Tome Architecture and management of a geological repository - Andra

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The present English version is a translation of the original “Dossier2005 Granite“ documentation written in French, which remains ultimatelythe reference documentation.In order to be consistent through the various documents, while theword ''storage'' (''entreposage'' in French) refers only to temporarymanagement (in terms of concept and facility), ''disposal'' (in term ofconcept) and ''repository'' (in terms of facility or installation) refers tolong term management of high level long lived radioactive waste(''stockage'' in French for these words).
ContentsContentsContents...................................................................................................................................................3Table of illustrations ..............................................................................................................................71 Study approach ..........................................................................................................................131.1 The main stages since the 30 December 1991 Act.........................................................141.2 Andra’s research programme on disposal in a granite formation ..............................151.2.1 A generic study approach......................................................................................151.2.2 The support of international co-operation and mobilisation of thenational scientific community...............................................................................151.3 Tome structure.................................................................................................................162 High-level and long-lived waste (HLLL waste) .......................................................................192.1 The production of HLLL waste, study scenarios..........................................................202.2 The study considers two waste categories and spent fuel.............................................222.2.1 High-level C waste (or vitrified waste).................................................................222.2.2 Intermediate-level long-lived B waste ..................................................................222.2.3 Spent fuel ..............................................................................................................232.3 The inventory model........................................................................................................232.3.1 Choice of reference packages, nomenclature used subsequently..........................242.3.2 Number and volume of primary packages considered..........................................273 Study for the design of a repository in a granite medium ......................................................293.1 Definition of the geological repository functions...........................................................303.1.1 Functional analysis: repository design is driven by safety....................................303.1.2 Long-term safety functions of a repository...........................................................303.1.3 Waste package reception function in a reversible disposal system.......................313.1.4 Safety approach during the construction-operation-closure phase .......................323.2 The granite medium.........................................................................................................333.2.1 Granite: its properties for radioactive waste disposal ...........................................333.2.2 Variability of granites within the French geological context................................373.3 General options for the design of a repository in a granite medium...........................413.3.1 Making the most of favourable granite properties ................................................423.3.2 Design of engineered components, complementary and redundant withthe granite medium for long-term safety...............................................................443.3.3 Limiting granite disturbances by the repository ...................................................453.3.4 Adaptation of design arrangements to long-term safety functions .......................463.3.5 Integrating reversibility.........................................................................................484 General architecture of the repository in a granite medium .................................................51Dossier 2005 granite - ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL REPOSITORY3/228
Page 4 and 5: Contents4.1 Surface installations..
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Page 13 and 14: 11Study approach1.1 The main stages
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5 - B waste repository zoneThis cha
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5 - B waste repository zoneproduced
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5 - B waste repository zone5.1.4 Ce
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5 - B waste repository zone5.2 Safe
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5 - B waste repository zoneOn the a
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5 - B waste repository zonePosition
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5 - B waste repository zoneDossier
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6 - C waste repository zone66 C was
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6 - C waste repository zoneA value
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6 - C waste repository zone6.6 Disp
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6 - C waste repository zoneCOMPONEN
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7 - Spent fuel repository zoneSpent
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7 - Spent fuel repository zoneMater
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7 - Spent fuel repository zone7.6 D
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88Conclusions8.1 Generic architectu
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8 - ConclusionsThe envisaged two-le
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Références bibliographiquesRefere
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Références bibliographiques[39] A
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Photo Credits:ANDRA - SKB - NAGRA -
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