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Simulation of real removal of heat-affected concrete layers by water jets during repair works
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SYSNO ASEP 0463949 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Simulation of real removal of heat-affected concrete layers by water jets during repair works Author(s) Sitek, Libor (UGN-S) RID, ORCID
Bodnárová, L. (CZ)
Foldyna, Josef (UGN-S) RID, ORCID
Klich, Jiří (UGN-S) RID, ORCIDNumber of authors 4 Source Title NT2F16 - 16th International Conference on New Trends in Fatigue and Fracture. - Zagreb : University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2016 / Božić Ž. - ISBN 978-953-7738-39-6 Pages s. 281-282 Number of pages 2 s. Publication form Print - P Action NT2F16 - International Conference on New Trends in Fatigue and Fracture /16./ Event date 24.05.2016 - 27.05.2016 VEvent location Dubrovník Country HR - Croatia Event type WRD Language eng - English Country HR - Croatia Keywords concrete ; heating ; water jet ; hydrodemolititon ; repair of concrete structures Subject RIV JQ - Machines ; Tools Institutional support UGN-S - RVO:68145535 Annotation The contribution focuses on laboratory simulation of real-life removal of degraded layers of
heat-affected concrete panels by means of hydrodemolition. Several concrete mixtures were
prepared. They differed in used aggregates, types of cement and presence of polypropylene
fibres. Degraded layers were removed by rotating continuous high speed water jet. For comparison,
the same process was used for the removal of surface layers of concretes which
were not thermally loaded. Resistance of concretes against water jet penetration was studied.Workplace Institute of Geonics Contact Lucie Gurková, lucie.gurkova@ugn.cas.cz, Tel.: 596 979 354 Year of Publishing 2017
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