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Methods to Quantify the Utility of NDT in Bridge Reassessment

  • The purpose of this contribution is to introduce and to apply the developed approach of incorporating non-destructively gathered measurement results (instead of deterministic information and assumptions) into a reassessment model of a typical prestressed concrete road bridge and to outline the advantages. An essential part is the quality evaluation of the non-destructively measured information, that deals primarily with two questions. Could the object or parameter to be obtained reliably detected and if, how accurate are the inspection results achieved? Therefore, the importance of the combination of a probability of detection (POD)-approach and measurement uncertainty calculations is emphasized. With regard to the introduced case-study it is shown, for which structure parameters an assumption deviating from the actual (and measurable) situation has a particularly strong (and possibly arithmetically unfavorable) influence on the structural reliability. Measurements on such parametersThe purpose of this contribution is to introduce and to apply the developed approach of incorporating non-destructively gathered measurement results (instead of deterministic information and assumptions) into a reassessment model of a typical prestressed concrete road bridge and to outline the advantages. An essential part is the quality evaluation of the non-destructively measured information, that deals primarily with two questions. Could the object or parameter to be obtained reliably detected and if, how accurate are the inspection results achieved? Therefore, the importance of the combination of a probability of detection (POD)-approach and measurement uncertainty calculations is emphasized. With regard to the introduced case-study it is shown, for which structure parameters an assumption deviating from the actual (and measurable) situation has a particularly strong (and possibly arithmetically unfavorable) influence on the structural reliability. Measurements on such parameters are particularly beneficial for a reliable and robust reassessment. In conclusion, the individual reassessment results without consideration and with consideration of evaluated non-destructive inspection results are compared.zeige mehrzeige weniger

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  • Kuettenbaum2021_Chapter_MethodsToQuantifyTheUtilityOfN.pdf
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    Chapter 40

  • 2021_Bookmatter_EuropeanWorkshopOnStructuralHe.pdf
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    Front Matter

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Autor*innen:Stefan KüttenbaumORCiD, S. Feistkorn, T. Braml, A. Taffe, Stefan MaackORCiD
Persönliche Herausgeber*innen:P. Rizzo, A. Milazzo
Dokumenttyp:Buchkapitel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Lecture Notes in Civil Engineering. European Workshop on Structural Health Monitoring. Special Collection of 2020 Papers - Volume 1
Jahr der Erstveröffentlichung:2021
Organisationseinheit der BAM:8 Zerstörungsfreie Prüfung
8 Zerstörungsfreie Prüfung / 8.2 Zerstörungsfreie Prüfmethoden für das Bauwesen
Verlag:Springer Nature Switzerland
Verlagsort:Cham, Switzerland
Jahrgang/Band:127
Erste Seite:403
Letzte Seite:413
DDC-Klassifikation:Naturwissenschaften und Mathematik / Chemie / Analytische Chemie
Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau
Freie Schlagwörter:Concrete bridges; Measurement uncertainty; Non-destructive testing (NDT); Probability of detection (POD); Structural safety
Themenfelder/Aktivitätsfelder der BAM:Chemie und Prozesstechnik
Infrastruktur
DOI:10.1007/978-3-030-64594-6_40
ISSN:2366-2557
ISBN:978-3-030-64593-9
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:18.01.2021
Referierte Publikation:Nein
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