The Federal Technical Institute of Zurich (ETHZ) says the facilities – situated in a disused access tunnel of the Matterhorn Gotthard railways in the Bedretto Valley – are a world first.
In cooperation with national and international partners, the ETHZ has installed seven additional seismic stations in and around the rock laboratory.
The Bedretto project wants to show that the construction of a heat exchanger that is sustainable over several decades can be planned and controlled with the aid of hydraulic stimulation processes, according to the promoters.
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