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New Sustainable Concretes – Design Approach and Properties

Author(s): Harald S. Müller, Michael Haist, Jack S. Moffatt and Michael Vogel
Paper category: Proceedings
Book title: Proceedings of the International Conference on Advances in Construction Materials and Systems, Vol. 1
Editor(s): Manu Santhanam, Ravindra Gettu, Radhakrishna G. Pillai, Sunitha K. Nayar
ISBN: 978-2-35158-193-3
e-ISBN: 978-2-35158-191-9
Publisher: RILEM Publications SARL
Publication year: 2017
Pages: 81-94
Total Pages: 14
Language : English

Abstract: Sustainable concretes, also termed eco-concretes or green concretes, produced with significantly reduced cement content provide a promising alternative for improving concrete sustainability without using supplementary cementitious materials. However, the production of such eco-concretes is a challenge in view of concrete technology and concrete properties. No conventional rule remains valid, and particular new design concepts as well as new admixtures have to be applied to produce such concretes with a cement content of approx. 100 kg/m³ while keeping the concrete performance on a level similar to ordinary structural concrete of today. To evaluate the sustainability of these new types of concretes not only the very low ecological impact due to the composition may be regarded, but in addition also their technical performance, i.e. their mechanical, physical and chemical properties have to be taken into consideration. Consequently, this contribution introduces the Building Material Sustainability Potential as an index, which is applied in combination with the service life prediction for cement-reduced concretes using full probabilistic methods. The composition of these concretes is indicated, and related test results for their performance are presented.

Online publication : 2017
Publication type : full_text
Public price (Euros) : 0.00

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