TY - CONF A1 - Kervalishvili, Guram N. A1 - Schlichting, Joachim A1 - Maierhofer, Christiane A1 - Kreutzbruck, Marc T1 - FEM modelling of heat transfer in the vicinity of vertical surface cracks using local thermal excitation T2 - Thermographie-Kolloquium 2009 CY - Stuttgart, Germany DA - 2009-10-08 KW - FEM modelling KW - Active thermography KW - Laser excitation KW - Cracks KW - Steel PY - 2009 IS - DGZfP-BB 119-CD (Poster 02) SP - 1 EP - 8 CY - Berlin AN - OPUS4-20096 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Krankenhagen, Rainer A1 - Kervalishvili, Guram N. A1 - Maierhofer, Christiane T1 - Influence of air-gaps on the thermal behaviour of the plaster-concrete bonds N2 - The delamination of a plaster layer, which covers a concrete structure, can be detected by active thermography. In this paper, a systematic series of measurements is described, where the gap between plaster and concrete was varied. These investigations were compared to FEM-simulations. The experimental and simulated data were in good agreement. It was found that the used experimental setup yields only marginal differences between fixed and lose plaster in the thermal behavior. However, significant characteristics within the temperature decays could be resolved, which are clearly related to the air gap. T2 - QIRT 10 - 10th International conference on Quantitative InfraRed Thermography CY - Québec, Canada DA - 2010-07-27 KW - Active thermography KW - Plaster KW - Concrete KW - Temperature decay PY - 2010 UR - http://qirt.gel.ulaval.ca/archives/qirt2010/papers/QIRT%202010-067.pdf SN - 978-2-9809199-1-6 IS - QIRT 2010-067 SP - 1 EP - 5(?) AN - OPUS4-21956 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -