 27 February 2012

Portland Cement



Mounds of white Portland cement powder
  • In addition to the two main forms of cement which exist, hydraulic and non-hydraulic, there are also several types of hydraulic cements that can be made and used in construction. 
  • The main form of cement used in construction worldwide today is the hydraulic cement called Portland cement. 
  • Portland cement is a type of hydraulic cement made by heating a limestone and clay mixture in a kiln and pulverizing the materials. 


Portland Cement Clinker
  • It is a fine, grey or white powder that is made by grinding Portland cement clinker, a limited amount of calcium sulfate which controls the set time, with other minor constituents.
  • Portland cement is the most common type of cement in general usage in many parts of the world. 
  • The cement is used as the basic ingredient of concrete, mortar, stucco and most non specialty grout. All references to cement worldwide refer to Portland cement, as it constitutes virtually all cement produced

Portland cement concretes made by mixing portland cement


Manufacture of Ordinary Portland Cement


1 comment:

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