Computer-Aided Structural Diagnosis of Bridges Using Combinations of Static and Dynamic Tests: A Preliminary Investigation

cris.virtual.author-orcid0000-0002-9588-2514
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cris.virtual.author-orcid0000-0003-0000-6157
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cris.virtualsource.author-orcidae71bc22-fde2-40b2-878c-e07e0e5aad5a
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cris.virtualsource.author-orcid5e10caab-6ff8-471e-83cf-04cdbe8885b6
cris.virtualsource.author-orcid3cb557fb-6eb1-4bd1-93f9-752df68b511c
dc.abstract.enReinforced concrete bridges deteriorate over time, therefore displaying a regular need for structural assessment and diagnosis. The reasons for their deterioration are often the following: (a) intensive use, (b) very dynamic loads acting for long periods of time, (c) and sometimes chemical processes that damage the concrete or lead to corrosion of the reinforcement. Assuming the hypothesis that both the stiffness of the material and its density change over time, these parameters shall be identified, preferably in a non-destructive way, in different locations of the investigated structure. Such task is expected to be possibly exerted by means of one or more tests, which must not be laborious or cause the bridge to be out of service for a long time. In this paper, an attempt is made to prepare a procedure based on dynamic tests supplemented with several static measurements, in order to identify the largest number of parameters in the shortest possible time, within an inverse analysis methodology. The proposed procedure employs a popular algorithm for minimizing the objective function, i.e., trust region in the least square framework, as part of the inverse analysis, where the difference between measurements made in situ and those calculated numerically is minimized. As a result of the work performed, optimal sets of measurements and test configurations are proposed, allowing the searched parameters to be found in a reliable manner, with the greatest possible precision.
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliation.instituteKatedra Inżynierii Biosystemów
dc.contributor.authorGarbowski, Tomasz
dc.contributor.authorCornaggia, Aram
dc.contributor.authorZaborowicz, Maciej
dc.contributor.authorSowa, Sławomir
dc.date.access2025-07-29
dc.date.accessioned2025-10-28T09:38:39Z
dc.date.available2025-10-28T09:38:39Z
dc.date.copyright2023-12-05
dc.date.issued2023
dc.description.abstract<jats:p>Reinforced concrete bridges deteriorate over time, therefore displaying a regular need for structural assessment and diagnosis. The reasons for their deterioration are often the following: (a) intensive use, (b) very dynamic loads acting for long periods of time, (c) and sometimes chemical processes that damage the concrete or lead to corrosion of the reinforcement. Assuming the hypothesis that both the stiffness of the material and its density change over time, these parameters shall be identified, preferably in a non-destructive way, in different locations of the investigated structure. Such task is expected to be possibly exerted by means of one or more tests, which must not be laborious or cause the bridge to be out of service for a long time. In this paper, an attempt is made to prepare a procedure based on dynamic tests supplemented with several static measurements, in order to identify the largest number of parameters in the shortest possible time, within an inverse analysis methodology. The proposed procedure employs a popular algorithm for minimizing the objective function, i.e., trust region in the least square framework, as part of the inverse analysis, where the difference between measurements made in situ and those calculated numerically is minimized. As a result of the work performed, optimal sets of measurements and test configurations are proposed, allowing the searched parameters to be found in a reliable manner, with the greatest possible precision.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if3,1
dc.description.number24
dc.description.points140
dc.description.versionfinal_published
dc.description.volume16
dc.identifier.doi10.3390/ma16247512
dc.identifier.issn1996-1944
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/5528
dc.identifier.weblinkhttps://www.mdpi.com/1996-1944/16/24/7512
dc.languageen
dc.relation.ispartofMaterials
dc.relation.pagesart. 7512
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enconcrete bridge
dc.subject.enstructural diagnosis
dc.subject.eninverse analysis
dc.subject.enlocal minimization algorithm
dc.subject.enmultistart optimization procedure
dc.subject.entrust region algorithm
dc.subject.endynamic modal analysis
dc.subject.enfinite element method
dc.titleComputer-Aided Structural Diagnosis of Bridges Using Combinations of Static and Dynamic Tests: A Preliminary Investigation
dc.title.volumeThis article belongs to the Special Issue Non-Destructive Testing (NDT) of Advanced Composites and Structures
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue24
oaire.citation.volume16