An example of landslide-inflicted damage to tunnel in the 2004 Mid-Niigata Prefecture earthquake

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• 作者：Kazuo Konagai konagai@iis.u-tokyo.ac.jp
  Muneyoshi Numada
  Athanasios Zafeirakos
  J枚rgen Johansson
  Amir Sadr
  Toshihiko Katagiri
• 关键词：Earthquake ; induced landslides ; Tunnel ; Mid ; Niigata prefecture earthquake
• 刊名：Landslides
• 出版时间：July 2005
• 出版年：2005
• 期刊代码：76_1612-5118
• 类别：ear
• 卷：2
• 期：2
• 页码：159-163
• 数据来源：sp

摘要

A large number of landslides induced by the 2004 Mid Niigata Prefecture earthquake resulted in the closure of 233 segments of national and prefectural routes in Higashiyama mountain district, and 61 localities were completely isolated. Since railway and road facilities follow closely the motion of soils, damage to these facilities has to be discussed in terms of soil deformations that they experienced. The example of Kizawa tunnel shows that even relatively small soil deformations can be large enough to cause serious cracking of tunnel lining.