Architecture and management of a geological repository - Andra

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6 – Overall underground architecture6.6.5 Sensitivity of the footprint of the repository to the pre-disposal storage duration.The footprint of the B waste and C0 waste repository zones does not depend on the pre-disposalstorage duration. For highly exothermal packages, the total footprint of the repository zones resultsfrom that of the repository modules, sensitive to the pre-disposal storage duration, and the distancesbetween these modules. The C waste repository zone for the scenario S1a has an footprint ofapproximately 500 hectares for a previous surface storage from 60 years (for the reference packagesC1/C2) to 70 years (for the reference packages C3/C4). Above a certain storage duration, thesensitivity of this footprint is attenuated: it becomes 300 hectares for a surface storage duration of150 years (Figure 6.6.5) and is reduced by half for a duration of 200 years. Under the assumption of arepository with spent fuels (scenario S2), a similar sensitivity is observed for the footprint to the predisposalsurface storage duration (Figure 6.6.6). This sensitivity varies with the speeds of thermaldecrease of the different types of packages.B zone100 haB zone100 haC0 zone 8 haC0 zone 8 haC zone500 haC zone300 haPre-disposal storage duration60 years for C1 and C2 wastes70 years for C3 and C4 wastesPre-disposal storage duration150 years for C wastesScenario S1aFigure 6.6.5Sensitivity of the footprint of a repository to the previous surface storageduration of highly exothermal packages - scenario S1aDOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM286/495
6 – Overall underground architectureB zone80 haC0 waste zone 8CU2 zone350 haCU1 zone820 haPre-disposal storage duration60 years for C1 and C2 wastes60 years for CU1 waste90 years for CU2 wasteC zone140 haB zone80 haC0 waste zone 8CU2 zone270 haPre-disposal storage duration150 years for C and CU wastesC zone50 haCU1 zone450 haFigure 6.6.6Sensitivity of the footprint of a repository to the previous surface storageduration of highly exothermal packages - scenario S2DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM287/495
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Report SeriesTomeArchitectureand ma
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C.RP.ADP.04.00013/495ContentsConten
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C.RP.ADP.04.00015/4955.3.2 Design p
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C.RP.ADP.04.00017/4959.2.3 The tran
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C.RP.ADP.04.00019/495Bibliographic
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C.RP.ADP.04.000111/495Table of illu
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C.RP.ADP.04.000113/495Figure 4.3.8
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C.RP.ADP.04.000115/495Figure 5.3.9F
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C.RP.ADP.04.000117/495Figure 9.2.2
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C.RP.ADP.04.000119/495Figure 10.4.8
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C.RP.ADP.04.000121/495Table 11.6.1T
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1 - The Study Approach1.1 Purpose o
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1 - The Study ApproachFrom 1999 to
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1 - The Study Approach1.4 Structure
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2 - General DescriptionThis chapter
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2 - General DescriptionHLLL waste p
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2 - General DescriptionFor a transi
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2 - General DescriptionIt should al
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2 - General Description2.2.2.2 Safe
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2 - General DescriptionThe protecti
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2 - General DescriptionIt should al
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2 - General DescriptionThis section
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2 - General Descriptionfollowing th
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2 - General Description2.3.2.2 Geoc
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2 - General DescriptionFigure 2.3.5
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2 - General DescriptionIn the Dogge
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2 - General Description• A dimens
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2 - General Description2.4.1.2 Desi
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2 - General Description- some conne
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2 - General DescriptionAs for the w
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2 - General DescriptionThe figure b
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33High-level long-lived waste3.1 Wa
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3 - High Level Long-Lived WasteRese
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3 - High Level Long-Lived Wastesupp
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3 - High Level Long-Lived WasteThe
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3 - High Level Long-Lived WasteFigu
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3 - High Level Long-Lived WasteA fi
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3 - High Level Long-Lived WasteA se
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3 - High Level Long-Lived WasteVitr
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3 - High Level Long-Lived WasteCond
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3 - High Level Long-Lived WasteDist
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3 - High Level Long-Lived Waste3.3.
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3 - High Level Long-Lived WasteTabl
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44Waste disposal packages4.1 B disp
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4 - Waste disposal PackagesFor empl
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4 - Waste disposal Packages• Safe
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4 - Waste disposal Packages• "Par
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4 - Waste disposal PackagesThe prin
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4 - Waste disposal PackagesThe seco
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4 - Waste disposal PackagesFigure 4
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4 - Waste disposal Packages4.1.5 Th
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4 - Waste disposal Packages4.1.5.7
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4 - Waste disposal PackagesIn the c
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4 - Waste disposal PackagesFinally,
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4 - Waste disposal PackagesThe YAG
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4 - Waste disposal PackagesIn the U
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4 - Waste disposal PackagesThe spee
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4 - Waste disposal Packages4.2.4 Ma
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4 - Waste disposal PackagesLoadSlid
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4 - Waste disposal Packages4.3 Spen
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4 - Waste disposal PackagesThe seco
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4 - Waste disposal PackagesFor both
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4 - Waste disposal Packages• Safe
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4 - Waste disposal PackagesAs for C
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4 - Waste disposal PackagesMelted c
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55Repository modules.5.1 B waste re
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5 - Repository Modules5.1.1.1 Quest
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5 - Repository Modules• Controlli
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5 - Repository ModulesFigure 5.1.1t
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5 - Repository Modules• The geome
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5 - Repository ModulesTable 5.1.1Fu
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5 - Repository ModulesFigure 5.1.9D
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5 - Repository Modules5.1.3.2 Detai
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5 - Repository Modules• Arrangeme
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5 - Repository ModulesAlthough this
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5 - Repository ModulesConnection be
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5 - Repository ModulesFurthermore,
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5 - Repository ModulesTo illustrate
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5 - Repository Modules• The acces
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5 - Repository ModulesFigure 5.1.24
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5 - Repository Modules• Limiting
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5 - Repository Modules5.2.2 Design
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5 - Repository ModulesA concept wit
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5 - Repository Modules• Orientati
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5 - Repository ModulesFigure 5.2.3O
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5 - Repository Modules5.2.3.1 Descr
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5 - Repository ModulesA minimum ann
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5 - Repository ModulesIn terms of t
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5 - Repository ModulesStorage perio
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5 - Repository ModulesSensitivity t
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5 - Repository ModulesIt must be no
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5 - Repository Modules• Disposal
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5 - Repository Modules• Assembly
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5 - Repository ModulesThe permeabil
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5 - Repository ModulesThe evolution
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5 - Repository ModulesThe lowest dr
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5 - Repository Modules• Back-fill
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5 - Repository Modules5.3.2.1 Sever
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5 - Repository ModulesFigure 5.3.4S
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Page 251 and 252: 66 Overall undergroundarchitecture6
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Page 321 and 322: 88Surface installations8.1 General
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9 - Nuclear operating resources in
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1010 Reversible repositorymanagemen
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During the operational phase, the d
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Figure 10.1.1Key repository operati
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The radioactive elements can thus b
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Furthermore, equipment and liner ma
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The condition of the access drifts
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The sleeve’s durability is improv
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10.2.2.2 “Post cell-sealing” st
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As far as long-term safety is conce
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Figure 10.2.10Diagrammatic represen
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10.3.1.1 Overview of the principal
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10.3.2.2 Monitoring of type C waste
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The project’s monitoring programm
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• Absence of a significant impact
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Dams are of particular interest whe
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The rate of operation of these sens
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• Water contentThe water content
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A similar wireless transmission tec
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Figure 10.3.9Example of monitoring
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In addition, a visual control syste
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Cell atmosphere monitoring is limit
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The monitoring of the seal can be c
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• The instrumented sections and t
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The deformation measurements carrie
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10.3.9 Observation of spent fuel di
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These instrumented sections (cf. §
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The monitoring equipment embedded i
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the cell which conditions the evolu
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Figure 10.4.2Cell filled with B pac
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Ventilation of a 250-m long cell re
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• Package retrieval processOnce t
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Figure 10.4.10C Cell at end of oper
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The robot is traversed similarly to
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This operation is complete when a b
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The condition of the drift liner sh
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1111 Operational Safety11.1 Evaluat
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11 - Operational SafetyTransport tr
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11 - Operational SafetyTable 11.1.1
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11 - Operational SafetyResultsTable
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11 - Operational SafetyThe risks ar
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11 - Operational SafetyOn the surfa
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11 - Operational Safety“Honeycomb
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11 - Operational SafetyGiven the me
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11 - Operational SafetyThis risk co
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11 - Operational SafetyHydrogen emi
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11 - Operational SafetyOver and abo
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11 - Operational SafetyFigure 11.4.
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11 - Operational SafetyHowever, wit
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11 - Operational Safety11.5.2 Concl
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11 - Operational Safety11.7.1 Asses
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11 - Operational SafetySuch a damag
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11 - Operational Safety11.8.1.2 Dat
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11 - Operational SafetyIn all cases
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1212 Synthesis12.1 Simple and robus
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12 - SynthesisThe existence of unce
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12 - SynthesisTo concretely illustr
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Bibliographic references[17] Callon
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Bibliographic references[54] Andra
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Bibliographic references[88] IAEA (
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Photo Credits:ANDRA - AREVA CREATIV
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