Architecture and management of a geological repository - Andra

C.RP.ADP.04.000111/495Table of illustrationsFiguresFigure 1.1.1 General structure of the Dossier 2005 Argile .......................................................25Figure 1.3.1The iterative study process....................................................................................27Figure 2.2.1 Safety functions over time ....................................................................................36Figure 2.3.1 Geological map of the Meuse/Haute-Marne sector ..............................................43Figure 2.3.2 3D geological block diagram of the Meuse/Haute-Marne sector .........................45Figure 2.3.3Geological cross-section at the site of the underground research laboratory........46Figure 2.3.4 Entrance to the Chamoise tunnel (left, tube under construction; centre,exploratory drift; right, tube in operation) ............................................................49Figure 2.3.5 View of the Meuse/Haute-Marne underground research laboratory drift at-445 m...................................................................................................................50Figure 2.4.1 View of a repository architecture in operation......................................................54Figure 2.4.2 Positioning of the repository in the layer. For illustration purposes, thedepth and thickness of the clay formation correspond to the location of theunderground research laboratory. .........................................................................55Figure 2.4.3 Principle of a series of dead-end cells...................................................................57Figure 2.4.4 B waste disposal cell in operation.........................................................................60Figure 2.4.5 Sealed B waste disposal cell .................................................................................61Figure 2.4.6 Vitrified C waste disposal cell ..............................................................................62Figure 2.4.7 Sealed C waste disposal cell .................................................................................62Figure 2.4.8 Spent fuel (UOX or MOX) disposal cell in operation ..........................................64Figure 2.4.9 Sealed spent fuel disposal cell ..............................................................................65Figure 2.4.10 Organisation of the B waste repository zone ........................................................66Figure 2.4.11 C waste (or spent fuel) repository module ............................................................67Figure 2.5.1 Overview of operation and closure .......................................................................70Figure 3.2.1 PWR fuel assembly with its rods ..........................................................................77Figure 3.2.2 Standard compacted waste containers (CSD-C) ...................................................78Figure 3.2.3 STE3/STE2 and STEL stainless steel drums ........................................................79Figure 3.2.4 Stainless steel drum used as overdrum for primary non-alloy steel drums...........80Figure 3.2.5 Non-alloy steel container used as overdrum for 1000-litre concretecontainers ..............................................................................................................81Figure 3.2.6 Cylindrical fibre-reinforced concrete container (CBF-C’2) .................................81Figure 3.2.7 Non-alloy steel container used as overdrum for 1800-litre concretecontainers ..............................................................................................................82Figure 3.2.8 500-litre concrete container ..................................................................................82Figure 3.2.9 EIP stainless steel drum ........................................................................................83Figure 3.2.10 500-litre stainless steel container ..........................................................................84Figure 3.2.11 870-litre non-alloy steel container ........................................................................84Figure 3.2.12 Changes in residual heat rating in cladding waste primary packages fromPWR UOX, enriched recycled uranium and MOX fuels......................................86DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM11/495