PSI - Issue 64

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ScienceDirect Structural Integrity Procedia 00 (2023) 000 – 000 Structural Integrity Procedia 00 (2023) 000 – 000 Available online at www.sciencedirect.com Available online at www.sciencedirect.com ScienceDirect Available online at www.sciencedirect.com ScienceDirect

www.elsevier.com/locate/procedia www.elsevier.com/locate/procedia

Procedia Structural Integrity 64 (2024) 1232–1239

SMAR 2024 – 7th International Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures Advances of Digital Twins in Bridge Structures Maintenance Chongjie Kang*, Maria Walker, Steffen Marx Institute of Concrete Structures, Technische Universität Dresden, 01219 Dresden, Germany Abstract The conception and development of digital twins (DT) are increasingly investigated within the civil engineering sector. They exhibit significant potential in nearly all phases of a structure, including design, construction, operation, and maintenance. However, the precise function and implementation of DT lack a clear definition and continue to be the subject of research. This work investigates the implementation and latest developments of DT concerning the maintenance of bridge construction. To achieve this, we first conduct a systematic literature data curation of papers published within the last eight years, from 2016 to 2024, related to DT in the maintenance of civil engineering structures. These papers have been selected based on a co-occurrence analysis of keywords. As a result, we found 74 papers. Afterwards, with the focus on the digital entity of the bridge DT, we summarize and analyze the concepts, methods, and application cases of 10 selected goal-oriented papers. Then, the application of DT on the Nibelungen Bridge Worms in Germany is introduced as a case study. Finally, we provide a discussion on the implementation of DT in the maintenance of civil engineering structures. © 2024 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of SMAR 2024 Organizers Keywords: Exisiting bridges; Digital twin, Maintenance, Nibelungen Bridge Worms 1. Introduction Bridges are essential components of infrastructure, responsible for continuous transportation and ensuring safety. However, the deterioration of bridges is rapidly increasing worldwide, resulting in various maintenance concerns, according to Jeon et al. (2024). In Germany, more than 50% of the bridges area on the Federal Highways were older than 30 years, and more than 12% of all bridges area were in inadequate structural condition according to the Federal SMAR 2024 – 7th International Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures Advances of Digital Twins in Bridge Structures Maintenance Chongjie Kang*, Maria Walker, Steffen Marx Institute of Concrete Structures, Technische Universität Dresden, 01219 Dresden, Germany Abstract The conception and development of digital twins (DT) are increasingly investigated within the civil engineering sector. They exhibit significant potential in nearly all phases of a structure, including design, construction, operation, and maintenance. However, the precise function and implementation of DT lack a clear definition and continue to be the subject of research. This work investigates the implementation and latest developments of DT concerning the maintenance of bridge construction. To achieve this, we first conduct a systematic literature data curation of papers published within the last eight years, from 2016 to 2024, related to DT in the maintenance of civil engineering structures. These papers have been selected based on a co-occurrence analysis of keywords. As a result, we found 74 papers. Afterwards, with the focus on the digital entity of the bridge DT, we summarize and analyze the concepts, methods, and application cases of 10 selected goal-oriented papers. Then, the application of DT on the Nibelungen Bridge Worms in Germany is introduced as a case study. Finally, we provide a discussion on the implementation of DT in the maintenance of civil engineering structures. © 2024 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of SMAR 2024 Organizers Keywords: Exisiting bridges; Digital twin, Maintenance, Nibelungen Bridge Worms 1. Introduction Bridges are essential components of infrastructure, responsible for continuous transportation and ensuring safety. However, the deterioration of bridges is rapidly increasing worldwide, resulting in various maintenance concerns, according to Jeon et al. (2024). In Germany, more than 50% of the bridges area on the Federal Highways were older than 30 years, and more than 12% of all bridges area were in inadequate structural condition according to the Federal © 2024 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of SMAR 2024 Organizers

* Corresponding author. Tel.: +49 351 463-37305; fax: +49 351 463-37289. E-mail address: chongjie.kang@tu-dresden.de * Corresponding author. Tel.: +49 351 463-37305; fax: +49 351 463-37289. E-mail address: chongjie.kang@tu-dresden.de

2452-3216 © 2024 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of SMAR 2024 Organizers 2452-3216 © 2024 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of SMAR 2024 Organizers

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