Power water conduit

H. Krenn, M. Roner, M. Bauert:Deformation measurement and longterm behaviour of passive prestressed pressure tunnels, a case study of the Niagara Tunnel Facility Project

R. Gerstner, E. Netzer, A. Vigl:Long time behaviour of pressure tunnels

A. Vigl, R. Gerstner, F. Bartimoccia:Headrace and trailrace tunnels of “Beles” HPP in Ethopia

M. Lumetzberger, C. Kitzler:Detailed assessment of the pressure tunnel Baerenwerk for rehabilitation of the hydropower plant

P. Leblhuber, P. Bonapace:Renewal of the pressure shaft for HPP Kaunertal – Site investigation and grouting concept

A. Schleiss:More competitive pumped‐storage projects by the use of vertical pressure shafts without steel liners

Special measures in soft ground

C. Kummerer:Building protection for innercity tunnel excavation for the Metro in Rome

C. Vrettos, G. Vassilakopoulou:Design and application of specialist foundation methods for the deep excavations of the Metro Thessaloniki

J. Cook, A. Nikolic:Overcoming below ground congestion with a D‐shaped pile

J. Seegers, J. Schmeiser, P. Erdmann:Metroline U5 Berlin, section Alexanderplatz to Brandenburger Tor – Challenges for design due to complex geotechnical conditions

A. Strauss , S. Papakonstantinou:Cross passages in soil – ground freezing, segment support, excavation and displacement monitoring for segmental lining

H. Gamsjäger, J. Satina:Special measures in soft ground – A particular field conflict in tunnelling contracts

International large projects

S. K. Mohanty, O. Sigl, F. Krenn, G. Höfer‐Öllinger:Underground crude oil storage projects in India

A. Stärk, M. Fischer:Controlling of SCL in urban areas in the UK, case history Crossrail contract C510

V. Nasri:Design and construction of the Second Avenue Subway Project in New York

K. Rabensteiner, S. Notarianni:Cityringen – Safe expansion of Metro Copenhagen

G. Gobiet, O. K. Wagner:The New Semmering Tunnel

Challenge shaft

J. Classen, B. Künstle, M. MacNab:Mechanised shaft sinking – State of the art and future developments

C. Dalios, T. Hilgenberg:Challenges in shaft logistics

E. Dorn, O. Kaledin:Modern and innovative shaft sinking technology on examples of current mining projects

B. Moritz, N. Radoncic, A. Helmberger, R. Uschan:Construction shaft of the Koralm Tunnel KAT 2: A challenge in structural analysis, geotechnics and logistics

J. Pircher, W. Pacher, E. Neugschwandtner:HPP‐Kaunertal – Shafts for the new power desecent

H. Höfle:Gotthard Base Tunnel Sedrun – Experience gained during construction and operation of 2 shafts