Preliminary Test for "Water Stoppage Method" by Grouting into the Vent Pipe (movie 2)
CONTAINMENT SHELLS
Preliminary Test for "Water Stoppage Method" by Grouting into the Vent Pipe (movie 1)
Toshiba staff checking the grouting
Bottom head of testing device (vent header partially simulated from the both side of vent pipe)
Checking status of water stop material piled up
Simulated portion of vent header for testing device (after placing water stop material)
Checking piling up status of water stop material, as viewed from monitoring window on the testing device.
Grouting construction (placing by the tremie method)