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Assessment of the State of Stability of a Road Tunnel on the Basis of Data from a Multilevel Seismic SurveyNormal access

Authors: V. Pisetsky, A. Zudilin and S. Chevdar
Event name: 24th European Meeting of Environmental and Engineering Geophysics
Session: Best of ENGGEO
Publication date: 09 September 2018
DOI: 10.3997/2214-4609.201802459
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 487.38Kb )
Price: € 20

Summary:
The presented report discusses the results of a survey of the technical condition of the unfinished construction of a road tunnel on the object: Bashkortostan - a new exit from the city of Ufa to the federal highway M-5 "Ural" (Eastern exit). The purpose of the work was to study the engineering geological and hydrogeological conditions within the zone of interaction of the enclosing mountain massif and all previously executed parts and tunnel elements to obtain the initial data necessary to verify the compliance of the design documentation and to assess the possibility of their further use during the continuation of construction and future accident-free operation or the need for their replacement, restoration, repair and reinforcement. Note that to date, along the route of the future tunnel from the beginning of construction (2001), three parallel galleries from the western portal have been traversed for a distance of about 900 m. Up to the design position of the eastern portal, about 200 m have been drilled. The side of the tunnel is partly finished by finishing, the rest - temporary.


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