Exploració per tema "tunnel"

Ara es mostren els items 6-11 de 11

    • Numerical modelling of tunnel based on a non-contact geological survey method 

      Ferrero, Anna María; Migliazza, Maria Rita; Alejano, Leandro R.; Rodríguez Dono, Alfonso (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The development of new methods for the geostructural survey that do not need direct contact with the rock mass have been developed by several authors and applied to rock slopes. The new idea of this work was to apply a ...

    • 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 ...

    • Study of secure tunnels and VPNs applied to an educational practice 

      Martín Padilla, Ferran (Universitat Politècnica de Catalunya, 2022-10-24)
      Treball Final de Grau
      Accés obert
      This thesis shows the complete experience of a student during the realization of an educational practice. Specifically, the study of the implementation of secure tunnels and VPNs using GRE, IPsec, SSL/TLS, OpenVPN, SSH and ...

    • Tunnel assessment with borehole radar 

      Pérez Gracia, María de la Vega; Caselles Magallón, Josep Oriol; Clapés Boixader, Jaime; Canas Torres, José Antonio (2017)
      Comunicació de congrés
      Accés obert
      The collapse of a tunnel and the damage in a second tunnel during the construction works, forced to the assessment of the ground in the front tunnel of the second structure, in order to avoid additional problems. The first ...

    • Tunnelling and swelling in triassic sulphate-bearing rocks: part II: case studies from Jura Mountains 

      Berdugo de Moya, Iván Rafael; Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar; Gens Solé, Antonio (2009-06)
      Article
      Accés obert
      Part II of this series of paper deals with the phenomenology of swelling in tunnels from Jura Mountains (Switzerland) excavated through the Gipskeuper and the Anhydritgruppe. The main features of expansions observed in the ...

    • Tunnelling and swelling in triassic sulphate–bearing rocks: part I: case studies from Baden–Württemberg 

      Berdugo de Moya, Iván Rafael; Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar; Gens Solé, Antonio (2009-06)
      Article
      Accés obert
      Cases of swelling in tunnels excavated through Triassic sulphate-bearing rocks from the Gipskeuper and the Anhydritgruppe are presented and discussed in this series of papers in order to gain a better understanding of the ...