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Abstract: Energy geo-structures such as piles, diaphragm walls, tunnel linings and anchors are rapidly spreading in Europe and all around the world. They differ from traditional geotechnical infrastructures because they are equipped with absorber pipes. The working fluid circulating in the pipes extracts or injects heat into the ground depending on the season in order to heat or cool, respectively, the...
Abstract: Underground geotechnical structures (piles, diaphragm walls, tunnel linings, anchors, etc.) can be instrumented to become energy geo-structures. This paper focuses on the use of energy tunnels, which are shown to have a number of advantages. An example of a possible application to the Turin Metro line 1 South Extension is discussed. Preliminary results of numerical analyses,...
Abstract: Swelling of rocks is a common phenomenon in the Andean Region, due to the presence of volcano-sedimentary units containing clays, typically from the smectite group as part of the rock matrix. Hence, a comprehensive rock mass characterization has to be made in order to evaluate the risk of underground works located in this kind of geological environment....