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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: Improvement of Serviceability and Strength of Textile-Reinforced Concrete
Elements with Short Fiber Mixes
Author(s): M. Hinzen and W. Brameshuber
Publication: Special Publication
Appears on pages(s): 7-18
Keywords: ductility; fine-grained concrete; first crack strength; short fibers; textilereinforced concrete
Abstract:Nowadays, thin-walled load bearing structures can be realized using textile-reinforced concrete (Brameshuber and RILEM TC 201-TRC, 2006). The required tensile strength is achieved by embedding several layers of textile. By means of the laminating technique the number of textile layers that can be included into the concrete could be increased. To further increase the first crack strength and the ductility and to optimize the crack development, fine-grained concrete mixtures with short fibers can be used. By simultaneously using different types of short fibers, the positive properties of each fiber may be combined. By a schematic stress-strain curve, the demands on short-fiber mixtures are defined. Within the scope of this study, short fibers made of glass, carbon, aramid, and polyvinyl alcohol are investigated in terms of their ability to fit these requirements. Furthermore, examinations to determine the fiber types and fiber volumes are presented. Finally, two hybrid fiber-reinforced concretes are introduced. On the basis of stress-strain curves of textile-reinforced concrete, the advantages of these fiber mixtures are discussed.
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