1. FP7-Fission LUCOEX Large Underground Concept EXperiments 2011 - 2014 Project Progress Meeting 14th May 2014 WP5 Problem handling tools for buffer installation in KBS-3V Keijo Haapala

2. LOT3: Problem handling tools. What is needed if the bentonite block falls to the deposition hole during the installation? The broken blocks must be taken quickly out from the hole. The weight of the blocks are from 1.8 to 3.5 tons. 14th May 20142Haapala Keijo

3. LOT3: Problem handling tools. The work can be devided in two parts. Before canister installation After canister Big parts can be lifted by vacuum griper. 14th May 20143Haapala Keijo

4. LOT3: Problem handling tools. Before canister Repairing work by ”A man in the hole”. Lifting and cleaning buffer parts out from the hole Some fixing accessories has been tested Nylon Frame Plug Throughbolts. 14th May 20144Haapala Keijo

5. TESTING OF FIXING TOOLS Testing of tension and shear force of different fixing accessories in bentonite blocks has tested in Tampere university. Test blocks used in the tests Material MX-80 L x W x H: 400 x 300 x 250 mm3 Isostatically pressed 43 MPa, dry density 1742 kg/m3 14th May 20145 Blocks Vaterc ratio (weight-%) 116,5 216,7 316,2 417,1 Haapala Keijo

6. TESTING OF TROUGH BOLT (1) 14th May 20146 FBN 8/50, D8 – 85/111 MM, AXIAL FORCE Koe Murtovoima F max (kN) Murtosiirtymä s murto (mm)F keskiarvo (kN) Keskihajonta s x (kN) Koelohko 11,111,11 20,961,191,140,201 31,3611,81 Haapala Keijo

7. TESTING OF TROUGH BOLT (1) 14th May 20147 FBN 8/50, D8 – 85/111 MM, SHEAR FORCE Haapala Keijo

8. TESTING OF TROUGH BOLT (2) 14th May 20148 D10 – 75/92 MM, AXIAL FORCE Haapala Keijo

9. TESTING OF TROUGH BOLT (3) 14th May 20149 PFG 8/85 (12.5 - 65 MM) AXIAL FORCE Koe Murtovoima F max (kN) Murtosiirtymä s murto (mm)F keskiarvo (kN) Keskihajonta s x (kN) Koelohko 11,594,52 21,692,61,710,1192 31,8310,82 Haapala Keijo

10. TESTING OF TROUGH BOLT (3) 14th May 201410 PFG D8 – 85 (12.5 - 65 MM) SHEAR FORCE Haapala Keijo

11. TESTING OF PLASTIC PLUG (4) 14th May 201411 Plastic plug HD82 – 7/105 (9 – 85 MM) AXIAL FORCE Koe Murtovoima F max (kN) Murtosiirtymä s murto (mm)F keskiarvo (kN) Keskihajonta s x (kN) Koelohko 12,362,02 21,912,42,200,252 32,332,52 Haapala Keijo

12. TESTING OF PLASTIC PLUG (4) 14th May 201412 Plastic plug HD82 – 7/105 (9 – 85 MM) SHEAR FORCE K Koe Murtovoima V max (kN) Murtosiirtymä s murto (mm)V keskiarvo (kN) Keskihajonta s x (kN) Koelohko 15,1420,81 25,4829,35,220,2251 35,0515,92 Haapala Keijo

13. TESTING OF HEAVY TROUGH BOLT (5) 14th May 201413 PGF D12 – 112 MM (11 - 98 MM) AXIAL FORCE Koe Murtovoima F max (kN) Murtosiirtymä s murto (mm)F keskiarvo (kN) Keskihajonta s x (kN) Koelohko 13,1913,53 22,766,12,970,0964 Haapala Keijo

14. TESTING OF HEAVY TROUGH BOLT (5) 14th May 201414 PGF D12 – 112 MM (11 - 98 MM) SHEAR FORCE Haapala Keijo

15. LOT3: Problem handling tools. After canister Repairing work by ”No one in the hole” because of radiation. Possible to use remotely the same tools as ”Before Canister” situation Demonstrations will be done manually. 14th May 201415Haapala Keijo

16. LOT3: Problem handling tools. After canister If it is needed to clear out the hole buffer, and be carefull with copper canister? -> Water jet cutting. 14th May 201416Haapala Keijo

17. WATER JET CUTTING TOOL 14th May 201417Haapala Keijo

18. WATER JET CUTTING TOOL 14th May 201418Haapala Keijo

19. 14th May 201419Haapala Keijo