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Applied Sciences
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Recent Challenges and Innovations in Long-Span Bridges
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Recent Challenges and Innovations in Long-Span Bridges

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 3542

Special Issue Editors

Dr. Bin Sun

E-Mail Website
Guest Editor
Department of Bridge Engineering, Tongji University, Shanghai 200092, China
Interests: long-span bridges; application of UHPC in bridge engineering
Prof. Dr. Rucheng Xiao

E-Mail Website
Guest Editor
Department of Bridge Engineering, Tongji University, Shanghai 200092, China
Interests: bridge engineering; bridge structural systems; bridge design theory and optimization; bridge management systems
Dr. Chaolin Song

E-Mail Website
Guest Editor
Department of Bridge Engineering, Tongji University, Shanghai 200092, China
Interests: reliability-assisted bridge design; uncertainty quantification with machine learning; value analysis and decision making

Special Issue Information

Dear Colleagues,

In recent decades, many long-span bridges have been constructed to cross rivers, canyons, and other natural or manmade obstacles, forming an important part of modern transportation networks. Bridge engineers are confronted with many challenges in the design, construction, and maintenance of long-span bridges. Technological developments and innovations provide a fundamental approach to tackle these challenges. This Special Issue aims to collect papers regarding recent developments and innovations in long-span bridges. Potential topics include, but are not limited to, the design and construction practices of long-span bridges; applications of new materials in bridge engineering; innovative bridge structures and systems; machine-learning-enhanced bridge design and monitoring; and the risk, reliability and resilience analysis of long-span bridges.

Dr. Bin Sun
Prof. Dr. Rucheng Xiao
Dr. Chaolin Song
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • long-span bridges
  • bridge design and optimization
  • bridge construction
  • bridge maintenance
  • structural health monitoring
  • reliability and resilience

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Published Papers (3 papers)

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Editorial

Jump to: Research

3 pages, 178 KiB  
Editorial
Special Issue on Recent Challenges and Innovations in Long-Span Bridges
by Bin Sun, Rucheng Xiao and Chaolin Song
Appl. Sci. 2023, 13(17), 9694; https://doi.org/10.3390/app13179694 - 28 Aug 2023
Viewed by 1268
Abstract
Bridges are typical structures that provide connections between destinations and therefore achieve transportation functionality [...] Full article
(This article belongs to the Special Issue Recent Challenges and Innovations in Long-Span Bridges)

Research

Jump to: Editorial

26 pages, 12310 KiB  
Article
Assessment of the Aerodynamic and Aeroelastic Performance of Long-Span Twin-Box Bridges Based upon Multidimensional Surrogate Models
by Rameez Badhurshah, Antonio J. Álvarez, Félix Nieto, José Á. Jurado and Santiago Hernández
Appl. Sci. 2024, 14(13), 5531; https://doi.org/10.3390/app14135531 - 26 Jun 2024
Viewed by 938
Abstract
Twin-box decks are being extensively used in the design of long-span bridges due to their superior flutter performance. Although the significant role played by the gap distance has been previously addressed in the frame of experimental studies, there is still a lack of [...] Read more.
Twin-box decks are being extensively used in the design of long-span bridges due to their superior flutter performance. Although the significant role played by the gap distance has been previously addressed in the frame of experimental studies, there is still a lack of understanding about the complex interplay between box geometry, gap distance and the aerodynamic force coefficients and flutter derivatives. In the present work, firstly, a surrogate model is developed, considering three design inputs for the geometry of the deck along with the angle of attack, providing the force coefficients as output. Afterwards, the work is then extended by developing another surrogate model, considering as inputs the reduced velocity and the same geometric variables of the deck, with the outputs being the flutter derivatives. The methodology, comprising the selection of the design domain, the definition of the samples, the CFD-based evaluation of the samples' response and the construction of the surrogate through the application of the neural network-based radial basis method, is reviewed. The surrogate models enable a quantitative description of the impact caused in the force coefficients and the flutter derivatives by modifications in the geometry of the twin-box deck. It has been found that flutter derivatives H1*, H2* and A2* are strongly dependent on the gap distance. Full article
(This article belongs to the Special Issue Recent Challenges and Innovations in Long-Span Bridges)
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16 pages, 733 KiB  
Article
Robustness Evaluation of Aerodynamic Flutter Stability and Aerostatic Torsional Stability of Long-Span Suspension Bridges
by Qing Xia and Yaojun Ge
Appl. Sci. 2023, 13(24), 13136; https://doi.org/10.3390/app132413136 - 10 Dec 2023
Viewed by 876
Abstract
Structural robustness is defined by the international engineering community as the capabilities of structural systems that enable them to survive unforeseen or unusual circumstances. In order to highlight the unforeseen and unusual characteristics of wind hazards, this study introduces the concept of structural [...] Read more.
Structural robustness is defined by the international engineering community as the capabilities of structural systems that enable them to survive unforeseen or unusual circumstances. In order to highlight the unforeseen and unusual characteristics of wind hazards, this study introduces the concept of structural robustness into the wind-resistant design and evaluation of bridges and proposes the robustness evaluation of aerodynamic flutter and aerostatic torsional stability of long-span bridges. Furthermore, the return period of the design wind speed that a bridge can resist is used to represent wind-resistant robustness. Aiming at the problem of aerodynamic and aerostatic stability, the analysis methods of aerodynamic flutter stability robustness and aerostatic torsional stability robustness of long-span suspension bridges are respectively established. Based on the established methods of aerodynamic flutter stability and aerostatic torsional stability robustness evaluation, robustness analysis is carried out on eight completed long-span suspension bridges and two long-span suspension bridges to be built. The evaluation method proposed in this study makes it possible to measure the ability of bridge structures to resist multiple disasters using the same index. Full article
(This article belongs to the Special Issue Recent Challenges and Innovations in Long-Span Bridges)
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