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List of products by author: K. Mizuno
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Effectiveness of Countermeasures against Earth Pressure of Mountain Railway
Abstract: ABSTRACT: Mountain tunnels are sometimes subject to deformation caused by post-construction earth pressure. Defects such as cracks, or deformation of tunnel lining may occur depending on the structural properties of the tunnel or surrounding geological characteristics. In such cases, countermeasures for tunnels in service need to be carried out against earth pressure. This paper outlines the...
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Investigations into Heaving of Railway Roadbed in Mountain Tunnels and Effect of Countermeasure Work
Abstract: This paper outlines long-term investigations on heaving in railway roadbeds as seen in mountain tunnels and effectiveness of countermeasures. Roadbed heaving and track upheaval have been confirmed in certain tunnels. The heaving did not stop despite track maintenance intended to mitigate it. Furthermore, heaving tended to progress at specific locations. Through detailed and long-term...
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Study on Damage to Railroad Mountain Tunnel Caused by Earthquake and Seismic Retrofit of Shinkansen Tunnel
Abstract: This paper outlines seismic damage to tunnels and seismic retrofit to prevent heavy seismic damage to mountain tunnels. Some tunnels had suffered heavy seismic damage from earthquakes in 2004 and 2007. Through detailed investigation of tunnels and ground properties around tunnels, authors confirmed the cause of the seismic damage. And, based on the damage analysis, authors categorized the...
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