• Retour à l'accueil
  • Implementing Geological Disposal of Radioactive Waste Technology Platform

Bandeau IGD-TP 2

JA2 : Full scale demonstration of Plugging & Sealing

SRA Key TopicSRA TopicSRA Topic priority
Technical feasibility and long-term performance of repository components (Topic 3 in the SRA)
  1. Full scale demonstration of plugging and sealing (Topic 3.6 in the SRA)
  2. Description of seals and plugs systems and modelling of their long-term behaviour, with assessment of the consequences on long-term safety (Topic 3.10 in the SRA)
  3. Salt backfill (Topic 3.14 in the SRA)
  1. High
  2. High
  3. Medium

Product

  1. Full scale demonstration of plugging and sealing

    After having produced technical design specifications of the sealing components, large scale tests in underground laboratories are envisaged both in crystalline and in clay environments. Individual tests will be performed on various Topics (construction of bentonite seals, construction of grooves filled with bentonite, performance tests...) prior to building a full demonstration experiment.

  2. Description of seals and plugs systems and modelling of their long-term behaviour, with assessment of the consequences on long-term safety

    The need for further work in the proposed priority areas discussed above is strongly linked to the specific repository design concept developed for a specific host rock environment, including consideration of the associated future possible evolutions of the backfilling and sealing systems. These aspects need to be considered carefully in the development of specific cooperative work.

  3. Salt backfill

    Crushed salt backfill takes an important barrier function in a salt repository in the long term. Laboratory investigations on the coupled behaviour of crushed salt will be performed and used to improve and calibrate modelling approaches and supply necessary material parameters, so that the confidence in long-term prediction is improved.

Explanation of the contents of the activity

  1. Full scale demonstration of plugging and sealing

    After having produced technical design specifications of the sealing components, large scale tests in underground laboratories are envisaged both in crystalline and in clay environments. Individual tests will be performed on various Topics (construction of bentonite seals, construction of grooves filled with bentonite, performance tests...) prior to building a full demonstration experiment.

  2. Description of seals and plugs systems and modelling of their long-term behaviour, with assessment of the consequences on long-term safety

    The need for further work in the proposed priority areas discussed above is strongly linked to the specific repository design concept developed for a specific host rock environment, including consideration of the associated future possible evolutions of the backfilling and sealing systems. These aspects need to be considered carefully in the development of specific cooperative work.

  3. Salt backfill

    Crushed salt backfill takes an important barrier function in a salt repository in the long term. Laboratory investigations on the coupled behaviour of crushed salt will be performed and used to improve and calibrate modelling approaches and supply necessary material parameters, so that the confidence in long-term prediction is improved.

Short description of activity

  1. Full scale demonstration of plugging and sealing

    After having produced technical design specifications of the sealing components, large scale tests in underground laboratories are envisaged both in crystalline and in clay environments. Individual tests will be performed on various Topics (construction of bentonite seals, construction of grooves filled with bentonite, performance tests...) prior to building a full demonstration experiment.

  2. Description of seals and plugs systems and modelling of their long-term behaviour, with assessment of the consequences on long-term safety

    The need for further work in the proposed priority areas discussed above is strongly linked to the specific repository design concept developed for a specific host rock environment, including consideration of the associated future possible evolutions of the backfilling and sealing systems. These aspects need to be considered carefully in the development of specific cooperative work.

  3. Salt backfill

    Crushed salt backfill takes an important barrier function in a salt repository in the long term. Laboratory investigations on the coupled behaviour of crushed salt will be performed and used to improve and calibrate modelling approaches and supply necessary material parameters, so that the confidence in long-term prediction is improved.

Executive Group