Now showing items 1-18 of 18

  • Application of distributed optical fiber sensors for the health monitoring of two real structures in Barcelona 

    Barrias, Antonio Jose de Sousa; Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (2018-07)
    Article
    Open Access
    The versatility and ease of installation of Distributed Optical Fibre Sensors (DOFS) compared with traditional monitoring systems are important characteristics to consider when facing the Structural Health Monitoring (SHM) ...
  • Application study of embedded Rayleigh based Distributed Optical Fiber Sensors in concrete beams 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Elsevier, 2017)
    Conference report
    Open Access
    In this work, an experiment on two small concrete beams is described where Rayleigh based distributed optical fiber sensors (DOFS) are implemented together with traditional electrical strain gauges for the monitoring of ...
  • A review of distributed optical fiber sensors for civil engineering applications 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (2016-05)
    Article
    Open Access
    The application of structural health monitoring (SHM) systems to civil engineering structures has been a developing studied and practiced topic, that has allowed for a better understanding of structures’ conditions and ...
  • Distributed optical fibre sensors in concrete structures: performance of bonding adhesives and influence of spatial resolution 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Wiley, 2019-03)
    Article
    Restricted access - publisher's policy
    In this paper, the authors conducted an experiment where a reinforced concrete beam was instrumented with a 5-m long polyimide single distributed optical fibre sensors (DOFS) performing four equal segments externally bonded ...
  • Embedded distributed optical fiber sensors in reinforced concrete structures: a case study 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Multidisciplinary Digital Publishing Institute (MDPI), 2018-04)
    Article
    Open Access
    When using distributed optical fiber sensors (DOFS) on reinforced concrete structures, a compromise must be achieved between the protection requirements and robustness of the sensor deployment and the accuracy of the ...
  • Fatigue testing of reinforced concrete beam instrumented with distributed optical fiber sensors (DOFS) 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Civil Engineering Research Association of Ireland (CERAI), 2018)
    Conference report
    Restricted access - publisher's policy
    The use of fiber optic sensors on civil engineering structural health monitoring (SHM) applications have become quite popular for the past two decades. Within this type of sensors however, the study and use of Optical ...
  • Fiber optics for load testing 

    Casas Rius, Joan Ramon; Barrias, Antonio Jose de Sousa; Rodríguez, Gerardo; Villalba Herrero, Sergi (CRC Press, 2019)
    Part of book or chapter of book
    Restricted access - publisher's policy
    This chapter presents the application of fiber optic sensor technology in the monitoring of a load test. First, the description of the fiber optic technology is described with main emphasis in the case of distributed optical ...
  • Health monitoring of real structures by distributed optical fiber 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi; Rodríguez, Gerardo (2016)
    Conference report
    Restricted access - publisher's policy
    Two different existing structures monitored with distributed optical fiber sensors, are described in this paper. The principal Structural Health Monitoring (SHM) results of a valuable hospital rehabilitation and the ...
  • Long-term reliability assessment of OBR based DOFS on reinforced concrete elements 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (International Association for Structural Control and Monitoring (IASCM), 2018)
    Conference report
    Restricted access - publisher's policy
    The authors conducted a laboratory experiment where two reinforced concrete beams were instrumented with a Distributed Optical Fiber Sensors that were adhered to allow the measuring of strain on four different longitudinal ...
  • Monitoring of shear cracking in partially prestressed concrete beams by distributed optical fiber sensors 

    Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi; Barrias, Antonio Jose de Sousa (CRC Press Taylor, 2016)
    Conference report
    Restricted access - publisher's policy
    In the present paper, a novel technique is used to monitor shear crack patterns in Partially Prestressed Concrete (PPC) beams. The proposed technique is based on experimental data obtained in two PPC beams tested in ...
  • Performance assessment of embedded distributed optical fiber sensors in reinforced concrete structures 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (International Association for Bridge and Structural Engineers (IABSE), 2017)
    Conference report
    Restricted access - publisher's policy
    In this paper, an experiment where distributed optical fiber sensors (DOFS) were implemented in two small concrete beams subjected to a three-point load test is outlined. Here, an optical backscatter reflectometry based ...
  • Performance of Distributed Optical Fiber Sensors bonded to reinforcement bars in bending 

    Bado, Mattia Francesco; Casas Rius, Joan Ramon; Barrias, Antonio Jose de Sousa (NDT.net, 2018)
    Conference report
    Open Access
    Distributed Optical Fiber Sensors (DOFS) are optimal tools for mapping temperature, strain and vibration inside a structural element in two or even three dimensions. Thanks to their multiple sensing points, wide location ...
  • Performance of Rayleigh-based Distributed Optical Fiber Sensors bonded to reinforcing bars in bending 

    Bado, Mattia Francesco; Casas Rius, Joan Ramon; Barrias, Antonio Jose de Sousa (Multidisciplinary Digital Publishing Institute (MDPI), 2018-09)
    Article
    Open Access
    Distributed Optical Fiber Sensors (DOFSs), thanks to their multiple sensing points, are ideal tools for the detection of deformations and cracking in reinforced concrete (RC) structures, crucial as a means to ensure the ...
  • Review of civil engineering applications with distributed optical fiber sensors 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (2016)
    Conference report
    Restricted access - publisher's policy
    It’s widely recognized that during its lifetime, civil engineering structures are subjected to adverse changes that affect their condition and structural safety. In this way, the application of Structural Health Monitoring ...
  • SHM of reinforced concrete elements by Rayleigh backscattering DOFS 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (2019-03)
    Article
    Open Access
    This document showcases the latest research conducted within UPC–BarcelonaTech on the performance of distributed optical fiber sensors (DOFS), more specifically the case of the optical backscattered reflectometry (OBR) ...
  • Structural health monitoring developments in TRUSS Marie Sklodowska-Curie innovative training network 

    Moughty, John James; Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon (2017)
    Conference report
    Restricted access - publisher's policy
    This paper reports on recent contributions by the Marie Sklodowska-Curie Innovative Training Network titled TRUSS (Training in Reducing Uncertainty of Structural Safety) to the field of structural safety in rail and road ...
  • TRUSS, a European innovative training network dealing with the challenges of an aging infrastructure network 

    González, Arturo; Barrias, Antonio Jose de Sousa; Teixeira, Rui; Casas Rius, Joan Ramon (NDT.net, 2018)
    Conference report
    Open Access
    Inspections and maintenance of infrastructure are expensive. In some cases, overdue or insufficient maintenance/monitoring can lead to an unacceptable risk of collapse and to a tragic failure as the Morandi bridge in Genoa, ...
  • UPC—BarcelonaTech experience on the use of Rayleigh based distributed optical fiber sensors for SHM of concrete structures 

    Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Rodríguez, Gerardo; Villalba Herrero, Sergi (CRC Press, 2017)
    Conference report
    Restricted access - publisher's policy
    In the past decade, several works and studies have been performed with the goal of improving the knowledge and developing new techniques associated with the application of Distributed Optical Fiber Sensors (DOFS) in order ...