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Sciences in Cold and Arid Regions ›› 2015, Vol. 7 ›› Issue (5): 632–636.doi: 10.3724/SP.J.1226.2015.00632

• ARTICLES • 上一篇    

Frost heaving in ballast railway tracks

Satoshi Akagawa1, Michiaki Hori2   

  1. 1. Cryosphere Engineering Laboratory, Hachioji, Tokyo, Japan
    2. Hokkaido Railway Campany, Sapporo, Japan
  • 收稿日期:2015-06-11 修回日期:2015-08-06 发布日期:2018-11-23
  • 通讯作者: Ph.D., Satoshi Akagawa, Cryosphere Engineering Laboratory, Hachioji, Tokyo, Japan. E-mail: akagawa@eng.hokudai.ac.jp E-mail:akagawa@eng.hokudai.ac.jp

Frost heaving in ballast railway tracks

Satoshi Akagawa1, Michiaki Hori2   

  1. 1. Cryosphere Engineering Laboratory, Hachioji, Tokyo, Japan
    2. Hokkaido Railway Campany, Sapporo, Japan
  • Received:2015-06-11 Revised:2015-08-06 Published:2018-11-23
  • Contact: Ph.D., Satoshi Akagawa, Cryosphere Engineering Laboratory, Hachioji, Tokyo, Japan. E-mail: akagawa@eng.hokudai.ac.jp E-mail:akagawa@eng.hokudai.ac.jp

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摘要： Frost heaving is a well-known phenomenon in cold regions, which may occur in wet clayey grounds during winter. Railway track upheaval occurring in cold regions during the winter is generally understood as frost heaving in the subgrade layer. However, it has been confirmed that upheaval due to frost heaving sometimes occurs in the ballast layer. This understanding has been observed in active railways in northern Japan. The samples collected from ballast and subgrade layers have been examined for frost heave susceptibilities and confirmed that ballast layers which contain fines may heave.

关键词: frost heaving, ballast layer, subgrade layer, railway track

Abstract: Frost heaving is a well-known phenomenon in cold regions, which may occur in wet clayey grounds during winter. Railway track upheaval occurring in cold regions during the winter is generally understood as frost heaving in the subgrade layer. However, it has been confirmed that upheaval due to frost heaving sometimes occurs in the ballast layer. This understanding has been observed in active railways in northern Japan. The samples collected from ballast and subgrade layers have been examined for frost heave susceptibilities and confirmed that ballast layers which contain fines may heave.

Key words: frost heaving, ballast layer, subgrade layer, railway track

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