## On the flow of groundwater in closed tunnels: generic hydrogeological modelling of nuclear waste repository, SFL 3-5 |

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### Contents

INTRODUCTION AND PURPOSE OF STUDY | 1 |

METHODOLOGY | 3 |

1 Modelling approach and flow pattern | 9 |

Copyright | |

34 other sections not shown

### Common terms and phrases

analytical method Aspo bentonite block conductivity distribution block size boundary effects calculated cell(i cells Chapter closed tunnels conductivity contrast conductivity values defined direction of regional effective conductivity effective rock conductivity ellipsoid ellipsoid-tunnel encapsulation equivalent conductivity estimate expected flow finite difference finite difference method flow barrier flow in SFL flow is directed flowpaths fractured rock geometric mean given in Figure heterogeneous rock mass homogeneous rock mass homogenized conductivity Horizontal angle horizontal plane hydraulic conductivity hydraulic properties increased inside a tunnel large number larger Log-normal log-normal distribution main axis negative barrier number of blocks numerical method permeable porous medium positive barrier probability distribution regional flow regional groundwater flow repository right angles scale dependency scenario SFL 4 tunnel short axis simulations specific flow standard deviation stochastic continuum approach stochastic continuum model studied structure surrounding rock mass system of equations threshold conductivity total flow tunnel length uniform continuum model wlof