Architecture and management of a geological repository - Andra

C.RP.ADP.04.000115/495Figure 5.3.9Figure 5.3.10Yucca Mountain project disposal concept (USA)...............................................238Longitudinal section through CU 1 cell..............................................................239Figure 5.3.11 Transverse sections through CU1 spent fuel cells ..............................................240Figure 5.3.12Figure 5.3.13Internal equipment of the CU1 sleeve.................................................................241Access drift for type CU1 or CU2 spent fuel......................................................242Figure 5.3.14 Longitudinal section through type CU1 and CU2 cells ......................................245Figure 5.3.15 Clay buffer wall temperature for spent fuels ......................................................245Figure 5.3.16 Cutting wheel (cutters pivoted) being retracted inside the lining .......................246Figure 5.3.17Thrust frame in the access drift (difficult case of an access drift without apositioning chamber) ..........................................................................................247Figure 5.3.18 Fitting buffer rings using an air cushion .............................................................248Figure 5.3.19 Procedure for removing the sleeve and simultaneously fitting the swellingclay plug..............................................................................................................249Figure 5.3.20 General layout of type CU1 working unit...........................................................250Figure 6.2.1 General organization of the repository................................................................259Figure 6.2.2 Layout of B repository zone ...............................................................................261Figure 6.2.3 Layout of a C (or spent fuel) repository zone .....................................................262Figure 6.2.4 Perspective view of the WIPP underground repository ......................................263Figure 6.3.1 Distance between structures, "firm band" effect.................................................264Figure 6.3.2 Horizontal evolution of the temperatures in the c waste repository zone,(scenario s1a, disposal of the waste after 60 to 70 years of temporarystorage)................................................................................................................265Figure 6.3.3 Vertical evolution of temperatures around the c waste repository modules .......265Figure 6.3.4 Increase in temperature in a cell of B2.1-type waste as a function of time ........266Figure 6.3.5 Dead end type tree architecture...........................................................................269Figure 6.3.6 Shaft layout and flow limitation..........................................................................270Figure 6.4.1 Separation of operation and construction circuits...............................................271Figure 6.4.2 Construction and operation phases of a c waste repository ................................272Figure 6.4.3 Block diagram of broken rock transportation .....................................................273Figure 6.4.4 Operating principle of ventilation with air exhaust in a duct..............................274Figure 6.4.5 Operating principle of a smoke removal duct.....................................................274Figure 6.4.6 Ventilation principle ...........................................................................................275Figure 6.4.7 Ventilation organisation (Example of scenario) .................................................276Figure 6.4.8 Ventilation of the B waste repository zone.........................................................277Figure 6.4.9 Ventilation of the C waste repository zone.........................................................278Figure 6.5.1 Main infrastructure of a B waste repository zone ...............................................280Figure 6.5.2 Secondary infrastructure of a C waste repository zone.......................................280Figure 6.6.1 Architecture principle for the scenario S1a.........................................................282Figure 6.6.2 Breakdown of the excavated volumes in the scenario S1a .................................283Figure 6.6.3 Possible adaptation of the architectures to the various study scenarios.............284Figure 6.6.4 Adaptation of the architecture to spent fuels CU3..............................................285DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM15/495