TY - CONF A1 - Helmerich, Rosemarie A1 - Milmann, Boris A1 - Wöstmann, Jens A1 - Feistkorn, S. ED - Barros, J. ED - Sena-Cruz, J. T1 - Durability of CFRP-laminate strengthening T2 - FRPRCS-11 - 11th International symposium on fiber reinforced polymer for reinforced concrete structures CY - Guimaraes, Portugal DA - 2013-06-26 KW - CFRP-Laminate KW - Debonding KW - Flexural strengthening KW - Bridge KW - NDT KW - Durability test KW - Inspection PY - 2013 SN - 978-972-8692-84-1 SP - 41 EP - 42 (Session 6.5) AN - OPUS4-28859 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Helmerich, Rosemarie A1 - Hong, Shuxian ED - Miyamoto, A. ED - Hakola, I. ED - Yabe, A. ED - Emoto, H. T1 - Nondestructive evaluation and structural health monitoring T2 - CSHM-5 - 5th International workshop on civil structural health monitoring - Structural health monitoring and maintenance of short- & medium-span bridges CY - Ube, Yamaguchi, Japan DA - 2013-10-24 KW - Non-destructive testing KW - Requirements for NDE KW - Reinforced concrete bridges KW - Corrosion detection KW - Ground penetrating radar KW - Chloride contamination PY - 2013 IS - Keynote paper 4 SP - 49 EP - 56 AN - OPUS4-29510 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Hong, Shuxian A1 - Helmerich, Rosemarie T1 - Non-destructive corrosion monitoring in concrete with ground penetrating radar N2 - In this research, laboratory experiments were carried out to investigate the feasibility of using ground penetrating radar (GPR) for corrosion detection and/or monitoring, and the mechanism of corrosion caused GPR signal changes, taking into account the influence of several parameters: Chloride, rebar size and cover depth. With the understanding of the mechanism, a novel method for detecting reinforcement corrosion in concrete with GPR is proposed, together with a series of signal processing toolkits for corrosion visualization and image comparison. T2 - SmartEN Marie Curie ITN Final Conference CY - Limassol, Cyprus DA - 09.10.2013 KW - Concrete KW - Reinforcement corrosion KW - Nondestructive testing KW - Ground penetration radar KW - Long term corrosion monitoring KW - Periodic monitoring PY - 2013 SP - 1 EP - 6 AN - OPUS4-29580 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -