Special Issue "Distributed Optical Fiber Sensors for Concrete Structure Monitoring"
Deadline for manuscript submissions: closed (15 August 2023) | Viewed by 43710
Interests: durability of FRP composites and bonded assemblies used in construction; bio-based composites; nanoparticle-reinforced polymers and adhesives; quantitative and non-destructive inspection methods applied to bonded joints; SHM of concrete structures with fiber-optic sensors
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Interests: externally bonded Fiber‐Reinforced Polymer (FRP) for the repair; strengthening, and retrofitting of existing reinforced concrete (RC) structures; FRP rebars for the strengthening of RC structures; optical fiber sensors for the SHM of RC structures
Special Issues, Collections and Topics in MDPI journals
Structural health monitoring (SHM) is a crucial process in the maintenance strategy for concrete infrastructures, as it enables real-time diagnosis of the integrity and the state of wear/damage of the structure. In this context, truly Distributed Fiber-Optic Sensor (DFOS) systems paired with an optoelectronic interrogator offer the possibility to record various measurands at thousands of locations along the fiber sensor, over long distances, and with a user-customizable spatial range down to the centimeter scale. This emerging technology is very promising for the SHM of large reinforced concrete structures, as it can provide both local/global information on material and structural characteristics like strain, temperature, sound, and vibration. Such information can then be analyzed to detect, localize, and quantify structural defects and degradation related to concrete pathologies, such as stress concentrations, crack onset and development, moisture, leakages, corrosion of steel rebars, creep, and shrinkage, and swelling pathologies, such as alkali–aggregate reactions and sulfate attacks.
Nevertheless, extensive research efforts are needed to improve the monitoring performance of DFOSs, methods for assessing the reliability/accuracy of DFOS measurements with respect to the effective state of the host structure, the durability of DFOSs under service conditions (especially when embedded in an alkaline concrete medium or directly exposed to the outdoor environment), and post-processing methods for converting the huge quantity of data into relevant indicators for users and maintenance operators.
For this Special Issue, we invite the submission of original research articles and reviews dedicated to recent developments in and research on experimental, practical, and theoretical aspects of the SHM of concrete structures using DOFS instrumentation. Potential topics include, but are not limited to:
- recent progress in distributed fiber-optic sensors (DFOS) in the field of civil engineering;
- structural health monitoring;
- distributed measurements based on Raman, Rayleigh, or Brillouin scattering;
- analysis of the strain response of DFOS;
- crack detection and quantitative evaluation of crack openings in concrete structures with DFOS;
- monitoring of concrete pathologies using DOFS;
- temperature measurements based on DFOS;
- decoupling of strain and temperature effects on the DFOS response;
- distributed acoustic sensors (DAS);
- corrosion monitoring sensors;
- distributed moisture sensing;
- coating and sensor packaging;
- sensing tapes;
- performance of DOFSs bonded to the surface of/embedded in concrete structures;
- durability under service conditions;
- aging behavior of DFOSs;
- reliability/uncertainty assessment of DOFS instrumentation;
- post-processing techniques for event detection and data interpretation based on automated signal analysis or Artificial Intelligence (AI) methods; and
- case studies and applications of DOFS instrumentation in the field.
Dr. Karim Benzarti
Dr. Marc Quiertant
Dr. Jean-Marie Hénault
Manuscript Submission Information
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- truly distributed fiber-optic sensors (DFOS);
- structural health monitoring (SHM);
- Rayleigh, Brillouin, and Raman scattering;
- concrete structures;
- crack monitoring;
- reliability/uncertainty assessment;
- durability aspects;
- post-processing of collected data.