TY - CONF A1 - Friese, Martin A1 - Helmerich, Rosemarie A1 - Effner, Ute A1 - Mielentz, Frank A2 - Frangopol, D. A2 - Sause, R. A2 - Kusko, C. T1 - Capabilities of non-destructive testing of RC structures - quality assurance for crack repair using ultrasonic echo T2 - IABMAS 2010 - Bridge maintenance, safety, management and life-cycle optimization (Proceedings) PB - CRC Press T2 - IABMAS 2010 - Bridge maintenance, safety, management and life-cycle optimization CY - Philadelphia, PA, USA DA - 2010-07-11 KW - Zerstörungsfreie Prüfung KW - Ultraschall KW - Risse KW - Erfolgskontrolle Rissinjektion PY - 2010 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/22548 AN - OPUS4-22548 SN - 978-0-415-87786-2 SP - 1524 EP - 1531 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany