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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: The Role of Nanotechnology for the
Development of Sustainable Concrete
Author(s): H.J.H. (Jos) Brouwers
Publication: Special Publication
Appears on pages(s): 69-92
Keywords: mineral oxide engineering; particle size engineering; nanotechnology
Abstract:The present paper addresses several topics in regard to the sustainable
design and use of concrete and the role of nanotechnology. First, major features concerning the sustainable aspects of the material concrete are summarized. Then the major constituent, cement, (from an environmental point of view), is discussed in detail, particularly the hydration and application of slag cement. The intelligent combining of mineral oxides, which are found in clinker, slag, and fly ashes, is designated as mineral oxide engineering. It results, among others, in environmentally friendly binders, recipes for soil stabilization (new building products), and impermeable/durable concretes. Subsequently, the mixture design of concrete is treated, whereby distinction is made between self-consolidating concrete and earthmoist concrete. By combining the particle sizes of all components, including the powders (cement, fillers), optimum mixtures in regard to workability/compactability
and hardened state properties are obtained. This so-called particle size engineering results in concretes that meet all technical requirements, but that also make optimum use of the cement it is containing. This paper concludes with summarizing the opportunities and challenges involved with the introduction of both approaches, viz. mineral oxide engineering and particle size engineering, in the construction industry.
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