Branch pipes to collect sample for quality control test during grouting and material storage facility
CORE FLOODING SYSTEMS
Simulated portion of vent header for testing device (when water leaks)
Inflatable bag expanding around the interference, and water leaking from the gap, as viewed from vent header.
Close view of simulated portion of vent header for testing device (tanks for storage and measurement of water leakage)
Simulated portion of vent header for testing device (tanks for storage and measurement of water leakage)
Installation of a camera to the testing device for recording/observing
Complete view of testing device for water stoppage method by grouting inside the vent pipe_No.2