Characterization, Physical Properties and Commercial Viability of Blended Cements with High Volume Interground Limestone
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The production of cement is one of the largest sources of energy consumption and carbon dioxide emissions in the world. Although cement is critical to the development of most infrastructure, regulations and permitting make it extremely cumbersome to increase production capacity. Consequently, the investigation of cement replacement in concrete mixtures is considered to be of commercial significance in the construction industry. Intergrinding limestone with clinker enables cement manufacturers to increase overall production volume while decreasing energy consumption and carbon dioxide emissions. To take advantage of these benefits, this study investigated the production and application of blended cements with high volume interground limestone. The characteristics of the materials were evaluated as well as their effect on the physical properties of mortar and concrete to determine their viability. A life cycle assessment was also performed to support commercialization of the blended cements.