Ara es mostren els items 1-20 de 119

  • Actualización del riesgo sísmico de puentes existentes mediante monitorización estructural 

    Soriano Chacón, Miriam; Casas Rius, Joan Ramon (Ministerio de Obras Públicas de Chile, 2014)
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    The present paper presents a theoretical study of the advanced assessment implementation methodology through the application of a Structural Health Monitoring system (SHM) to update the level of seismic risk of existing ...
  • Advancements of vibration based damage detection techniques for small to medium span bridges 

    Moughty, John James; Casas Rius, Joan Ramon (2016)
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    Overtime, the structural condition of bridges tends to decline due to a number of degradation processes, such as; creep, corrosion and cyclic loading, among others. Considerable research has been conducted over the years ...
  • A framework for robustness assessment in the context of corroded RC structures 

    Cavaco, E. S.; Neves, L. A. C.; Casas Rius, Joan Ramon; Huespe, Alfredo Edmundo (CRC Press, 2010)
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    Structural robustness is an emergent concept related to the structural response to damage. At the present time, robustness is not well defined and much controversy still remains around this subject. Even if robustness has ...
  • An attempt to the determination of the partial safety factor for SFRC members subjected to bending forces 

    Camós Andreu, Carles; Casas Rius, Joan Ramon; Molins i Borrell, Climent (International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM), 2012)
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    In the last few years, research on techniques that permit the reduction or even the complete elimination of structural bar reinforcements has been intensified. The addition of steel fibres to the concrete matrix is proven ...
  • Aplicación de los conjuntos difusos en la evaluación de los parámetros de la vulnerabilidad sísmica de puentes 

    Maldonado Rondón, Esperanza; Casas Rius, Joan Ramon; Canas Torres, José Antonio (Universitat Politècnica de Catalunya, 2002)
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  • Aplicación de los conjuntos difusos en la evaluación de los parámetros de la vulnerabilidad sísmica de puentes 

    Maldonado Rondón, Esperanza; Casas Rius, Joan Ramon; Canas Torres, José Antonio (Universitat Politècnica de Catalunya, 2002)
    Article
    Accés obert
    La determinación de la vulnerabilidad sísmica del inventario de puentes de una ciudad es una necesidad cada vez más latente. Día a día, los programas de atención posterremotos obligan a contar con una buena planificación ...
  • 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
    Accés restringit per política de l'editorial
    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 of optical fiber distributed sensing to health monitoring of concrete structures 

    Villalba Herrero, Sergi; Casas Rius, Joan Ramon (2013-08)
    Article
    Accés restringit per política de l'editorial
    The use of Optical Backscatter Reflectometer (OBR) sensors is a promising measurement technology for Structural Health Monitoring (SHM) as it offers the possibility of continuous monitoring of strain and temperature along ...
  • Application of system-based correction factors in condition rating of steel-composite bridges 

    Casas Rius, Joan Ramon; Anitori, Giorgio; Ghosn, Michel (CRC Press Taylor, 2016)
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    Traditional condition rating procedures concentrate on member condition and give no consider-ation to system behavior. In this paper a methodology is proposed to modify the correction factor applied dur-ing the assignment ...
  • 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)
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    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
    Accés obert
    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 ...
  • Assessing cracking characteristics of concrete structures by distributed optical fiber and non-linear finite element modelling 

    Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Institut Français des Sciences et Technologies des Transports (IFSTTAR), 2014)
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    This work shows how the experimental strain data obtained with an OBR (Optical Backscattered Reflectometer) measuring system can be used to locate cracking before being visually observable and also to estimate the crack ...
  • Assessment and monitoring of existing bridges to avoid unnecessary strengthening or replacement 

    Casas Rius, Joan Ramon (CRC Press, 2010)
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    The increasing volume of European transport urgently requires an effective road and rail system in Central European and Eastern countries (CEEC) with a major investment in building new and assessing and rehabilitating old ...
  • Assessment of vibration intensity as a condition and safety indicator for short-span bridges 

    Moughty, John James; Casas Rius, Joan Ramon; Rodrigues, J. Fernando (2016)
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    Over the years, there have been numerous efforts by researchers in quantifying structural performance and damage from vibration measurements. Curves proposed by several authors try to relate acceleration spectrums to damage ...
  • A state of the art review of modal-based damage detection in bridges: development, challenges, and solutions 

    Moughty, John James; Casas Rius, Joan Ramon (Multidisciplinary Digital Publishing Institute, 2017-05)
    Article
    Accés obert
    Traditionally, damage identification techniques in bridges have focused on monitoring changes to modal-based Damage Sensitive Features (DSFs) due to their direct relationship with structural stiffness and their spatial ...
  • BMS for Permit Vehicle Routing in Spain 

    Casas Rius, Joan Ramon; Aparicio Bengoechea, Ángel Carlos; Ramos Schneider, Gonzalo; Sánchez-Rey, Agustín (Transportation Research Board, 2000)
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    Accés obert
    The papers shows the main works developed in Spain for the construction of a Bridge Management System (BMS) to manage the vehicle permits over the bridges of the socalled Strategic Spanish Highway Network, i.e., the most ...
  • BRAIN: Building Research Analysis and Information Network 

    Serrat Piè, Carles; Gibert Armengol, Vicente; Casas Rius, Joan Ramon; Rapinski, Jacek (International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM), 2017)
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    The research we introduce in the paper is intended to model and to infer on the durability of architectural fronts, composed of the facades of buildings, by designing a predictive system. The estimation is based on survival ...
  • Bridge capacity assessment by combined proof-loading and WIM data 

    Casas Rius, Joan Ramon; Gomez, Juan David (CRC Press, 2010)
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    Proof loading of bridges is a powerful tool in the capacity assessment of existing bridges. The idea is to load the bridge up to a certain level in order to guarantee the safety of the bridge versus the normal traffic. ...
  • Bridge condition and safety based on measured vibration level 

    Casas Rius, Joan Ramon; Rodrigues, J. Fernando (International Association for Bridge and Structural Engineers (IABSE), 2015)
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    Along the years, there were efforts by researchers in quantifying structural performance and damage in function of vibration measurements. Curves proposed by several authors try to relate acceleration spectrum to damage ...
  • Bridge damage detection based on vibration data: past and new developments 

    Casas Rius, Joan Ramon; Moughty, John James (2017-02)
    Article
    Accés obert
    Overtime, bridge condition declines due to a number of degradation processes such as creep, corrosion, and cyclic loading, among others. Traditionally, vibration-based damage detection techniques in bridges have focused ...