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Energy geostructures  57


































                   Figure 2.21 Monthly energy and outside temperature associated with the energy operation at
                   the Taborstraße station. Redrawn after Widerin, B., 2011. Thermiche Nutzung von Verkehrsbauwerken,
                   p. 16.




























                   Figure 2.22 Monthly energy and fluid temperature associated with the cooling operation at the
                   Taborstraße station. Redrawn after Brandl, H., 2006. Energy foundations and other thermo-active
                   ground structures. Geotechnique 56(2), 81 122.
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