Now showing items 21-30 of 30

  • On the bonding performance of Distributed Optical Fiber Sensors (DOFS) in structural concrete 

    Barrias, Antonio; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (CRC Press, 2018)
    Conference report
    Restricted access - publisher's policy
    Distributed optical fiber sensors (DOFS) is one of the most promising and exciting technolo-gies under research to be applied in civil engineering infrastructures structural health monitoring (SHM). There-fore, in this ...
  • Performance analysis of distributed optical fiber bonding adhesives to concrete 

    Barrias, Antonio; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (2018)
    Conference report
    Restricted access - publisher's policy
    In this paper, the authors conducted an experiment where a reinforced concrete beam was in-strumented with a single DOFS performing four equal segments externally bonded to the bottom surface of the element. Each segment ...
  • Performance analysis of Distributed Optical Fiber Sensors on reinforced concrete elements under fatigue testing 

    Barrias, Antonio; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (International Federation for Structural Concrete (fib), 2018)
    Conference report
    Open Access
    Optical fiber sensors (OFS) have become increasingly popular on civil engineering structural health monitoring (SHM) applications in the last two decades. This is due to several advantages when compared to the more ...
  • 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 ...
  • 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 ...
  • Shear crack pattern identification in concrete elements via distributed optical fibre grid 

    Rodríguez Gutiérrez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (2019-12)
    Article
    Restricted access - publisher's policy
    An experimental methodology to obtain the shear cracking pattern in concrete elements is presented. The method is based on the use of Distributed Optical Fiber Sensors (DOFS) connected to an Optical Backscattered Reflectometer ...
  • Shear crack width assessment in concrete structures by 2D distributed optical fiber 

    Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Elsevier, 2019-09)
    Article
    Restricted access - publisher's policy
    This paper outlines the second part of an experimental study to show the capabilities of distributed optical fiber sensors (DOFS) in their application to the structural health monitoring (SHM) of the shear performance of ...
  • SHM by DOFS in civil engineering: a review 

    Casas Rius, Joan Ramon; Rodríguez, Gerardo; Villalba Herrero, Sergi (2015-12)
    Article
    Open Access
    This paper provides an overview of the use of different Distributed Optical Fiber Sensor systems (DOFSs) to perform Structural Health Monitoring (SHM) in the specific case of civil engineering structures. Nowadays, there ...
  • 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) ...
  • 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 ...