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Modeling the dynamic properties of fibre-reinforced concrete with different coating technologies of multifilament yarns
Affiliation:1. Institute of Mechanics and Shell Structures, Faculty of Civil Engineering, Technische Universität Dresden, D-01062, Germany;2. Institute of Construction Materials, Faculty of Civil Engineering, Technische Universität Dresden, D-01062, Germany;1. Karlsruhe Institute of Technology (KIT), Institute of Functional Interfaces, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany;2. Hokkaido University of Science, Department of Civil and Environmental Engineering, 4-1, 7-15, Maeda, Teine-ku, 006-8585 Sapporo, Japan;3. University of Applied Sciences Karlsruhe, Institute for Prevention in Construction, Moltkestr. 30, D-76133 Karlsruhe, Germany;1. Laboratory of Molecular Medicine and Genomics, Department of Medicine and Surgery, University of Salerno, via S. Allende 1, 84081 Baronissi, SA, Italy;2. Genomix4Life Srl, Department of Medicine and Surgery, University of Salerno, 84081 Baronissi, SA, Italy;3. Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA;4. Child and Adolescent Neuropsychiatry, Department of Medicine and Surgery and “SS. Giovanni di Dio e Ruggi d’Aragona—Schola Medica Salernitana” Hospital of the University of Salerno, 84131 Salerno, Italy;5. Molecular Pathology and Medical Genomics, “SS. Giovanni di Dio e Ruggi d’Aragona—Schola Medica Salernitana” Hospital of the University of Salerno, 84131 Salerno, Italy;1. CEA, DEN, DPC, SECR, Laboratory for Clay and Concrete Behavior Study, 91191, Gif-sur-Yvette Cedex, France;2. Drexel University, Department of Civil, Architectural & Environmental Engineering, 3141 Chestnut Street, Philadelphia, PA, 19104, USA;3. Purdue University, School of Civil Engineering, Stadium Mall Drive, West Lafayette, IN, 47907, USA;4. Oregon State University, School of Civil and Construction Engineering, 111F Kearney Hall, Corvallis, OR, 97331, USA;1. Department of Civil and Environmental Engineering, Tennessee Technological University, 1020 Stadium Drive, Box 5015, Cookeville, TN 38505-0001, USA;2. Smith Seckman Reid, Inc., 2995 Sidco Drive, Nashville, TN 37204, USA;1. Research Group Schoonmeersen, Department of Structural Engineering, Faculty of Engineering and Architecture, Ghent University, Valentin Vaerwyckweg 1, B-9000, Ghent, Belgium;2. Magnel Laboratory for Concrete Research, Department of Structural Engineering, Faculty of Engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 904, B-9052, Ghent, Belgium
Abstract:The dynamic behaviour of fibre-reinforced, cementitious composite materials is gaining increasing interest. With respect to service life dynamic loading just under the elastic limit of the material at hand is relevant to practical applications, for the resulting (stress-)waves may be focused within regions of the heterogeneous composite material. This local overstraining of the material may lead to deterioration of the structural element. In this contribution, the effect of the set-up of the reinforcing fibres on the wave scattering behaviour is investigated. Special attention is paid to layered centric configurations of these fibres, as it occurs e. g. within textile-reinforced concrete (TRC). A mechanical model is developed and solved analytically providing an efficient and robust method to describe the dynamic behaviour of given fibre configurations. This method is needed for materials which have to be described mechanically before the manufacturing process – as it is the case for TRC. The proposed model also allows for planning experiments and thus is of additional value. It is shown that the inner structure of the fibres does influence the amplitude response spectra and consequently the proposed method also may be used for non-destructively detecting the inner structure of the multifilament yarns and other related objects.
Keywords:Fibre-reinforced concrete  Fibre modification  Dynamic loading  Wave propagation  Tailored material  Material characterisation  Bond behaviour  37N15  74H05  74H35  74J10  74J20
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