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Tunnel Inflow in Granite - Fitting the Field Observations with Hybrid Model of Discrete Fractures and Continuum

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24620%2F14%3A%230000527" target="_blank" >RIV/46747885:24620/14:#0000527 - isvavai.cz</a>

  • Alternative codes found

    RIV/46747885:24220/14:00000416

  • Result on the web

    <a href="http://www.crcpress.com/product/isbn/9781138001596" target="_blank" >http://www.crcpress.com/product/isbn/9781138001596</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Tunnel Inflow in Granite - Fitting the Field Observations with Hybrid Model of Discrete Fractures and Continuum

  • Original language description

    We study the water inflow into a tunnel in granite massif in Jizera Mountains, Czech Republic, 2600m long with 150m maximum depth. The dominant inflow occurs in the shallow parts and in few fault zones in the deep part. We use a combination of 2D discrete fractures and 3D equivalent continuum to model the flow around the tunnel in a kilometre-scale domain. We use the software Flow123D developed at our department. The geometry is based on the digital terrain model and the positions of faults determined by e.g. geophysical methods. The meshing was difficult due to a small scale of the tunnel and intersections with the fault planes. The inflow is measured as a flow rate in a collecting canal by either weirs or tracer dilution method, divided to five segments of the tunnel. We calibrate the hydraulic conductivities of upper weathered zone, lower compact massif, and the vertical faults, by fitting the inflow from these subdomains, using the inverse solver UCODE. The fitted hydraulic paramet

  • Czech name

  • Czech description

Classification

  • Type

    C - Chapter in a specialist book

  • CEP classification

    DA - Hydrology and limnology

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Book/collection name

    Fractured Rock Hydrogeology

  • ISBN

    9781138001596

  • Number of pages of the result

    16

  • Pages from-to

    241-256

  • Number of pages of the book

    386

  • Publisher name

    CRC Press / Balkema

  • Place of publication

    London

  • UT code for WoS chapter