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Cracked and repaired concrete subject to fluid penetration

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Abstract

Test series have been performed on concrete specimens containing bending cracks. The specimens were subject to fluid penetration. Organic fluids (acetone, n-decane, n-heptane) have been used. In a second series, beams were precracked. The cracks were injected by epoxy or polyurethane resin. After 10,000 loading cycles, organic fluids could penetrate into the concrete. Results are presented and discussed. Suggestions for the application in engineering practice are given.

Résumé

Une série d'essais ont été effectués sur des éprouvettes de béton ayant des fissurations de fléchissement et soumises à la pénétration des fluides. Des fluides organiques (acétone, n-décane, n-heptane) ont été utilisés. Lors d'une deuxième série d'essais, les poutres avaient été fissurées au préalable et une résine expoxyde ou polyuréthane a été injectée dans les fissures. Après 10 000 cycles de chargement, les fluides organiques ont pu pénétrer dans le béton. Les résultats sont présentés et discutés, ainsi que des suggestions pour leur application dans la pratique.

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Authors and Affiliations

  1. Institute of Construction Materials, University of Stuttgart, D-70550, Stuttgart, Germany

    Hans-Wolf Reinhardt, Massimo Sosoro & Xiao-feng Zhu

Authors
  1. Hans-Wolf Reinhardt
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  2. Massimo Sosoro
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  3. Xiao-feng Zhu
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Additional information

Editorial Note Prof. Dr.-Ing. H.-W. Reinhardt works at the University of Stuttgart and at the FMPA Baden-Württemberg, Otto-Graf Insitut, Germany, a RILEM Titular Member. Prof. Reinhardt is a RILEM Senior Member and RILEM Fellow. He is chairman of TC 146-TCF, a member of TC 148-SSC and participates in the Editorial Group of TC 090-FMA. He is also a corresponding member of TCs 107-CSP, 126-IPT, 160-MLN and 162-TDF. Prof. Reinhardt is a member of the Board of Editors of Materials and Structures and the RILEM National Delegate to Germany. Dr. M. Sosoro has received the 1997 Robert l'Hermite Medal for his outstanding research work.

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Reinhardt, HW., Sosoro, M. & Zhu, Xf. Cracked and repaired concrete subject to fluid penetration. Mat. Struct. 31, 74–83 (1998). https://doi.org/10.1007/BF02486468

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  • DOI: https://doi.org/10.1007/BF02486468

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