• An undrained upper bound solution for the face stability of tunnels reinforced by micropiles 

    Pinyol Puigmartí, Núria Mercè; Alonso Pérez de Agreda, Eduardo (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Tunnel in difficult soils may require procedures to prevent tunnel face failures. Face stabilization can be achieved by the installation of some structural elements. This paper presents an analysis of face stability of ...
  • Caracterização de segmentos de túneis fabricados com concreto reforçado com fibras 

    Galobardes Reyes, Isaac; Fuente Antequera, Albert de la; Domingues de Figueiredo, Antonio; Peixoto, Marco Aurelio (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A construção de túneis tem grande importância em cidades superpopulosas como é o caso de São Paulo, devido às suas grandes demandas de infraestrutura. Neste sentido, o sistema de escavação mecanizada (TBM) é uma alternativa ...
  • Comportamiento resistente de revestimientos de túnel de anillos de dovelas prefabricadas de hormigón 

    Arnau Delgado, Oriol; Molins i Borrell, Climent (2013)
    Article
    Accés obert
    Este artículo presenta los resultados de una investigación llevada a cabo en el ámbito de la respuesta resistente de los revestimientos de túneles a base de anillos de dovelas prefabricadas de hormigón. La investigación ...
  • Diseño óptimo de dovelas de hormigón reforzado con fibras para el revestimiento de túneles 

    Fuente Antequera, Albert de la; Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Aguado de Cea, Antonio (2015)
    Article
    Accés obert
    El uso del hormigón reforzado con fibras (HRF) para la fabricación de dovelas de túneles es una práctica en aumento. Sin embargo, aún existe cierta inercia al cambio respecto a la solución tradicional de hormigón armado ...
  • Effect of soil saturation changes on pressure on tunnel linings 

    de Santos, C.; Ledesma Villalba, Alberto; Lloret Morancho, Antonio (IOS Press, 2009)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    It is well known that changes in soil degree of saturation have an important influence on mechanical soil properties. Decreasing suction in soil leads to an increase of specific weight and to a decrease of stiffness and ...
  • Longitudinal time-dependent response of segmental tunnel linings 

    Arnau Delgado, Oriol; Molins i Borrell, Climent; Blom, C.B.M.; Walraven, Joost (2012-03)
    Article
    Accés obert
    The longitudinal forces introduced by tunnel boring machines (TBMs) to the segmental tunnel linings influence their structural response. The analyses of the linings construction process and the ground-structure interaction ...
  • Propuesta de método de optimización de refuerzo de segmentos de túneles fabricados con hormigón reforzado con fibras 

    Fuente Antequera, Albert de la; Galobardes Reyes, Isaac; Domingues de Figueiredo, Antonio; Peixoto, Marco Aurelio (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The construction of underground lines has a big importance in overpopulated cities such as São Paulo. In that sense, the tunnel boring machine (TBM) method for tunnel construction is a method that allows a high speed of ...
  • Theoretical and numerical analysis of the three-dimensional response of segmental tunnel linings subjected to localized loads 

    Arnau Delgado, Oriol; Molins i Borrell, Climent (2015-06)
    Article
    Accés restringit per política de l'editorial
    Segmental tunnel linings present a significant 3D response when they are subjected to localized loads or to other scenarios that produce different deformations of adjacent rings. The present paper analyzes the interaction ...
  • Three dimensional structural response of segmental tunnel linings 

    Arnau Delgado, Oriol; Molins i Borrell, Climent (2012-11)
    Article
    Accés obert
    The particular configuration of segmental tunnel linings produces that its structural response in front of usual design loads could present a significant three dimensionality due to the structural interaction between ...