• Consecutive patterns and statistics on restricted permutations 

    Elizalde Torrent, Sergi (Universitat Politècnica de Catalunya, 2004-07-16)
    Tesi
    Accés obert
    El tema d'aquesta tesi és l'enumeració de permutacions amb subseqüències prohibides respecte a certs estadístics, i l'enumeració de permutacions que eviten subseqüències generalitzades.<br/>Després d'introduir algunes ...
  • 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 ...
  • Els túnels ferroviaris a la collada de Toses 

    Suriol Castellví, Josep (2009)
    Article
    Accés obert
    At the beginning of the 20th century, and within the train network connecting to France, there was a project to extend the train network Barcelona-Ripoll to Ribes de Freser and from there, crossing the Toses pass, to ...
  • 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 ...
  • 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 ...