A new technique for shotcreting the replacement plug for FEBEX II went through some successful trials before being used in the FEBEX experiment. The technique involves spraying a specialised concrete mixture over the existing bentonite.
Trials of the new technique of shotcreting |
Spraying the specialised concrete mixture over the bentonite |
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View of the final plug |
A closer view of the final plug |
Full-scale High Level Waste Engineered Barriers (FEBEX) - Excavation Phase