A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
New concepts for high performance concrete with improved ductility
Investigations are reported on 2 different approaches to increase the ductility of high-performance concrete by the use of fibers or mineral admixtures. Concretes with fibers (steel and/or polypropylene) and without were tested by controlled compression of concrete columns. The best results were obtained by specimens containing both types of fibers. The mineral admixtures investigated were either a combination of high reactivity metakaolin (HRM) and wollastonite (a natural microfiber) or inert fillers. The best results were obtained from specimens containing both metakaolin and wollastonite fibers. The replacement of silica fume by stone powder rhyolithe also led to an improvement in the ductility.
New concepts for high performance concrete with improved ductility
Investigations are reported on 2 different approaches to increase the ductility of high-performance concrete by the use of fibers or mineral admixtures. Concretes with fibers (steel and/or polypropylene) and without were tested by controlled compression of concrete columns. The best results were obtained by specimens containing both types of fibers. The mineral admixtures investigated were either a combination of high reactivity metakaolin (HRM) and wollastonite (a natural microfiber) or inert fillers. The best results were obtained from specimens containing both metakaolin and wollastonite fibers. The replacement of silica fume by stone powder rhyolithe also led to an improvement in the ductility.
New concepts for high performance concrete with improved ductility
König, G. (author) / Deutschmann, K. (author) / Kützing, L. (author) / Meyer, J. (author) / Sicker, A. (author)
1998
4 Seiten, 4 Bilder, 1 Tabelle, 8 Quellen
Conference paper
English
Dehnung , mechanische Spannung , Beton , mechanische Verstärkung , faserverstärktes Erzeugnis , Stahl , Polypropylen , Faser , Naturfaser , Zusammensetzung , Additiv , Kieselgel , Bruchmechanik , Druckbeanspruchung , Prüftest , mechanische Beanspruchung , Wollastonit , Metakaolin , Füllstoff , Bruchzähigkeit , Optimierung
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