The Socorridos pumping station and water storage tunnel are located at Madeira Island, Portugal, and are part of a system conceived to reutilize the water flow from the Socorridos hydroelectric plant. This facility includes an underground cavern with 26 m high, 12 m wide and 44 m length, and a tunnel 1250 m long with a storage capacity of 40,000 m3. The rock mass at the site is of volcanic origin with most of the excavation performed in a mass of volcanic breccia and basalts but with consolidated alluvia recent deposits located in the roof arch of the cavern. A description of the main characteristics of the project is presented and the results predicted by the design are compared with the values given by the instrumentation.
Socorridos Pumping Station and Water Storage Tunnel at Madeira Island
Brito, J.M. , Rosa, S.P.P. , Santos, J. , Sousa, J.A. , and A. Pedro. "Socorridos Pumping Station and Water Storage Tunnel at Madeira Island." Paper presented at the ISRM International Workshop on Rock Mechanics and Geoengineering in Volcanic Environments, Puerto de la Cruz, Spain, May 2010.
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