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Construction feasibility of the supercontainer Future perspectives Lou Areias ESV EURIDICE GIE

13 th Exchange Meeting The role of cementitious materials for deep disposal of high-level waste in Boom Clay. Construction feasibility of the supercontainer Future perspectives Lou Areias ESV EURIDICE GIE Mol, 29 January 2009. Outline. Introduction Objectives

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Construction feasibility of the supercontainer Future perspectives Lou Areias ESV EURIDICE GIE

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  1. 13th Exchange MeetingThe role of cementitious materials for deep disposal of high-level waste in Boom Clay Construction feasibility of the supercontainer Future perspectives Lou Areias ESV EURIDICE GIE Mol, 29 January 2009

  2. Outline • Introduction • Objectives • Experimental program [filler & SC] 13th Exchange Meeting 29 January, 2009

  3. Introduction Experimental programme • WP3: reduced-scale tests • WP6: large-scale tests • WP7: demonstration [prototype] 13th Exchange Meeting 29 January, 2009

  4. Experimental SC programme WP1: Concrete lab testing • Galson study WP2 : Test of fabrication methods WP3: Reduced-scale testing Design and manufacturing specification WP4: Crack behavior modeling WP6: Large-scale testing WP7: Supercontainer prototype WP5: Half-scale testing 1st phase for modeling validation 13th Exchange Meeting 29 January, 2009

  5. Demonstrate feasibility of construction of all components of the supercontainer Objectives 13th Exchange Meeting 29 January, 2009

  6. Laboratory Physical and characterization properties Reduced-scale tests Filler [adhesion, temperature, workability and curing] Full-scale demonstration Installation of filler Construction of cover Prototype model construction of the SC Experimental programme 13th Exchange Meeting 29 January, 2009

  7. Hot cell Phase 1: buffer construction in ‘conventional’ workshop Phase 2: Overpack insertion Phase 4: closing lid emplacement + closing envelope (if present) Phase 3: Filler emplacement Experimental programme[filler & lid] 13th Exchange Meeting 29 January, 2009

  8. 3 fillers / 2 temperatures 65 & 95 oC Filler 1 [same composition as buffer but smaller size aggregate] Filler 2 [same as Filler 1 but contains swelling additive] Filler 3 [new filler type to be developed] Filler[reduce-scale tests] 13th Exchange Meeting 29 January, 2009

  9. Filler tests [Cells 1-7] 13th Exchange Meeting 29 January, 2009

  10. Filler tests [instrumentation] 13th Exchange Meeting 29 January, 2009

  11. Hot cell Phase 1: buffer construction in ‘conventional’ workshop Phase 2: Overpack insertion Phase 4: closing lid emplacement + closing envelope (if present) Phase 3: Filler emplacement Full-scale tests 13th Exchange Meeting 29 January, 2009

  12. Concrete lid • 3 options envisaged • Casted concrete lid • Pre-casted and bolted concrete lid • Mixed pre-casted piece (metallic + concrete) + casted joint (prefered option) 13th Exchange Meeting 29 January, 2009

  13. Planning & concluding remarks • Materials & instrumentation • Ordered and waiting delivery • Assemblage & testing • March/april 2009 13th Exchange Meeting 29 January, 2009

  14. End slide Thank you! 13th Exchange Meeting 29 January, 2009

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