Experiment 3. DOMPLU
Dome Plug Experiment or DOMPLU is a full-scale deposition tunnel end plug demonstration at Äspö Hard Rock Laboratory (-460 m) conducted by SKB and Posiva.
Diameter of the tunnel is 5.5 m and diameter of the plug is 9 m at centre of abutment for concrete dome.
Mechanically strong dome shaped plug without reinforcement has been designed during 2011 and field work was initiated 2012 and the plug construction was in Spring 2013.
The monitoring part of the Experiment belongs to the DOPAS project and was initiated 2012. The concrete part of the plug was equipped with 56 sensors and filter and seal layers with backfill includes 47 sensors. The pressure testing starts during summer 2013.
This Poster can be seen at DOMPLU site and informs visitors about Experiment details.