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Gas Migration in EBS and Geosphere (GMT) - Removal of Layers 6-5

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Layer 6 and layer 5 were the bottom layers of the silo to be excavated.

Due to space limitations the excavation of the sand/bentonite was more difficult in the lower areas and excavation techniques had to be adapted to take account of the reduced space.


Core sampling from the bottom layers. In photo: GTS site manager Toni Bär

 

 

GMT Video

GTS GMT Silo ConstructionGMT Video
A collection of videos documenting the excavation, construction and sealing of the GMT Silo.

The GTS underground facilities are also available to interested 3rd parties for underground testing and research. The GTS offers cost-effective access to a fully developed, well characterised underground research facility with round the year logistical support - please contact Dr. Ingo Blechschmidt, Head of the Grimsel Test Site, for further details.