TY - CONF A1 - Wiggenhauser, Herbert T1 - Validation process T2 - Transportation Research Board (TRB) 87th Annual Meeting, Commitee AFF40 CY - Washington, D.C., USA DA - 2008-01-13 PY - 2008 AN - OPUS4-16596 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Niederleithinger, Ernst A1 - Wiggenhauser, Herbert A1 - Mielentz, Frank A1 - Bertschat, Anja-Sophie A1 - Mierschke, Vivien A1 - Werner, Andreas T1 - Untersuchung von Veränderungen in Beton mit Ultraschall-Codawelleninterferometrie N2 - Die Coda transmittierter Ultraschallsignale in Beton enthält Informationen zu Struktur und Zustand des Materials bzw. deren Änderung. Relevant sind u. a. Temperatur, Stress, Feuchtigkeit und verschiedene Schädigungsmechanismen. Die zahlreichen Einflussfaktoren sind nur schwer zu trennen und die Messeffekte oft zu Beginn sehr klein.Die CWI ermöglicht die Detektion kleinster Geschwindigkeitsveränderungen durch den Vergleich, der in kleinen Schritten gestauchten oder gestreckten Signalen mit eine Referenzmessung. Andere Indikatoren für Änderungen im Material sind: • Kreuzkorrelation • Laufzeit direkte Welle • Energie/Amplitude • Änderungen im Frequenzspektrum Die beschriebene Technik wird von uns bisher primär in klein- und großskaligen Laborversuchen genutzt. Die Forschung konzentriert sich auf die Untersuchung und Trennung verschiedener Einflusseffekte. Aber auch erste reale Bauwerke wurden schon instrumentiert, z. B. Brücken und eine Tunneldecke. T2 - 77. Jahrestagung der Deutschen Geophysikalischen Gesellschaft CY - Potsdam, Germany DA - 27.03.2017 KW - Beton Ultraschall Monitoring PY - 2017 AN - OPUS4-39661 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Scheel, H. T1 - The remanent-magnetism-method: non-destructive location of prestressing steel fractures in post-tensioned concrete T2 - TRB 85th Annual Meeting, Workshop Assessment of Existing PT Bridges CY - Washington, D.C., USA DA - 2006-01-22 PY - 2006 AN - OPUS4-14274 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - The NDT-Compendium in the Internet T2 - Transportation Research Board of the National Academies, 83rd Annual Meeting 2005, Committee AFF40 CY - Washington, D.C., USA DA - 2005-01-11 PY - 2005 AN - OPUS4-7355 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Niederleithinger, Ernst T1 - The NDT-CE test and validation site at BAM-TTS, Horstwalde T2 - Transportation Research Board (TRB) 89th Annual Meeting CY - Washington, D.C., USA DA - 2010-01-09 PY - 2010 AN - OPUS4-20899 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Schulze, Sebastian T1 - Testwall for Tendon Duct Inspection T2 - Transportation Research Board (TRB), 92nd Annual Meeting CY - Washington, D.C., USA DA - 2013-01-13 PY - 2013 AN - OPUS4-29357 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Niederleithinger, Ernst T1 - Sustainable Bridges T2 - Transportation Research Board of the National Academies, 83rd Annual Meeting 2005 CY - Washington, D.C., USA DA - 2005-01-11 PY - 2005 AN - OPUS4-7361 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Naus, D. J. T1 - State-of-the-Art of Non-Destructive Testing Methods and Technologies for Nuclear Power Plant Safety-Related Concrete Structures T2 - Workshop on Non-Destructive Evaluation of Thick Walled Concrete Structures CY - Prague, Czech Republic DA - 2013-09-17 PY - 2013 AN - OPUS4-29348 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Naus, D. J. T1 - State-of-the-Art of Non-Destructive Testing Methods and Technologies for Nuclear Power Plant Safety-Related Concrete Structures T2 - 40th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE) 2014 CY - Baltimore, MD, USA DA - 2013-07-21 PY - 2013 AN - OPUS4-29349 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Naus, D. J. T1 - State-of-the-Art of Non-Destructive Testing Methods and Technologies for Nuclear Power Plant Safety-Related Concrete Structures T2 - Advanced Course on Sustainable Engineering Concrete - SECON 2014 CY - Chennai, India DA - 2014-02-05 PY - 2014 AN - OPUS4-30249 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Naus, D. J. T1 - State-of-the-Art of Non-Destructive Testing Methods and Technologies for Nuclear Power Plant Safety-Related Concrete Structures T2 - First International Conference on Structural Integrity CY - Kalpakkam, India DA - 2014-02-04 PY - 2014 AN - OPUS4-30250 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Signal Analysis and Data Fusion of Multi Sensor NDE of Concrete T2 - Transportation Research Board (TRB), 92nd Annual Meeting CY - Washington, D.C., USA DA - 2013-01-13 PY - 2013 AN - OPUS4-29352 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Signal Analysis and Data Fusion of Multi Sensor NDE of Concrete T2 - National Seminar on Non-Destructive Evaluation NDE 2010 CY - Kolkata, India DA - 2010-12-09 PY - 2010 AN - OPUS4-22844 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Algernon, Daniel A1 - Abraham, O. T1 - Scanning impact-echo for the investigation of tendon ducts in concrete T2 - Workshop of COST on NDT Assessment and New Systems in Prestressed Concrete Structures CY - Kielce, Poland DA - 2005-09-18 PY - 2005 AN - OPUS4-10986 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Research in non-destructive testing in civil engineering at BAM T2 - Concrete Platform 2007 CY - Belfast, Northern Ireland DA - 2007-04-19 PY - 2007 AN - OPUS4-14730 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Research in Non-destructive Testing in Civil Engineering at BAM T2 - Polytechnic School Seminar, University of Sao Paulo CY - São Paulo, Brazil DA - 2013-11-07 PY - 2013 AN - OPUS4-29513 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Research in Non-destructive Testing in Civil Engineering at BAM T2 - Seminar, ipt Instituto Pesquisas Technologicas CY - São Paulo, Brazil DA - 2013-11-06 PY - 2013 AN - OPUS4-29514 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Research in Non-Destructive Testing in Civil Engineering at BAM T2 - University of Minnesota, Warren Lecture Series - Spring 2010 CY - Minneapolis, MN, USA DA - 2010-01-22 PY - 2010 AN - OPUS4-20904 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Research in NDT-CE at BAM Berlin T2 - NDT Conference JSNT CY - Tokyo, Japan DA - 2006-08-01 PY - 2006 AN - OPUS4-18013 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Research in NDT-CE at BAM Berlin T2 - Seminar University of Texas at El Paso CY - El Paso, TX, USA DA - 2006-08-09 PY - 2006 AN - OPUS4-18014 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Research in NDT-CE at BAM Berlin T2 - Seminar Wayne State University CY - Detroit, MI, USA DA - 2006-08-21 PY - 2006 AN - OPUS4-18015 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Research in NDT-CE at BAM Berlin T2 - Seminar NIST CY - Gaithersburg, MD, USA DA - 2006-08-24 PY - 2006 AN - OPUS4-14354 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Streicher, Doreen A1 - Milmann, Boris A1 - Algernon, Daniel T1 - Reflection of acoustic waves at conrete/steel-interfaces T2 - Workshop AFF 40 (1) in the scope of Transportation Research board (TRB) 85th Annual Meeting 2006 CY - Washington, D.C., USA DA - 2006-01-22 PY - 2006 AN - OPUS4-12137 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Recent advances in NDE in civil engineering T2 - ISTN, NDE 2007 CY - Vadodara, India DA - 2007-11-27 PY - 2007 AN - OPUS4-16561 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Qualitätssicherung im Bauwesen mit zerstörungsfreien Prüfverfahren T2 - Vorlesung an der Hochschule Konstanz, Fak. Bauingenieurwesen CY - Konstanz, Germany DA - 2007-12-05 PY - 2007 AN - OPUS4-16563 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Wilsch, Gerd A1 - Goldschmidt, Sebastian A1 - Niederleithinger, Ernst A1 - Bienert, Klaus A1 - Schalk, Heike A1 - Molkenthin, A. T1 - Quality Control of Hydrophobic Coatings with an Integrated Marker Element by Laser-Induced Breakdown Spectroscopy (LIBS) T2 - International Congress on Durability of Concrete CY - Trondheim, Norway DA - 2012-06-18 PY - 2012 AN - OPUS4-27414 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Mielentz, Frank A1 - Milmann, Boris A1 - Krause, Martin A1 - Wiggenhauser, Herbert T1 - Praxiseinsatz eines Ultraschall-Verfahrens zur Strukturuntersuchung von Betonbauteilen N2 - Einsatzbereiche des Meßsystems: - Ortung von Strukturelementen oder Verdichtungsmängeln in Beton - Dickenbestimmung von Bauteilen bei einseitiger Zugänglichkeit - Messung des Haftverbundes bei mehrschichtigen Bauteilen Auswerteverfahren: - Prinzip der laufzeitkorrigierten Überlagerung Vorteile: - Automatischer Meßablauf durch Array-Technik - Flexibler Einsatz durch lange Kabelverbindungen zwischen Prüfkopfarray und Meßapparatur T2 - Fachtagung Bauwerksdiagnose - Praktische Anwendungen Zerstörungsfreier Prüfungen CY - Munich, Germany DA - 21.01.1999 KW - Dickenmessung KW - Sohlplatte KW - Leerrohre PY - 1999 AN - OPUS4-36521 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Kind, Thomas A1 - Krause, Martin A1 - Schulze, Sebastian A1 - Taffe, Alexander A1 - Trela, Christiane A1 - Wöstmann, Jens T1 - Praktische Anwendung zerstörungsfreier Prüfverfahren an Brücken T2 - 1. Brückenkolloquium an der TA Esslingen CY - Ostfildern, Deutschland DA - 2015-06-24 PY - 2015 AN - OPUS4-34557 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Taffe, Alexander A1 - Borchardt, Kerstin T1 - Planung und Herstellung des großen Betonprobekörpers (GBP) zur Ertüchtigung von zerstörungsfreien Prüfverfahren T2 - Forschergruppe 384, 2. Workshop-Klausursitzung, MFPA Weimar CY - Weimar, Germany DA - 2002-09-17 PY - 2002 AN - OPUS4-3876 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Taffe, Alexander A1 - Kind, Thomas A1 - Stoppel, Markus T1 - OSSCAR - Development of an One-Site Scanner for Non-destructive Bridge Assessment T2 - Meeting at the TRB 88th Annual Meeting, Committee AFF40 CY - Washington, D.C., USA DA - 2009-01-11 PY - 2009 AN - OPUS4-20800 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Taffe, Alexander A1 - Kind, Thomas A1 - Stoppel, Markus T1 - OSSCAR - Development of an On-Site SCanneR for automated non-destructive bridge testing T2 - 2nd International Conference on Concrete Repair, Rehabilitation and Retrofitting ICCRRR 2008 CY - Cape Town, South Africa DA - 2008-11-24 PY - 2008 AN - OPUS4-18415 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Neumann, T. A1 - Stoppel, Markus T1 - Operational Capability of RFID-based Sensor Systems for Concrete Structures T2 - Transportation Research Board (TRB), 92nd Annual Meeting CY - Washington, D.C., USA DA - 2013-01-13 PY - 2013 AN - OPUS4-29353 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Maierhofer, Christiane T1 - On-site investigation techniques for the structural assessment of historic masonry buildings T2 - 5th EC Conference Cultural Heritage Research: A Pan European Challenge CY - Kraków, Poland DA - 2002-05-16 PY - 2002 AN - OPUS4-6082 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Objektbezogene Schadensanalyse-Verfahren T2 - Lehrgang für Bauwerksprüfingenieure an der BASt CY - Bergisch Gladbach, Germany DA - 2002-10-24 PY - 2002 AN - OPUS4-3875 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Nondestructive testing in Civil Engineering T2 - Golden Jubilee celebration of SERC Recent Advances in Structural Engineering CY - Indien DA - 2015-05-07 PY - 2015 AN - OPUS4-34374 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Nondestructive Testing in Civil Engineering T2 - Golden Jubilee celebration of SERC Recent Advances in Structural Engineering CY - Chennai, Indien DA - 2015-05-07 PY - 2015 AN - OPUS4-33174 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Nondestructive testing in civil engineering N2 - Vortrag über die Aktivitäten des Fachbereichs 8.2 in der zerstörungsfreien Prüfung im Bauwesen. T2 - 7th international Workshop on Structural Life Management of Eco-Power Structures CY - Daejeon, Korea DA - 20.09.2017 KW - ZfPBau KW - Zerstörungsfreie Prüfung KW - Bauwesen KW - Infrastruktur PY - 2017 AN - OPUS4-42203 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Wöstmann, Jens A1 - Schulze, Sebastian A1 - Barry, K. A1 - Guimaraes, M. A1 - Scott, D. A1 - Lindberg, J. A1 - Lareau, J. T1 - Nondestructive Evaluation of Steel-Concrete Mockups T2 - 10th International Conference on NDE in Relation to Structural Integrity for Nuclear and Pressurized Components CY - Cannes, France DA - 2013-10-01 PY - 2013 AN - OPUS4-29184 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Non-Destructive Testing of Reinforced Concrete Structures at BAM T2 - National Research Council (NRC) CY - Washington, D.C., USA DA - 2010-01-20 PY - 2010 AN - OPUS4-20902 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Maierhofer, Christiane T1 - Non-Destructive Testing of Monuments T2 - Indo-German Workshop, Earthquakes CY - Karlsruhe, Germany DA - 2002-06-25 PY - 2002 AN - OPUS4-3874 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Maierhofer, Christiane T1 - Non-Destructive Testing of Historical Structures T2 - Ariadne Workshop 2002 CY - Prague, Czech Republic DA - 2002-05-22 PY - 2002 AN - OPUS4-3873 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Streicher, Doreen T1 - Non-destructive testing of bridges T2 - 4th International Conference on Construction Materials: Performance, Innovations and Structural Implications CY - Nagoya, Japan DA - 2009-08-24 PY - 2009 AN - OPUS4-20782 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Non-destructive testing in civil engineering at BAM N2 - Non-Destructive assessment of the National Infrastructure in Germany has been the topic of R&D at BAM since many years. In 1989 BAM has established a R&D group dedicated to the development and application of Non-Destructive Testing in Civil Engineering. Since then, this group has left has participated in numerous research projects and cooperated with many researches and institutes worldwide. A complex system of inspection and maintenance is in place to inspect and maintain roads, bridges, tunnels and other installations. Based on visual inspection structures like bridges are inspected regularly. In case of concerns which cannot be resolved in this process, a procedure “Object Oriented Damage Analysis” has been put into place where additional inspection methods, especially NDT methods, are being utilized. NDT methods to establish material properties such as strength, porosity, moisture, carbonation, etc need more attention to strengthen the links between engineers and inspectors. BAM and TU Berlin have established a joint Junior Professor to address this research area with gravity. Research is currently focused on methods, data, validation, certification and standardization. Industry 4.0 has become a widely discussed topic with unforeseeable impact. Current research topics include - Large Aperture UltraSound (LAUS) to evaluate very thick concrete elements (> 1m) - Embedded ultrasound sensors to monitor changes in concrete - Data fusion algorithms for honeycomb detection, corrosion localization and reinforcement diameter determination - Reverse Time Migration to improve imaging of concrete structures - Laser Induced Breakdown Spectroscopy (LIBS) with new applications, improved sensitivity and resolution, new devices - RFID based humidity and corrosion sensors - Analysis of scattered Radar waves for the classification of concrete - Development of reference specimens for selected NDT tasks The presentation will present examples of current research and ideas for research directions. T2 - FHWA Seminar CY - Washington, D.C., USA DA - 25.07.2017 KW - Non-destructive Testing in Civil Engineering KW - Ultrasound; RFID KW - Ground Penetrating Radar KW - Laser Induced Breakdown Spectroscopy KW - Data Fusion KW - Large Aperture UltraSound (LAUS) KW - Monitoring of Concrete Structures KW - Reference Specimen PY - 2017 AN - OPUS4-41256 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Non-Destructive Testing in Civil Engineering T2 - SVTI-Workshop "ZfP für Betonbauteile in Kernkraftwerken" CY - Zurich, Switzerland DA - 2011-11-16 PY - 2011 AN - OPUS4-24895 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Non-Destructive Testing in Civil Engineering T2 - Minnesota Department of Transportation CY - Minneapolis, MN, USA DA - 2010-01-22 PY - 2010 AN - OPUS4-20903 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Non-Destructive Testing in Civil Engineering T2 - Eingeladener Gastvortrag an der Ege Universität Izmir CY - Izmir, Turkey DA - 2010-10-17 PY - 2010 AN - OPUS4-22479 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert A1 - Helmerich, Rosemarie A1 - Niederleithinger, Ernst T1 - Non-destructive techniques for the condition assessment of railway bridges T2 - Transportation Research Boards (TRB) 85th Annual Meeting CY - Washington, D.C., USA DA - 2006-01-22 PY - 2006 AN - OPUS4-12033 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Non-destructive evaluation of concrete structures using acoustic and electromagnetic methods T2 - Transportation Research Board of the National Academies, 83rd Annual Meeting 2005 CY - Washington, D.C., USA DA - 2005-01-12 PY - 2005 AN - OPUS4-7316 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Non-Destructive Assessment of Reinforced Concrete Structures with Combined Methods T2 - OECD - Nuclear Energy Agency Workshop: Ageing Management of Thick Walled Concrete Structures CY - Prague, Czech Republic DA - 2008-10-01 PY - 2008 AN - OPUS4-18118 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wiggenhauser, Herbert T1 - Neue Entwicklungen der zerstörungsfreien Prüfung im Bauwesen T2 - Fachtagung Bauwerksdiagnose CY - Berlin, Germany DA - 2010-02-18 PY - 2010 AN - OPUS4-20952 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -