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A New Generation of Sustainable Structural Concretes – Design Approach and Material Properties

Müller, H. S.; Moffatt, J. S.; Haist, M.; Vogel, M.

Abstract:
Sustainable concretes, also termed eco-concretes or green concretes, produced with a significantly reduced cement content provide a promising alternative for improving concrete sustainability without using supplementary cementitious materials, such as fly ash or slag. However, the production of such eco-concretes is a challenge in view of concrete technology and concrete properties. In particular, new design concepts as well as new admixtures have to be developed and applied to produce concretes with a cement clinker 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.

This contribution firstly gives an overview on sustainable approaches for concrete structures, further 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. ... mehr

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Verlagsausgabe §
DOI: 10.5445/IR/1000097884
Veröffentlicht am 30.08.2019
Originalveröffentlichung
DOI: 10.1088/1755-1315/290/1/012002
Scopus
Zitationen: 2
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Massivbau und Baustofftechnologie (IMB)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2019
Sprache Englisch
Identifikator ISSN: 1755-1315
KITopen-ID: 1000097884
HGF-Programm 34 (POF III, LK 01)
EMR
Erschienen in IOP conference series / Earth and environmental science
Band 290
Seiten Article: 012002
Bemerkung zur Veröffentlichung Central Europe towards Sustainable Building (CESB19), July 2-4, 2019, Prague, CZ
Vorab online veröffentlicht am 21.06.2019
Nachgewiesen in Scopus
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