Use of hydrogeomechanical monitoring during shielding tunnel for underground station оf Saint Petersburg subway «Admiralteiskaya»
About authors
- 1 — Ph.D., Dr.Sci. chief research assistant National Mineral Resources University (Mining University)
- 2 — Ph.D. leading research assistant National Mineral Resources University (Mining University)
- 3 — research assistant National Mineral Resources University (Mining University)
Abstract
Are investigated results obtained during supervision over change of hydraulic pressure and soil’s deformation while shielding inclined tunnel with hydro-surcharge on the breast for Saint Petersburg underground station «Admiralteiskaya». Are defined characteristics of anthropogenic hydro geological structure generated while shielding glacial soils. Is offered methodology for estimation soil deformation taking into account anthropogenic cracks of stratification and compaction – decompaction processes of clay breeds while changing hydraulic pressures. Is presented an example of estimation deformations of soils influenced by shielding.
Область исследования:
(Archived) Geotechnology for development of solid mining fields
Keywords:
tunnel
shield complex
hydro surcharge
hydraulic pressure
effective pressure
supervision
deformation forecast
References
- Norvatov Ju.A. Hydrogeomechanical processes in flooding of mines / Ju.A.Norvatov, I.B.Petrova // Proceedings of the Mining Institute. Saint Petersburg, 2010. Vol.185.
- Shestakov V.M. Hydrogeomechanics. Moscow, 1998.
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