List of products by author: K. Sugawara

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  Reinforcement Measures for Tunnels with Large Deformation

  Abstract: During excavation of the Matsukaya Tunnel in fragile pelitic schist, a horizontal displacement of up to 770 mm occurred on one sidewall, damaging the primary support and heaving the invert. To stabilize the tunnel during excavation and to prevent the deformation risk during service, the invert was reinforced with struts and the lining was fiber-reinforced. Moreover, a numerical analysis was...

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