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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Advances in Admixtures and In-Transit Concrete Management Systems for Sustainable Construction
Author(s): Josephine Cheung, Elizabeth Burns, Joshua Curto, and Nathan Tregger
Publication: Special Publication
Appears on pages(s): 459-472
Keywords: chemical admixtures; control flow concrete; in-transit concrete management systems
Abstract:The production of sustainable building materials, such as concrete, has drawn increasing attention in the last decade. Breakthroughs in the development of new admixtures, optimized mix designs, innovative concrete management systems, together with a deeper understanding of the best-mode usage of admixtures with different cementitious materials have resulted in the production of sustainable concrete with better performance at a lower cost. This paper presents three approaches for producing sustainable concrete: (1) introduction of a new class of admixture systems that produce control flow concrete or concrete with flow characteristics of self-consolidating concrete (SCC) without using high cement content, (2) minimization of polycarboxylate ether/ester (PCE) and cement usage through better understanding of the interaction between PCEs and sulfates and (3) use of in-transit concrete management systems (iCMS) to consistently deliver concrete that will meet desired specifications with minimal over-design.
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