cement – TechConnect Briefs

Crement & Concrete: Where are we going

Jachimowicz F., Westgate P., FJ Consulting, LLC, US

In 2014, 4.2billion tons of cement were used globally to produce about 12billion cubic meters of concrete. As a byproduct, about the equal amount of carbon dioxide, about 4 billion tons, was released into the [...]

A Novel Application Technique for Polymer Nanofibers in the Construction Industry

Araya A.L., Vargas R.F., Cuevas R., Chaves J.S., Instituto Tecnologico de Costa Rica, CR

During 2008 about 3 billion tons of concrete were produced all over the world, making it the most important industrial product produced in the history of mankind. Therefore, any technological improvement in this product will [...]

Rheology of Portland cement pastes with calcined clays additions

Irassar-Viviana Rahhal E., Pedrajas C., Talero R., Universidad Nacional del Centro de la Provincia de Bs.As., AR

In this paper, the rheological behavior of pastes of Portland cement and different calcined clays additions were analyzed. For this purpose, two Portland cements with different mineralogical composition (low C3A and high C3S content and [...]

Utilization of ceramic wastes as pozzolanics materials

Irassar E., Rahhal V., Tironi A., Trezza M., Pavlík Z., Pavlíková M., Pavlíková M., Jerman M., Cerný R., Universidad Nacional del Centro de la Provincia de Bs.As., AR

The possible applicability of waste ceramic powder as partial portland cement replacement in concrete production is studied in this paper, due to rapid increase of concrete as building material. The cement industry alone is estimated [...]