Novel method for an optimised calculation of modal analysis of girder bridge decks
Abstract A correct modal analysis of girder bridge decks requires a correct characterisation of the deformation of their cross-section, governed by the longitudinal bending of the girders and the transverse bending of the slab. This paper presents a novel method that allows the modal analysis of gir...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2022-07-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-022-16606-4 |
| _version_ | 1828329348168417280 |
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| author | Alvaro Gaute-Alonso David Garcia-Sanchez Óscar Ramón Ramos-Gutierrez |
| author_facet | Alvaro Gaute-Alonso David Garcia-Sanchez Óscar Ramón Ramos-Gutierrez |
| author_sort | Alvaro Gaute-Alonso |
| collection | DOAJ |
| description | Abstract A correct modal analysis of girder bridge decks requires a correct characterisation of the deformation of their cross-section, governed by the longitudinal bending of the girders and the transverse bending of the slab. This paper presents a novel method that allows the modal analysis of girder bridge decks by applying a matrix formulation that reduces the structural problem to one degree of freedom for each girder: the deflection at the centre of the beam span. A parametric study is presented that analyses the structural response of 64 girder bridge decks. The study compares the dynamic structural response obtained by the proposed method with that obtained by traditional grillage calculation methods. The method is experimentally contrasted by a dynamic load test of a full-scale girder bridge. As a result of the analysis, the proposed method reflects adequate convergence with the experimental dynamic structural response. The use of the proposed novel analysis method contributes to the intelligent modelling process for the analysis of the dynamic behaviour of bridges opening the way to easily feed a Digital Twin accelerating the demands of the Decision Support System in real time. |
| first_indexed | 2024-04-13T20:23:08Z |
| format | Article |
| id | doaj.art-9b1ddfcef42041ddbb68d7b7b1ada266 |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-04-13T20:23:08Z |
| publishDate | 2022-07-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-9b1ddfcef42041ddbb68d7b7b1ada2662022-12-22T02:31:29ZengNature PortfolioScientific Reports2045-23222022-07-0112111810.1038/s41598-022-16606-4Novel method for an optimised calculation of modal analysis of girder bridge decksAlvaro Gaute-Alonso0David Garcia-Sanchez1Óscar Ramón Ramos-Gutierrez2Grupo de Instrumentación y Análisis Dinámico de Estructuras (GiaDe), University of CantabriaTECNALIA Basque Research and Technology Alliance (BRTA)Department of Structural and Mechanical Engineering, University of CantabriaAbstract A correct modal analysis of girder bridge decks requires a correct characterisation of the deformation of their cross-section, governed by the longitudinal bending of the girders and the transverse bending of the slab. This paper presents a novel method that allows the modal analysis of girder bridge decks by applying a matrix formulation that reduces the structural problem to one degree of freedom for each girder: the deflection at the centre of the beam span. A parametric study is presented that analyses the structural response of 64 girder bridge decks. The study compares the dynamic structural response obtained by the proposed method with that obtained by traditional grillage calculation methods. The method is experimentally contrasted by a dynamic load test of a full-scale girder bridge. As a result of the analysis, the proposed method reflects adequate convergence with the experimental dynamic structural response. The use of the proposed novel analysis method contributes to the intelligent modelling process for the analysis of the dynamic behaviour of bridges opening the way to easily feed a Digital Twin accelerating the demands of the Decision Support System in real time.https://doi.org/10.1038/s41598-022-16606-4 |
| spellingShingle | Alvaro Gaute-Alonso David Garcia-Sanchez Óscar Ramón Ramos-Gutierrez Novel method for an optimised calculation of modal analysis of girder bridge decks Scientific Reports |
| title | Novel method for an optimised calculation of modal analysis of girder bridge decks |
| title_full | Novel method for an optimised calculation of modal analysis of girder bridge decks |
| title_fullStr | Novel method for an optimised calculation of modal analysis of girder bridge decks |
| title_full_unstemmed | Novel method for an optimised calculation of modal analysis of girder bridge decks |
| title_short | Novel method for an optimised calculation of modal analysis of girder bridge decks |
| title_sort | novel method for an optimised calculation of modal analysis of girder bridge decks |
| url | https://doi.org/10.1038/s41598-022-16606-4 |
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