List of products by author: A. Zimbaldi

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  Copenhagen Cityringen Metro: EPB-TBM head pressure definition

  Abstract: The paper describes a relevant design aspect for the Copenhagen Cityringen Metro Line, which consists of two single-track tunnels, each approximately 16 km in length, 17 underground stations, 3 construction and ventilation shafts and an access ramp. The tunnels, 5.8 m in diameter, are excavated by using four EPB TBMs; the tunnel lining is composed by 5+1 r.c. segments, 1.4 m long and 0.3 m...

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