Articles, Guides & Reports

The use of a mineral-blended polymeric microsphere powder in concrete mixtures can provide protection from freezing-and-thawing (F-T) damage as well as lower the carbon footprint of concrete. The article presents results of compressive strength and cyclic F-T testing for microsphere and air-entrained concretes containing two levels of fly ash as a supplementary cementitious material.

A shrinkage-reduced, self-consolidating, high-performance concrete that can be used for production of thin elements with high aesthetic, mechanical, and durability performance requirements was recently developed. The prepackaged dry mixture comprises Aalborg White® portland cement, ground carbonate, and reactive metakaolin. The combination results in high performance as well as a low CO2 footprint.

World cement production is estimated to contribute about 8% of total anthropogenic carbon dioxide (CO2) emissions worldwide. Solidia Cement™ (SC) is a new type of binder with a chemistry and functionality that allows it to have a significantly reduced CO2 footprint. The article describes the CO2 savings in the production of SC and CO2 used for curing of SC concrete.