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Abstract:	Der Beitrag befasst sich mit der Nachweisbarkeit von Strukturdefekten in Elementwänden mittels zerstörungsfreier Prüfverfahren. Innerhalb einer Versuchsreihe wurden in Elementwänden vordefinierte Fehlstellen eingebaut, die während der Betonage auf der Baustelle auftreten können. Die Messungen wurden durch verschiedene Messteams mit Ultraschall-Echo-, Impact-Echo- und Impuls-Radar-Verfahren an einem vorgegebenen Messraster ausgeführt. Dabei konnten die Strukturdefekte vielfach zerstörungsfrei nachgewiesen werden. Die wesentlichen Untersuchungsergebnisse werden nachfolgend dargestellt. Verification of Failure in Prefabricated Walls Using Non-Destructive Testing Methods This essay deals with the verification of failure in prefabricated walls using non-destructive testing methods. Series of tests were carried out considering several imperfections which might occur on site during construction. Three measuring methods were used by different parties to carry out the tests. These methods were the Ultrasonic Echo Method, the Impact-Echo Method and Impulse Radar Technique, where in many cases failure could have been detected in using these methods. The main research results are presented here.
Source:	Beton- und Stahlbetonbau 105 (2010), No. 12
Page/s:	787-796
Language of Publication:	German

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