地下水の上昇に対する地下駅の対策工事(<小特集テーマ>都市における地盤工学的問題 : 都市の再生と開発)

概要

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East Japan Railway Company (JR East) possesses underground structures such as tunnels and underground stations, which are the part of the important railroad infrastructure in the Tokyo Metropolitan Area. We have been making efforts to maintain them. Since the level of the confined groundwater rises in recent years, we need to take measures to prevent the float or the collapse of these underground structures in addition to the usual maintenance. These structures were designed on the assumption that the level of the groundwater might not rise extraordinarily. This paper shows the vertical ground anchor method applied to the Ueno underground station of the Tohoku Shinkansen as one of the measures to the rise of the confined groundwater.
社団法人地盤工学会の論文
2005-10-01