RT Conference Proceedings
T1 Preventive Fatigue Strengthening of Steel Structures with Bonded CFRP—Efficiency Demonstration on a Real Bridge
A1 Benzarti, Karim
A1 Chataigner, Sylvain
A1 Wahbeh, Mazen
A1 Boundouki, Rami
A1 Martin, Elena
A1 Sopena, Luis
A1 Zalbide, Maria
A1 Garcia-Sanchez, David
A1 Birtel, Veit
A1 Lehmann, Frank
A1 Gemignani, Gianluca
A2 Benmokrane, Brahim
A2 Mohamed, Khaled
A2 Farghaly, Ahmed
A2 Mohamed, Hamdy
AB An important objective of sustainable development applied to bridge infrastructure is to develop and deploy effective strengthening solutions, with a view to increasing the service life of existing structures. Steel bridges are prone to fatigue and their remaining service life can be evaluated after careful diagnosis of induced structural damages. However, it is generally difficult to assess the extend of damage caused by fatigue at an early stage before crack initiation. Besides, old structures are particularly vulnerable to fatigue as old steels exhibit a rather brittle behavior, but most design codes did not take into account fatigue effects before the 1970s. To address these issues, an assessment method and a preventive strengthening solution based on the use of adhesively bonded UHM (Ultra-High Modulus) CFRP (Carbon Fiber Reinforced Polymer) plates were developed and applied to an existing bridge for validation (Jarama bridge owned by the Community of Madrid in Spain). Strain measurement collected during load tests was analyzed to verify that the reinforcement works according to theoretical expectations, and different parameters were studied such as the influence of low traffic during CFRP installation. In the end, this field demonstration provided clear evidence of the efficiency of the developed solution.
PB Springer Science and Business Media Deutschland GmbH
SN 9783031096310
SN 2366-2557
YR 2023
FD 2023
LK https://hdl.handle.net/11556/1612
UL https://hdl.handle.net/11556/1612
LA eng
NO Benzarti , K , Chataigner , S , Wahbeh , M , Boundouki , R , Martin , E , Sopena , L , Zalbide , M , Garcia-Sanchez , D , Birtel , V , Lehmann , F & Gemignani , G 2023 , Preventive Fatigue Strengthening of Steel Structures with Bonded CFRP—Efficiency Demonstration on a Real Bridge . in B Benmokrane , K Mohamed , A Farghaly & H Mohamed (eds) , 8th International Conference on Advanced Composite Materials in Bridges and Structures - Volume 1 . Lecture Notes in Civil Engineering , vol. 278 , Springer Science and Business Media Deutschland GmbH , pp. 459-467 , 8th International Conference on Advanced Composite Materials in Bridges and Structures, ACMBS 2021 , Sherbrooke , Canada , 5/08/21 . https://doi.org/10.1007/978-3-031-09632-7_53
NO conference
NO Publisher Copyright: © 2023, Canadian Society for Civil Engineering.
NO Acknowledgements Authors would like to thank Funding Partners of ERA-NET Plus Infravation and the European Commission (grant n°31109806.0008), and are also grateful to Epsilon Composite for their support.
DS TECNALIA Publications
RD 26 jul 2024