RD&D-Programme 2004 - SKB

18.1.10 Swelling pressure 229
18.1.11 Smectite composition 229
18.1.12 Pore water composition 230
18.1.13 Impurity levels 230
18.2 Processes in the backfill 230
18.2.1 Overview of processes 230
18.2.2 Integrated studies – composition and function 230
18.2.3 Radiation attenuation/heat generation 233
18.2.4 Heat transport 233
18.2.5 Water transport under unsaturated conditions 233
18.2.6 Water transport under saturated conditions 234
18.2.7 Gas transport/dissolution 235
18.2.8 Swelling and compression 235
18.2.9 Mechanical interaction buffer/near-field rock 235
18.2.10 Thermal expansion 236
18.2.11 Advection 236
18.2.12 Diffusion 236
18.2.13 Osmosis 236
18.2.14 Ion exchange/sorption 237
18.2.15 Montmorillonite transformation 237
18.2.16 Dissolution/precipitation of impurities 238
18.2.17 Colloid release/erosion 238
18.2.18 Radiation-induced montmorillonite transformation 239
18.2.19 Radiolysis of pore water 239
18.2.20 Microbial processes 239
18.2.21 Radionuclide transport – advection 239
18.2.22 Radionuclide transport – diffusion 239
18.2.23 Radionuclide transport – sorption 240
18.2.24 Radionuclide transport – speciation of radionuclides 240
18.3 Integrated modelling – radionuclide transport in the near field 240
19 Geosphere 243
19.1 Initial state of the geosphere 243
19.2 Processes in the geosphere 243
19.2.1 Overview of processes 243
19.2.2 Heat transport 244
19.2.3 Groundwater flow 246
19.2.4 Gas flow/dissolution 249
19.2.5 Movements in intact rock 249
19.2.6 Thermal movement 251
19.2.7 Reactivation – movements along existing fractures 251
19.2.8 Fracturing 253
19.2.9 Time-dependent deformations 254
19.2.10 Erosion 255
19.2.11 Advection/mixing – groundwater chemistry 256
19.2.12 Advection/mixing – radionuclide transport 256
19.2.13 Diffusion – groundwater chemistry 258
19.2.14 Diffusion – radionuclide transport 258
19.2.15 Reactions with the rock – groundwater and rock matrix 260
19.2.16 Reactions with the rock – dissolution/precipitation of
fracture-filling minerals 260
19.2.17 Reactions with the rock – sorption of radionuclides 262
19.2.18 Microbial processes 264
19.2.19 Decomposition of inorganic engineering material 265
19.2.20 Colloid formation – colloids in groundwater 266
19.2.21 Colloid formation – radionuclide transport with colloids 266
14 RD&D-Programme 2004