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Fig. 4 | Geothermal Energy

Fig. 4

From: The influence of hydrothermal brine on the short-term strength and elastic modulus of sandstones from exploration well EPS-1 at Soultz-sous-Forêts (France)

Fig. 4

a Schematic diagram showing the uniaxial compression apparatus used in the study (modified from Heap et al. 2014). b Photograph of the uniaxial compression apparatus used in the study (showing a sample of 540 deformed under water-saturated conditions). For the water- and brine-saturated experiments, the perspex casing is filled with deionised water and hydrothermal brine, respectively

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