Non-destructive Evaluation, Structural Health Monitoring, Vibration Analysis and Maintenance of Bridges with Steel Elements (2nd Edition)

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: 30 November 2024 | Viewed by 2386

Special Issue Editor


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Guest Editor
Department of Civil and Environmental Engineering, College of Engineering and Computing, Florida International University, 10555 West Flagler Street, EC 3602, Miami, FL 33174, USA
Interests: bridge engineering; non-destructive evaluation of bridges; structural health monitoring; vibration analysis and mitigation; structural performance evaluation; field and laboratory testing; bridge rehabilitation and corrosion mitigation; analysis and modeling of masonry and R/C frames; fiber-reinforced polymer applications
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Special Issue Information

Dear Colleagues,

Bridges are critical links in surface transportation systems and are essential for providing reliable access during both ordinary and extraordinary times. It is essential that the onset of damages to a bridge is detected early and preventive maintenance is performed on time, long before the extent of the damage necessitates drastic actions such as closure and replacement of part or all of the bridge. The onset and progression of damage in bridges are not always visually detectable. There have been instances that hidden damage has caused catastrophic collapses, costing lives and money. Bridges with steel elements, especially those with distinct vulnerabilities, are among vivid examples of such cases. Corrosion is perhaps the most prominent cause of damage to steel elements. Fatigue under repetitive tensile loading is another major reason for damage. These become even more critical when fracture-critical elements and fatigue-prone details are included in the design. For some steel elements, vibration creates the potential for further damage. As the many bridge failures over the past few decades have shown, conventional and routine bridge monitoring is insufficient to effectively evaluate the safety, and that more effective methods for damage detection and structural monitoring are needed to ensure the health of these structures as they continue to age and to prevent catastrophic collapses.

This Special Issue will compile articles on a wide range of topics related to the existing and new non-destructive evaluation (NDE) methods, structural health monitoring (SHM), and damage detection techniques applicable to bridge steel elements and steel bridges. We encourage the submission of papers on topics related to damage detection and structural health monitoring using all varieties of methods, including but not limited to hands-on non-destructive testing (NDT), the use of non-contact or vision-based sensors and instrumentation, load testing, and vibration analysis. Maintenance approaches that use the results of NDE and SHM to devise preventive and preservation tactics for steel bridges and elements will also be considered for publication in this Issue. It is understood that the structural health monitoring and condition assessment have evolved significantly in recent years with the introduction of innovative sensors, data communication, and non-destructive evaluation. These methods have been augmented by the use of drones and robots for the rapid and efficient assessment of damages at small and large scale. Therefore, innovative approaches to the health monitoring and condition assessment of bridge steel elements are solicited for this Special Issue, along with new approaches to maintenance.

Dr. Armin Mehrabi
Guest Editor

Manuscript Submission Information

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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. Metals is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

  • bridges
  • steel bridges
  • steel elements
  • non-destructive evaluation
  • structural health monitoring
  • damage detection
  • vibration analysis
  • bridge maintenance
  • preventive maintenance

Published Papers (1 paper)

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Research

22 pages, 6992 KiB  
Article
Behavior and Performance of Reinforced Concrete Columns Subjected to Accelerated Corrosion
by Asif Hameed, Muhammad Faheem Ud Din Afzal, Ali Javed, Ali Murtaza Rasool, Mohsin Usman Qureshi, Armin B. Mehrabi and Imran Ashraf
Metals 2023, 13(5), 930; https://doi.org/10.3390/met13050930 - 10 May 2023
Cited by 2 | Viewed by 2109
Abstract
Steel reinforcement corrosion in concrete structures such as bridges, industrial plants, marine structures, and coastal buildings is a growing concern due to its impact on cost, safety, and serviceability. Corrosion leads to spalling, cracking, and reduced reinforcement diameter, which can compromise structural integrity. [...] Read more.
Steel reinforcement corrosion in concrete structures such as bridges, industrial plants, marine structures, and coastal buildings is a growing concern due to its impact on cost, safety, and serviceability. Corrosion leads to spalling, cracking, and reduced reinforcement diameter, which can compromise structural integrity. This study examines the behavior of concrete columns with corroded reinforcement in two phases. In the first phase, 72 columns of 150 × 150 mm cross-sectional dimensions and 300 mm length were cast and subjected to an accelerated corrosion technique. The study examined variables such as concrete cover, concrete strength, and corrosion exposure. The second phase involved studying the axial behavior of corroded columns concerning the effect of column length. Column specimens of 150 × 150 mm cross-sectional dimensions and lengths of 500 mm, 700 mm, and 900 mm were cast, corroded, and tested under axial compressive load. The study revealed that a 30 mm concrete cover offers 10% more protection against corrosion than a 20 mm cover. Continuous exposure to a corrosive environment reduces the load-carrying capacity by 50%, while columns with 28 MPa concrete strength can carry 4% more load. Longer columns are more susceptible to corrosion, leading to a significant reduction in load-carrying capacity and concrete cover damage. Therefore, maintaining adequate concrete cover, strength, and regular inspections are essential to address steel reinforcement corrosion and preserve structural integrity. Full article
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