Architecture and management of a geological repository - Andra

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5 – Repository Modules• Sweden and FinlandThe Swedish (SKB) and Finnish (Posiva) concepts are designed for granite rocks. The full descriptionof the Swedish KBS-3V concept is given in [68], pp 63-66. The Finnish concept refers to the Swedishconcept.The assemblies are placed in groups of 4 or 12 in a 1.05 m diameter, 50 mm thick copper container,fitted with a cast iron insert. The cells are 1.75 m diameter vertical shafts, holding a single containersurrounded and covered by MX80 swelling clay.Figure 5.3.7Swedish and Finnish concepts with vertical cells (KBS-3V)SKB and Posiva are currently studying a horizontal variant (KBS-3H) the basic principle of which isthe use of a supercontainer consisting of a copper container surrounded by an engineered barrier madefrom prefabricated swelling clay. These over-packs are placed in repository drifts several hundredmetres long. The aim of this variant is to reduce significantly the length of access drifts.DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM236/495
5 – Repository ModulesFigure 5.3.8 KBS3-H horizontal concept with over-pack (SKB, Sweden) : top, over-pack ;bottom, horizontal cells.• USAThe American Yucca Mountain project is dedicated to civil and military spent fuels. The geologicalformation is a volcanic tuff. The disposal cells are 5.5 m diameter, 970 m long horizontal “through”drifts [69]. The packages are placed in them in line, without buffer, but in a raised position and under atitanium drip shield, so as to protect them from local percolation (meteoric water) and localisedinduced corrosion.The difference between this concept and all the other projects lies in the fact that the heat produced bythe packages is evacuated by forced ventilation which ventilates the entire line of the repository driftsfor a period of 69 years. Once the packages have been placed in the drifts, no back-filling is carriedout. The structures are sealed after a period of approximately 100 years.DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM237/495
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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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Page 191 and 192: 5 - Repository Modules• Limiting
Page 193 and 194: 5 - Repository Modules5.2.2 Design
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Page 251 and 252: 66 Overall undergroundarchitecture6
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6 - Overall underground architectur
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7 - The shafts and the driftsThe co
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7 - The shafts and the drifts7.2.2
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7 - The shafts and the driftsFigure
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7 - The shafts and the drifts7.3.3.
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7 - The shafts and the drifts7.4 De
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7 - The shafts and the driftsThe dr
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7 - The shafts and the drifts7.7 Cl
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7 - The shafts and the driftspressu
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88Surface installations8.1 General
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8 - Surface installationsFigure 8.1
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8 - Surface installationsSuch a bui
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8 - Surface installationsApart from
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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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Architecture and management of a geological repository - Andra

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