Numerical Simulation in Tunnelling

Gernot Beer

ISBN 10: 3211005153 / ISBN 13: 9783211005156

Editore: Springer Vienna, 2003

Riguardo questo articolo

Druck auf Anfrage Neuware - Printed after ordering - For many years the Austrian tunneling industry has demanded that research is urgently required to establish a theoretical basis for the New Austrian TUnneling Method and to assist site engineers in the often difficult day to day decisions. In particular it was felt that numerical models need to be improved considerably in order to be able to act as useful tools in predicting soil/rock mass behavior during tunneling. The required improvement not only refers to the quality of the models but also to their ease of use. As long as an experienced modeler is required to spend days in preparing the input and in interpreting the results the models will not be useful at the tunnel site. It is heartening therefore that a group of scientists in Austria has come together to attempt to tackle this challenging task. The initiative has been supported in a number of ways by the Austrian tunneling industry. All Aus trian companies associated with tunneling sent representatives to the man agement advisory board, which ensured that the research carried out in the project, was of benefit to the industry. The Austrian Geomechanics Society sponsored the project with a considerable amount, which was mainly used to cover site costs. HL-AG and OSAG, as well as the joint ventures allowed access to tunnel sites thereby making it possible to test new developments.

Codice articolo 9783211005156

Dati bibliografici

• Titolo: Numerical Simulation in Tunnelling
• Editore: Springer Vienna
• Data di pubblicazione: 2003
• Lingua: Inglese
• ISBN 10: 3211005153
• ISBN 13: 9783211005156
• Rilegatura: Buch
• Condizione: Neu
• Dimensioni: 241 L x 160 A x 33 P (millimetri) 241 millimetri di larghezza per 160 millimetri di altezza per 33 millimetri di profondità
• Peso: 916 grammi

Descrizione articolo

Riassunto

This text presents the results of the joint research initiative "Numercial Simulation in Tunneling". In doing so it provides a thorough guide to improving the safety and economy of tunnels by discussing the application of numerical simulation methods to assist tunnel engineers. Numerical simulation tools for the estimation of the required tunnel support and the required construction measures are described in this book. By using them, it is possible to study the impact on the construction and on the environment at the planning stadium and during construction. This will result in an improvement of the safety and economy of tunnels.

Contenuti

Introduction Tunnelling – the need for technological development and innovation Improved site investigation Advanced pre-processing methods Thermochemomechanical material model for shotcrete Material model for soil and applications Damage mechanics of jointed rock in tunnelling Parameter identification and its application in tunnelling Soft-computing-based parameter identification as the basis for prognoses of the structural behaviour of tunnels Quantification of stress states in shotcrete shells Compressed air tunnelling – determination of air requirement A coupled FE-model for tunnelling by means of compressed air A multilaminate model for finite element analysis of tunnel excavation Advanced post-processing methods Application of numerical simulation at the tunnel site Summary and outlook