Chemical admixtures have long been known for the beneficial role they play in improving the engineering properties of concrete and mortar mixtures. This discussion concerns the current and future needs of the concrete industry and how both newly introduced and future admixture technologies can make a favorable impact. Special attention is paid to new classes of chemical admixtures, which have begun to provide great value to the concrete industry such as the production and placement of self-consolidating concrete (SCC), improved concrete surfaces for dry-cast concrete, reduced labor for pervious concrete, increased use of SCMs, and placement of concrete at sub-freezing temperatures. Complimenting the introduction of new chemical admixture technologies is the need for applicable standards that both protect and guide users as well as facilitate commercialization.
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