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List of products by author: P. Perazzelli
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Failure modes of the steel lining of underground reservoirs for compressed air energy storage (CAES)
Abstract: Compressed air energy storage (CAES) in caverns, shafts or tunnels makes use of the high resistance of the surrounding rock mass to the gas pressure. A lined rock cavern (LRC) is the most attractive concept. The gas pressure is borne by the rock, while the tightness of the system is guaranteed by a composite lining consisting of an inner thin steel shell and an outer reinforced concrete shell....
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Key design issues of lined tunnels and shafts used for compressed air energy storage
Abstract: Energy storage is of growing importance due the increasing exploitation of renewable energy sources of an intermittent nature. Compressed air energy storage (CAES) plants represent an alternative to pumped-storage reservoirs for storing large quantities of energy. The peculiarity of CAES is that gas must be stored under a high pressure (up to 30 MPa) in order to achieve the necessary...
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The Three Rivers Protection and Overflow Reduction Tunnel (3RPORT) - Slurry TBM operation in difficult ground conditions
Abstract: The 3RPORT tunnel is part of the Long-Term Control Plan (LTCP) of the City of Fort Wayne (Indiana, USA) having the main goal to reduce the discharge of untreated Combined Sewer Overflows (CSOs) and improve water quality in Fort Wayne’s CSOimpacted streams. The tunnel will have a length of about 7.5 km, an internal diameter of 4.87 m, and is excavated by means of a slurry TBM. The tunnel is...
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Tunnelling induced settlements in saturated soils under partially drained conditions
Abstract: The present paper investigates the effect of the consolidation process on surface settlements developing during on-going tunnel advance or during standstills in water bearing ground. Comparative coupled hydro-mechanical analyses of 3D tunnel models have been performed for the paper. The results illustrate how surface settlements are affected by the advance rate, lining permeability and (for...
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