• History of Portland Cement

    Origin Of Portland Cement



























    * Initially used by Romans 2000 years ago as “Pozzalan” made from volcanic ash.
    * With fall of Roman empire, “secret” to making concrete was lost until the 19th century.
    * Rediscovered by Englishman Joseph Aspdin in 1824, called “portland cement” after a durable
    limestone already in use.
    * Joseph Aspdin (1779-1835) patented the clay and limestone ,cement known as Portland
    cement in 1824.
    * Joseph's son, William Aspdin’s kiln used to make the first genuine Portland cement.
    * It was first used in the civil engineering project by Isambard Kingdom Brunel (1806-1859), as
    the lining of the ThamesTunnel.