Abstract
In the assessment of existing infrastructure performing only a desk study is often not sufficient to determine the structural reliability of a bridge or viaduct. For concrete structures gathering field data by performing a proof load test offers detailed information about the structural performance. However, the relation between the magnitude of the load and the structural reliability is not immediately clear. In the present study the challenges in determining the target load and the uncertainties that require attention are described. An approach is presented that addresses the time-dependent character of the structural reliability, the need for accurate stop-criteria, the knowledge level and spatial uncertainty. It is shown how both past trafic loads and a proof load test may contribute to the proven strength of a structure. The described methodology provides a starting point towards a flexible approach for proof load testing in which structure-speciic information and requirements are considered.
Original language | English |
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Title of host publication | Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability - Proceedings of the 11th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2022 |
Subtitle of host publication | Mini-symposium: [MS05] Assessment of existing infrastructure assisted by field data |
Editors | Joan-Ramon Casas, Dan M. Frangopol, Jose Turmo |
Pages | 467-475 |
Number of pages | 9 |
DOIs | |
Publication status | Published - 2022 |
Event | 11th International Conference on Bridge Maintenance, Safety and Management - Barcelona, Spain Duration: 11 Jul 2022 → 15 Jul 2022 Conference number: 11 |
Publication series
Name | Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability - Proceedings of the 11th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2022 |
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Conference
Conference | 11th International Conference on Bridge Maintenance, Safety and Management |
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Abbreviated title | IABMAS 2022 |
Country/Territory | Spain |
City | Barcelona |
Period | 11/07/22 → 15/07/22 |
Keywords
- Deterioration
- time-dependence
- reliability
- proof loading
- load testing
- existing structures