Prestressed concrete-lined pressure tunnels / Tuan Dobar Yos Firdaus Simanjuntak 

Public ISBD Titre : Prestressed concrete-lined pressure tunnels : towards improved safety and economical design Type de document : texte imprimé Auteurs : Tuan Dobar Yos Firdaus Simanjuntak Editeur : Leiden : CRC Press Année de publication : 2015 Autre Editeur : Balkema Importance : 121 p. Présentation : ill. Format : 25 cm ISBN/ISSN/EAN : 978-1-138-02853-1 Note générale : Bibliogr. Index. Langues : Anglais (eng) Mots-clés : Constructions souterraines;Tunnels;Béton projeté;Technique de la construction;Underground construction;Tunneling;Shotcrete-lined tunnels;Shotcrete;Tunnel lining;Structural engineering Résumé : In this research, a new concept is introduced to assess the effect of seepage on the bearing capacity of pressure tunnels, an innovative approach is proposed to explore the effects of the in-situ stress ratio on the lining performance. Distinction is made based on whether the rock mass behaves as an elasto-plastic isotropic, or elastic anisotropic material. Furthermore, a simplified method is introduced to quantify seepage associated with cracks around the tunnel, which is useful for assessing tunnel stability. Prestressed concrete-lined pressure tunnels : towards improved safety and economical design [texte imprimé] / Tuan Dobar Yos Firdaus Simanjuntak . - Leiden : CRC Press : Balkema, 2015 . - 121 p. : ill. ; 25 cm. ISBN : 978-1-138-02853-1 Bibliogr. Index. Langues : Anglais (eng) Mots-clés : Constructions souterraines;Tunnels;Béton projeté;Technique de la construction;Underground construction;Tunneling;Shotcrete-lined tunnels;Shotcrete;Tunnel lining;Structural engineering Résumé : In this research, a new concept is introduced to assess the effect of seepage on the bearing capacity of pressure tunnels, an innovative approach is proposed to explore the effects of the in-situ stress ratio on the lining performance. Distinction is made based on whether the rock mass behaves as an elasto-plastic isotropic, or elastic anisotropic material. Furthermore, a simplified method is introduced to quantify seepage associated with cracks around the tunnel, which is useful for assessing tunnel stability.

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