Architecture and management of a geological repository - Andra

C.RP.ADP.04.000113/495Figure 4.3.8 Spent fuel package temperature evolutions over time ........................................151Figure 4.3.9Placement in cell of a large diameter package using an air cushion...................153Figure 4.3.10 The two versions of large diameter container with cylindrical and squareemplacements......................................................................................................154Figure 4.3.11 Manufacturing stages of shell in non-alloy steel ................................................154Figure 4.3.12 Preparation for insert casting ..............................................................................155Figure 4.3.13 Insert casting .......................................................................................................155Figure 4.3.14 Dimensional inspections .....................................................................................156Figure 4.3.15 polished cross-section of a sample taken from an overlying zone.....................157Figure 5.1.1 Tunnel with horizontal guide tubes.....................................................................165Figure 5.1.2 Cavity with vertical guide tubes..........................................................................165Figure 5.1.3 Tunnel for parallelepipedic disposal packages (horizontal handling).................165Figure 5.1.4 Tunnel for parallelepipedic disposal packages (vertical handling).....................165Figure 5.1.5 B waste disposal cell in operating configuration ................................................166Figure 5.1.6 Sealed B waste disposal cell ...............................................................................166Figure 5.1.7 Diagram of the concept adopted by NAGRA (Switzerland) .............................170Figure 5.1.8 Diagram of the concept adopted by ONDRAF (Belgium)..................................170Figure 5.1.9 Diagram of the concept adopted by JNC (Japan) on a sedimentary site............171Figure 5.1.10 Diagram of the disposal concept adopted by DBE (Germany) at the Konradsite.......................................................................................................................171Figure 5.1.11 B cell in operation...............................................................................................172Figure 5.1.12 Main section of a B cell ......................................................................................173Figure 5.1.13 Structural ring and filler concrete .......................................................................174Figure 5.1.14 Longitudinal and cross section of the cell end....................................................174Figure 5.1.15 Arrangement of packages in the cell...................................................................175Figure 5.1.16 B cell airlock.......................................................................................................176Figure 5.1.17 Cross-section through the B cell and the access drift after sealing.....................176Figure 5.1.18 Temperature in a cell of B5 .2 type packages placed at 10 years, withouttaking ventilation into account............................................................................177Figure 5.1.19 Change in the loading of the lining as a function of time ...................................180Figure 5.1.20 Ventilation of the B cell pending sealing............................................................182Figure 5.1.21 Cell cross-sections ..............................................................................................183Figure 5.1.22 Examples of roadheader and bolting jumbo .......................................................184Figure 5.1.23 Excavation and support of a B cell in two phases...............................................186Figure 5.1.24 Mobile formwork for tunnel ...............................................................................187Figure 5.1.25 Schematic diagram of cell closure ......................................................................188Figure 5.1.26 Radiological protection shield (plan view) .........................................................189Figure 5.2.1 C waste cell concepts (shaft or tunnel, with or without engineered claybarrier) ................................................................................................................194Figure 5.2.2 C waste disposal cell: main components and associated functions (at top,cell in operation, at bottom, sealed cell) .............................................................196DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM13/495