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heave and subsidence

Man-made changes in the subsurface might cause unwanted heave or subsidence of the terrain. Our fully coupled thermo-hydro-mechanical simulations can predict the deformation of the terrain, indicating damage to construction.

Using the most highly defined subsurface and topography models possible, we simulate the surface displacement caused by subsurface geo-energy operations. We take into account coupled thermal, hydraulic, and mechanical effects, resulting in a fully coupled multiphysics assessment of the surface displacement caused by the subsurface operations. The resulting heave and subsidence estimates have a high spatial resolution and can be used for the detailed analysis of potential damage to surface structures.
We offer multi-scenario workflows assessing the uncertainties of the encountered petrophysical properties. By varying the operational setup (e.g. temperatures, volume rates, injection and extraction locations) we find ways to minimize the effect of the subsurface operations on the surface and to mitigate the risk affecting surface structures such as buildings.

outcome

  • heave and subsidence estimates of the surface
  • estimation of damage to existing buildings
  • different scenarios to minimize influence on buildings

selected references

Stadtwerke Bochum (Germany), Fundament-Projekt Energy 1 "Smart Solar Geothermal Energy Grid Ruhr (GeoSmaGriR)".
GEOMECON GmbH

 Reuchlinstr. 10
 10553 Berlin
 Germany

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phone +49 30 28097973
email solutions@geomecon.de
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