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Chapter 2: Condition survey - Testing and monitoring methods

  • The through-life management of our constantly ageing infrastructure is a basic requirement in order to ensure their structural safety and serviceability. Each structure experiences deterioration processes with time leading to a decrease of structural safety and serviceability. The design of new structures considers the expected deterioration for a defined period, the design service life. However, a frequent survey of structural safety controlling structural condition should be mandatory and a maintenance plan should be an integral part of the design. In addition, many structures have exceeded their design service life already or are very close to it leading to an increasing demand for condition assessment. On the one hand, assumptions made during design are not valid any more due to change of the loads, e.g., increasing traffic loads in terms of number and weights. On the other hand, design codes evolved over time in such a way that existing structures do not comply with today’sThe through-life management of our constantly ageing infrastructure is a basic requirement in order to ensure their structural safety and serviceability. Each structure experiences deterioration processes with time leading to a decrease of structural safety and serviceability. The design of new structures considers the expected deterioration for a defined period, the design service life. However, a frequent survey of structural safety controlling structural condition should be mandatory and a maintenance plan should be an integral part of the design. In addition, many structures have exceeded their design service life already or are very close to it leading to an increasing demand for condition assessment. On the one hand, assumptions made during design are not valid any more due to change of the loads, e.g., increasing traffic loads in terms of number and weights. On the other hand, design codes evolved over time in such a way that existing structures do not comply with today’s standards. In all these cases, the through-life management is an important tool to maintain the accessibility of existing structures with known reliability. In line with the new Model Code for Concrete Structures, which includes guidance for both – design of new structures and assessment of existing structures, the Task Group 3.3 focused on the compilation of a state-of-the-art guideline for the through-life management of existing concrete structures, including: Data acquisition by testing and monitoring techniques; Condition assessment for the evaluation of existing structures; Performance prediction using advanced methods; Decision-making procedures to perform a complete assessment of existing structure. The overall objective of the through-life management is the assessment of the current condition and the estimation of the remaining service life under consideration of all boundary conditions.zeige mehrzeige weniger

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  • 10_35789_fib_BULL_0109_Ch01.pdf
    eng

    Book chapter

  • 978-2-88394-172-4_Front_matter_and_imprint.pdf
    eng

    Front matter and imprint

  • 978-2-88394-172-4_Table_of_contents.pdf
    eng

    Table of contents

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Autor*innen:M. Bartolac, J. Bien, M. Górski, S. Keßler, Stefan KüttenbaumORCiD, M. Kuzawa, J. Ley, Stefan MaackORCiD, A. Mendler, P. Ryjáček, L. Santos, E. Verstrynge
Persönliche Herausgeber*innen:S. Keßler, M. P. Limongelli, E. Apostolidi
Dokumenttyp:Buchkapitel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Existing concrete structures life management, testing and structural health monitoring
Jahr der Erstveröffentlichung:2023
Organisationseinheit der BAM:8 Zerstörungsfreie Prüfung
8 Zerstörungsfreie Prüfung / 8.2 Zerstörungsfreie Prüfmethoden für das Bauwesen
Verlag:Fédération internationale du béton (fib)
Verlagsort:Lausanne
Jahrgang/Band:fib Bulletin 109
Erste Seite:16
Letzte Seite:38
DDC-Klassifikation:Naturwissenschaften und Mathematik / Chemie / Analytische Chemie
Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau
Freie Schlagwörter:Concrete; Life management; Non-destructive testing; State-of-the-art; Structural health monitoring
Themenfelder/Aktivitätsfelder der BAM:Chemie und Prozesstechnik
Infrastruktur
DOI:10.35789/fib.BULL.0109.Ch02
URL:https://doi.org/10.35789/fib.BULL.0109
ISSN:1562-3610
ISBN:978-2-88394-172-4
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:14.12.2023
Referierte Publikation:Nein
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