Abstract: . . .  L. (1995). "Thermal Waters in Deep Alpine Tunnels." Geothermics 24(5/6): pp. 631-637. Rybach, L. and J. Wilhelm (2003). "The geothermal potential of Swiss Alpine tunnels." Geothermics 32: 557–568. Tautz, H. (1971). Wärmeleitung und Temperaturausgleich, . . .
. . .  operator and customer. Figure 1. Different types of geothermal absorbers for tunnelling applications. (top: Energy Piles; bottom: Energy Textile). [Source: Institute for Soil Mechanics and geotechnical engineering, Vienna University of Technology]. REFERENCES . . .
. . .  geothermal “plants” to produce thermal energy for nearby villages or residential areas. A research project at the department of railway engineering, transport economics and ropeways in cooperation with the institute for soil mechanics and geotechnical enginering . . .
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