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List of products by author: T. Suzuki
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A Risk Exposure Method of Tunnel Management for Expressways
Abstract: Expressway tunnel has aged routes of no less than 35 years old. With the ageing of these, deterioration and damage of their structures and facilities have become apparent. Expressway are the most important arterial roads in Japan, and therefore, maintenance of good service levels will continue to be required in the future. For tunnels, as shown in the figure and the table, there exist...
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A study on the trend of the deformation that has occurred in the railway tunnel
Abstract: Tunnel constructed more than 50 years ago is over 50 percent out of railway tunnel owned by our company at present, and also the ratio will be over 90 percent in 20 years later. It is expected that the numbers of engineers decrease under the influence of the declining birthrate in the future, and also the number of aged tunnels increase. And therefore, efficient inspection and maintenance will...
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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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