Tunnel deformation monitoring
selected publications
Stiros, S. and Kontogianni, V. Mean deformation tensor and mean deformation ellipse of an excavated tunnel section, Int. J Rock Mechanics and Mining Science, 46, 1306-1314, 2009
Stiros, S. Orientation and alignment of the 5TH C BC tunnel of Eupalinos at Samos (Greece): Survey Review, 41, 313, 218-225, 2009
Stiros, S. and Kontogianni, V. , Coulomb stress changes: from earthquakes to underground excavation failures, Int. J Rock Mechanics and Mining Science 46, 282-287, 2009
Stiros, S. Alignment and breakthrough errors in tunnelling, Tunnelling and Underground Space Technology, 24, 236-244, 2009
Kontogianni, V., Papantonopoulos, K, Stiros, S, Delayed failure at the Messochora tunnel, Greece" Tunnelling and Underground Space Technology, 28, 232-240, 2008.
Kontogianni, V. and Stiros, S. Convergence in weak rock tunnels. Tunnels and Tunneling International, February 2006, 36-39.
KONTOGIANNI, V., PSIMOULIS, P. STIROS, S., What is the contribution of time-dependent deformation in tunnel convergence? Engineering Geology, 82, 264-267, 2006.
Kontogianni, V. and Stiros, S. , Induced deformation during tunnel monitoring: Evidence from geodetic monitoring. Engineering Geology, 79, 115-126, 2005.
Kontogianni, V., Tzortzis, A. and Stiros, S. Deformation and Failure of the Tymfristos Tunnel, Greece. Journal of Geotechnical and Geoenvironmental Engineering (ASCE), 130, 1004-1013, 2004.
Kontogianni, V. and Stiros, S. Earthquakes and seismic faulting: Effects on tunnels. Ôurkish Journal of Earth Sciences, 12, 153-156, 2003.
Kontogianni, V. and Stiros, S. , Predictions and observations of convergence in shallow tunnels: case histories in Greece", Engineering Geology, 63, 333-345, 2002.
Kontogianni, V., Psimoulis, P., Pytharouli, S. and Stiros, S., Geodetic monitoring of underground excavations: 70 years after Terzaghi's innovative techniques at the Chicago Subway Tunnels. Bakker et al. (eds.), Geotechnical Aspects of Underground Construction in Soft Ground, Taylor and Francis Group plc, 725-730, 2006
Kontogianni, V., Pytharouli, S., Psimoulis, P., and Stiros, S. Origin and significance of steps in tunnel convergence diagrams. Rock Engineering - Theory and Practice. Proc. of the ISRM Regional Symposium EUROCK 2004 & 53rd Geomechanics Colloquium, Salzburg, VGE, 237-240, 2004.
Kontogianni, V. and Stiros, S. , Rock mass quality assessment based on predicted and observed deformation: Experience from recent tunnels. In: Rosenbaum, M.S., & Turner, A.K. (Eds.) Characterisation of the Shallow Subsurface: Implications for Urban Infrastructure and Environmental Assessment, Lecture Notes in Earth Sciences (Springer), 261-268, 2003.
Kontogianni, V. and Stiros, S. , Tunnel deformation during excavation: A kinematic approach based on geodetic observations. 6th International Symposium on Field Measurements in GeoMechanics. Oslo, 189-193, 2003.
- Analysis of geodetic measurements reflecting re-arrangement of stresses around an excavated tunnel section (convergence).
- Analysis of tunnel section deformation in terms of deformation tensor.
- 3-D deformation following tunnel deformation, propagation and rejuvenation of deformation
- Measurement (monitoring) and analysis of the deformation of the ground ("ground loss") and of buildings due to tunneling and deep excavations
Laboratory of Geodesy
and Geodetic Applications
