TY - CONF A1 - Friese, Martin A1 - Helmerich, Rosemarie A1 - Effner, Ute A1 - Mielentz, Frank ED - Frangopol, D. ED - Sause, R. ED - 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 CY - Philadelphia, PA, USA DA - 2010-07-11 KW - Zerstörungsfreie Prüfung KW - Ultraschall KW - Risse KW - Erfolgskontrolle Rissinjektion PY - 2010 SN - 978-0-415-87786-2 SP - 1524 EP - 1531 PB - CRC Press AN - OPUS4-22548 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -