Proceedings of the 59^th Geomechanics Colloquium

Effects of ground water table fluctuation

R. Bremen, H. Ehrbar & B. Otto: Gotthard Base Tunnel – Tunnelling in the influence zone of two concrete arch dams

E. Netzer & E. Pürer: Behaviour of Kops arch dam during tunnel excavation

A. Vigl & R. Gerstner: Considerations of the crack water table and its fluctuation in pressure tunnel design and construction

S. Klein, J. Waggoner & T. Hibner: Ground water resources and the design and construction of deep tunnels in rock

R. Hornich & R. Adelwöhrer: Landslides 2009 in Styria

A. Blauhut & A. Leobacher: Gmünd reservoir – Graseggerslope stabilization

J. Linortner, R. Kohler, G. Jung & S. Güven: Ermenek HPP – Groundwatertable development during impounding

Interaction between ground and TBM

D. Bach, M. Köpf, J. Lemmerer & N. Salcher: 13m TBM‐S without active support at the limit of use at the Tunnelkette Perschling

A. Göbl: Interaction between ground, closed shield TBM and segmental lining system

J. Brandl, V. Gupta & N. Millen: Tapovan – Vishnugad Hydroelectrcric Power Plant – Experiences with TBM excavation under high rock cover

R. Poisel, E. Tentschert, A. Preh, V. Ostermann, W. Chwantal & A. Zettler: Interaction between ground and TBM analyzed by machine data and rock mass parameters

H. Quick, E. Facchin, K. Bergmeister & J. Michael: Exploration Tunnel Aicha‐Mauls at Brenner Base Tunnel – Working progress and results

K. Keiper, R. Crapp & F. Amberg: Using geomechanical calculations as a basis for assessing the interaction between TBM and rock mass

Tunnelling in swelling ground

D. Kirschke: Approaches to technical solutions for tunnelling in swelling ground

A. Zettler, R. Poisel, A. Preh & H. Konietzky: Tunnelling in swelling rock – a solved problem?

G. Anagnostou, E. Pimentel & K. Serafeimidis: Swelling of sulfatic claystones – some fundamental questions and their practical relevance

F. Chiaverio & A. Tuth: Repair of the heaved section in the Chienbergtunnel using yielding supports

W. Steiner, P. Kaiser & G. Spaun: Brittle fracture in weak rock as trigger of swelling behavior: Qualitative evidence and analyses

F. Lenz, T. Marcher & T. Neumayr: A9 Bosrucktunnel – design approaches for swelling rock

Geothermal Energy

H. Wagner: The management of heat flow in deep mines

G. Höfer‐Öllinger, B. Millen: Geothermal prediction for planned tunnels in the Andean Mountains, Chile/Argentina

H. Hofinger, W. Unterberger, R. Markiewicz & D. Adam: Geothermal energy plants at major projects – design and construction

P. Hufschmied: Use of warm water from the Lötschberg Base Tunnel Switzerland

S. Frodl, J. Franzius & T. Bartl: Design and construction of the geothermal application in the Jenbach tunnel

C. Muser, H. Hämmerle, R. Galler & W. Schubert: Deep geothermal energy plants – an interdisciplinary challange –Shaft construction with 3D Collector heat exchanger system