مؤتمر
Modelling an existing steel railway bridge for residual service life assessment
| العنوان: | Modelling an existing steel railway bridge for residual service life assessment |
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| المؤلفون: | Todesco P., Domaneschi M., Rannquist A., Fraseth G. T. |
| المساهمون: | Todesco, P., Domaneschi, M., Rannquist, A., Fraseth, G. T. |
| بيانات النشر: | CRC Press/Balkema |
| سنة النشر: | 2023 |
| المجموعة: | PORTO@iris (Publications Open Repository TOrino - Politecnico di Torino) |
| الوصف: | Railway bridges are subjected to repetitive high stress due to the live loads acting on them, and they have to be examined to point out a possible fatigue failure. In this respect, real time structural health monitoring may not always be available for maintenance purposes and for reporting progressive damage conditions up to failure. The aim of the study is to develop an analytical methodology to estimate the condition of an existing steel railway bridge without monitoring systems, in order to define maintenance strategies and avoid the sudden interruption of the regular service with considerable economic losses. A simple finite element model is developed and employed as a simulation tool for numerical analyses. Moreover, a more accurate model is also prepared in parallel. In the absence of monitoring data on the real structure, a comparison between the previously developed models and others coming from independent studies is also performed and a model updating procedure is implemented including uncertainties. The updated models are employed to evaluate the capacity losses of the bridge during its service period. An influence line analysis is conducted in the most critical sections, while Miner's cumulative damage law and S- N curves are used to assess the damage occurred. |
| نوع الوثيقة: | conference object |
| اللغة: | English |
| العلاقة: | info:eu-repo/semantics/altIdentifier/isbn/9781003322641; ispartofbook:Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability - Proceedings of the 11th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2022; 11th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2022; firstpage:2153; lastpage:2161; numberofpages:9; https://hdl.handle.net/11583/2987071Test; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85186112100 |
| DOI: | 10.1201/9781003322641-267 |
| الإتاحة: | https://doi.org/10.1201/9781003322641-267Test https://hdl.handle.net/11583/2987071Test |
| رقم الانضمام: | edsbas.995E0FAF |
| قاعدة البيانات: | BASE |
| DOI: | 10.1201/9781003322641-267 |
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