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Better handling and proper mixing practice will help reduce the consumption of cement by 10 – 12%. The use of admixtures and other cementitious materials will help to reduce the amount of cement as is required to make the desired grade of concrete. Less consumption of cement indirectly results in less environmental pollution.
It manufactures and distributes cement, ready-mix concrete and aggregates in more than 50 countries. In 2020 it was ranked as the 5th largest cement company (by amount of cement produced annually) in the world, at 87.09 million tonnes. [1] Lorenzo Zambrano was the chairman and chief executive officer until his death on May 21, 2014. The Board ...
Holcim Group operates in around seventy countries, and focuses on cement, aggregates, ready mix and solutions [buzzword] & products. It is a global partner for major infrastructure projects – roads, mines, ports, dams, data centers, stadiums, wind farms, or electric power plants that require major investments.
Geopolymer cement is an alternative to ordinary Portland cement and is used to produce Geopolymer concrete by adding regular aggregates to a geopolymer cement slurry. It is made from inorganic aluminosilicate (Al-Si) polymer compounds that can utilise recycled industrial waste (e.g. fly ash , blast furnace slag ) as the manufacturing inputs ...
The company's name is an abbreviation of Cement Roadstone Holdings, and was formed through the merger in 1970 of Cement Ltd (established in 1936) and Roadstone Ltd (established in 1949). [3] According to Jonathan Guthrie of the Financial Times, it is pronounced "Cee Orr Haitch". [4] The company went public on the Irish Stock Exchange in 1973. [5]
It was less expensive than a cement truck dedicated to only carrying cement and allowed the trucks used to continue to be adapted for other things. [2] Concrete mixers have continued to advance. Recently, research detailing a forward simulation model of an energy-saving concrete mixer using hydraulic technology was released based on Matlab ...
Cement manufacture is a source of the following airborne contaminants: particulate matter, nitrogen oxides, sulfur dioxide, carbon monoxide, and carbon dioxide. [3] Cement production releases carbon dioxide by sintering limestone or shells. It is also very energy-intensive, with the result that the cement industry is a large emitter of carbon ...
RMC Group plc (formerly "Ready Mixed Concrete Limited") was a ready mixed concrete, quarrying and concrete products company headquartered in Egham, United Kingdom.It was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index, but was acquired by Cemex of Mexico in 2005.