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Sensor-Based Structural Health Monitoring of Civil Infrastructure

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Environmental Sensing".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 7048

Special Issue Editor


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Guest Editor
College of Civil Engineering, Huaqiao University, Xiamen 361021, China
Interests: multiscale simulation on RC structures; multiphysics simulation; FEM/XFEM/SEM; soft computation and artificial intelligence; NDT and SHM for engineering structures
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Special Issue Information

Dear Colleagues,

Civil infrastructure, including bridges, buildings, tunnels, power plants, and dams, plays a crucial role in our lives. It is essential to properly maintain and monitor these structures to accurately assess their age, usability, and identify potential concerns. The improper functioning and negligent actions of humans have led to significant economic losses and loss of human lives. In recent years, the research community has shown a growing interest in developing effective methods for structural health monitoring (SHM). A typical SHM system consists of a network of sensors that measure various parameters related to the structure's condition and its surrounding environment, such as temperature, stress, delamination, strain, vibration, and humidity. To ensure reliable in situ structural health monitoring, it is crucial to have accurate, durable, responsive, and long-lasting sensors. Although numerous sensor types have been developed and demonstrated, there is an increasing need for innovative, high-performance in situ sensors.

We extend an invitation to researchers to submit original research articles and review articles that will contribute to the advancement of sensor technologies for structural health monitoring (SHM). Potential topics encompass, but are not restricted to, the following:

  • Advanced sensing technologies for structural damage detection;
  • Artificial intelligence, signal processing and sensor fusion for civil infrastructure monitoring;
  • Sensor materials, processing, and fabrication;
  • Wired and wireless sensor networks;
  • Vibration-based system identification and modal analysis;
  • Deep learning for structural condition assessment;
  • Other innovative technologies for sensor application in structural health monitoring.

Prof. Dr. Bin Xu
Guest Editor

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Keywords

  • sensors
  • structural health monitoring
  • civil infrastructure
  • sensor materials
  • sensor networks

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Published Papers (4 papers)

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Research

30 pages, 3954 KiB  
Article
Investigation of the Robust Integration of Distributed Fibre Optic Sensors in Structural Concrete Components
by Johannes Wimmer and Thomas Braml
Sensors 2024, 24(18), 6122; https://doi.org/10.3390/s24186122 - 22 Sep 2024
Viewed by 1367
Abstract
In recent times, the value of data has grown. This tendency is also observeable in the construction industry, where research and digitalisation are increasingly oriented towards the collection, processing and analysis of different types of data. In addition to planning data, measurement data [...] Read more.
In recent times, the value of data has grown. This tendency is also observeable in the construction industry, where research and digitalisation are increasingly oriented towards the collection, processing and analysis of different types of data. In addition to planning data, measurement data is a main focus. fibre optic measurements offer a highly precise and comprehensive approach to data collection. It is, however, important to note that this technology is still in research regarding concrete structures. This paper presents two methods of integrating filigree sensors into concrete structures. The first approach entails wrapping a fibre around a tendon duct and analysing the installation and associated measurements. The second method involves bonding polyimide and acrylate-coated fibres with 2K epoxy and cyanoacrylate in the grooves of rebars, exposing them to chemical environments. The resulting measurement data is evaluated qualitatively and quantitatively to ascertain its resilience to environmental factors. These developed criteria are consolidated in a decision matrix. Fibre-adhesive combinations necessitate protection from chemical and mechanical influences. The limitations of the solutions are pointed out, and alternative options are proposed. Full article
(This article belongs to the Special Issue Sensor-Based Structural Health Monitoring of Civil Infrastructure)
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23 pages, 21177 KiB  
Article
Monitoring Surface Deformations in a Fossil Landslide Zone and Identifying Potential Failure Mechanisms: A Case Study of Gümüşhane State Hospital
by Selçuk Alemdag, Sefa Yalvaç, Olga Bjelotomić Oršulić, Osman Kara, Halil İbrahim Zeybek, Hasan Tahsin Bostanci and Danko Markovinović
Sensors 2024, 24(15), 4995; https://doi.org/10.3390/s24154995 - 1 Aug 2024
Cited by 1 | Viewed by 1159
Abstract
The escalating occurrence of landslides has drawn increasing attention from the scientific community, primarily driven by a combination of natural phenomena such as unpredictable seismic events, intensified precipitation, and rapid snowmelt attributable to climate fluctuations, compounded by inadequacies in engineering practices during site [...] Read more.
The escalating occurrence of landslides has drawn increasing attention from the scientific community, primarily driven by a combination of natural phenomena such as unpredictable seismic events, intensified precipitation, and rapid snowmelt attributable to climate fluctuations, compounded by inadequacies in engineering practices during site selection. Within the scope of this investigation, contemporary geodetic techniques using the GNSS were employed to monitor structural and surface deformations in and around a hospital edifice situated within an ancient fossil landslide region. Additionally, inclinometer measurements facilitated the determination of slip circle parameters. A subsequent analysis integrated these datasets to scrutinize both the hospital structure and its surrounding slopes. In addition to the finite element method, four different limit equilibrium methods (Bishop, GLE–Morgenstern–Price, Spencer, and Janbu) were used in the evaluation of stability. Since the safety number determined in all analyses was <1, it was determined that the slope containing the hospital building was unstable. The movement has occurred again due to the additional load created by the hospital building built on the currently stable slope, the effect of surface and groundwater, and the improperly designed road route. As a result of geodetic monitoring, it was determined that the sliding speed on the surface was in the N-E direction and was approximately 3 cm, and this situation almost coincided with inclinometer measurements. Full article
(This article belongs to the Special Issue Sensor-Based Structural Health Monitoring of Civil Infrastructure)
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20 pages, 12544 KiB  
Article
Sensor-Based Structural Health Monitoring of Asphalt Pavements with Semi-Rigid Bases Combining Accelerated Pavement Testing and a Falling Weight Deflectometer Test
by Zhen Liu, Bingyan Cui, Qifeng Yang and Xingyu Gu
Sensors 2024, 24(3), 994; https://doi.org/10.3390/s24030994 - 3 Feb 2024
Cited by 20 | Viewed by 2307
Abstract
The Structural Health Monitoring (SHM) of pavement infrastructures holds paramount significance in the assessment and prognostication of the remaining service life of roadways. In response to this imperative, a methodology for surveilling the surface and internal mechanical responses of pavements was devised through [...] Read more.
The Structural Health Monitoring (SHM) of pavement infrastructures holds paramount significance in the assessment and prognostication of the remaining service life of roadways. In response to this imperative, a methodology for surveilling the surface and internal mechanical responses of pavements was devised through the amalgamation of Accelerated Pavement Testing (APT) and Falling Weight Deflectometer (FWD) examinations. An experimental road segment, characterized by a conventional asphalt pavement structure with semi-rigid bases, was meticulously established in Jiangsu, China. Considering nine distinct influencing factors, including loading speed, loading weight, and temperature, innovative buried and layout configurations for Resistive Sensors and Fiber-optic Bragg Grating (FBG) sensors were devised. These configurations facilitated the comprehensive assessment of stress and strain within the road structure across diverse APT conditions. The methodology encompassed the formulation of response baselines, the conversion of electrical signals to stress and strain signals, and the proposition of a signal processing approach involving partial filtering and noise reduction. In experimental findings, the asphalt bottom layer was observed to undergo alternate tensile strains under dynamic loads (the peak strain was ten με). Simultaneously, the horizontal transverse sensor exhibited compressive strains peaking at 66.5 με. The horizontal longitudinal strain within the base and subbase ranged between 3 and 5 με, with the base registering a higher strain value than the subbase. When subjected to FWD, the sensor indicated a diminishing peak pulse signal, with the most pronounced peak response occurring when the load plate was situated atop the sensor. In summary, a comprehensive suite of monitoring schemes for road structures has been formulated, delineating guidelines for the deployment of road sensors and facilitating sustained performance observation over extended durations. Full article
(This article belongs to the Special Issue Sensor-Based Structural Health Monitoring of Civil Infrastructure)
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19 pages, 21978 KiB  
Communication
Three-Dimensional Reconstruction and Deformation Identification of Slope Models Based on Structured Light Method
by Zhijian Chen, Changxing Zhang, Zhiyi Tang, Kun Fang and Wei Xu
Sensors 2024, 24(3), 794; https://doi.org/10.3390/s24030794 - 25 Jan 2024
Cited by 2 | Viewed by 1634
Abstract
In this study, we propose a meticulous method for the three-dimensional modeling of slope models using structured light, a swift and cost-effective technique. Our approach aims to enhance the understanding of slope behavior during landslides by capturing and analyzing surface deformations. The methodology [...] Read more.
In this study, we propose a meticulous method for the three-dimensional modeling of slope models using structured light, a swift and cost-effective technique. Our approach aims to enhance the understanding of slope behavior during landslides by capturing and analyzing surface deformations. The methodology involves the initial capture of images at various stages of landslides, followed by the application of the structured light method for precise three-dimensional reconstructions at each stage. The system’s low-cost nature and operational convenience make it accessible for widespread use. Subsequently, a comparative analysis is conducted to identify regions susceptible to severe landslide disasters, providing valuable insights for risk assessment. Our findings underscore the efficacy of this system in facilitating a qualitative analysis of landslide-prone areas, offering a swift and cost-efficient solution for the three-dimensional reconstruction of slope models. Full article
(This article belongs to the Special Issue Sensor-Based Structural Health Monitoring of Civil Infrastructure)
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