Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/87011
Título: | Railway bridge geometry assessment supported by cutting-edge reality capture technologies and 3D as-designed models |
Autor(es): | Cabral, Rafael Oliveira, Rogério Ribeiro, Diogo Rakoczy, Anna M. Santos, Ricardo Azenha, Miguel Correia, José |
Palavras-chave: | Reality capture Railway bridge LiDAR Drone Photogrammetry Deviation |
Data: | 20-Jul-2023 |
Editora: | Multidisciplinary Digital Publishing Institute (MDPI) |
Revista: | Infrastructures |
Citação: | Cabral, R.; Oliveira, R.; Ribeiro, D.; Rakoczy, A.M.; Santos, R.; Azenha, M.; Correia, J. Railway Bridge Geometry Assessment Supported by Cutting-Edge Reality Capture Technologies and 3D As-Designed Models. Infrastructures 2023, 8, 114. https://doi.org/10.3390/infrastructures8070114 |
Resumo(s): | Documentation of structural visual inspections is necessary for its monitoring, maintenance, and decision about its rehabilitation, and structural strengthening. In recent times, close-range photogrammetry (CRP) based on unmanned aerial vehicles (UAVs) and terrestrial laser scanners (TLS) have greatly improved the survey phase. These technologies can be used independently or in combination to provide a 3D as-is image-based model of the railway bridge. In this study, TLS captured the side and bottom sections of the deck, while the CRP-based UAV captured the side and top sections of the deck, and the track. The combination of post-processing techniques enabled the merging of TLS and CRP models, resulting in the creation of an accurate 3D representation of the complete railway bridge deck. Additionally, a 3D as-designed model was developed based on the design plans of the bridge. The as-designed model is compared to the as-is model through a 3D digital registration. The comparison allows the detection of dimensional deviation and surface alignments. The results reveal slight deviations in the structural dimension with a global average value of 9 mm. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/87011 |
DOI: | 10.3390/infrastructures8070114 |
e-ISSN: | 2412-3811 |
Versão da editora: | https://www.mdpi.com/2412-3811/8/7/114 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | ISISE - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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infrastructures-08-00114.pdf | 8,61 MB | Adobe PDF | Ver/Abrir |
Este trabalho está licenciado sob uma Licença Creative Commons