News about DOPAS Project
POPLU plug casted
The first full scale demonstration for a deposition tunnel plug in a future disposal facility for spent nuclear fuel is there
Extensive amount of planning, prestudies, budgeting,
design, modelling, laboratory work, facility tests, mock up tests,
underground testing, characterisation, geophysical studies, drilling, wedging
and grinding, measurements and analysis, laser scanning, sampling, method
descriptions, meetings, coordination, reporting, installation, monitoring,
underground construction activities and finally casting. The DOPAS
Experiment 4 POPLU deposition tunnel plug was casted in two phases: first
part in July 2015 and second part in September 2015. The monitoring of the plug
behaviour did start already prior casting activities and first results are
available. After grouting the contact between crystalline host rock and plug
the POPLU Experiment will be pressurised to study its behaviour at the depth of
420 metres below surface.
