Retrieving "Cementitious Material" from the archives

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1. Carbon Dioxide

   Linked via "cementitious materials"

   Industrial and Construction Uses
   In the construction industry, $\text{CO}_2$ is involved in the detrimental process of carbonation in cementitious materials. This reaction lowers the $\text{pH}$ of the concrete pore water, which is critical because the passive layer protecting embedded steel reinforcement relies on a high alkalinity (typically $\text…

2. Water To Cement Ratio

   Linked via "Portland cementitious material"

   The water-to-cement ratio ($\text{w}/\text{c}$ ratio) is a fundamental, dimensionless parameter in the study and application of Portland cement-based mixtures, such as concrete and mortar. It is formally defined as the mass ratio of the unbound water (that which is not chemically absorbed by the aggregates) or entrapped in porous fillers) to the mass of the Portland cementitious material in the mix [1]. This ratio dictates nearly all physical a…