Book cover for Ground Anchorages and Anchored Structures in Service 2007: Proceedings of the two day international conference organised by the Institution of Civil Engineers and held in London on 26 and 27 November 2007
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Ground Anchorages and Anchored Structures in Service 2007: Proceedings of the two day international conference organised by the Institution of Civil Engineers and held in London on 26 and 27 November 2007
Edited by
Stuart Littlejohn
Stuart Littlejohn
University of Bradford
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Author and Other Information
Emerald Publishing Limited
DOI:
https://doi.org/10.1680/gaaasis.35614
ISBN print:
978-0-7277-3923-0
Publication date:
2007
Book Chapter

Anchored Slope Monitoring and Test for Periodic Inspection in Japanese Expressways

By
Katsumi Okubo;
Katsumi Okubo
1NEXCO Expressway Research institute and
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Masaru Takemoto;
Masaru Takemoto
1NEXCO Expressway Research institute and
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Hiroshi Yamada
Hiroshi Yamada
2Nittoc Construction Co., Ltd, Sapporo, JAPAN
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Author and Other Information
Katsumi Okubo
1NEXCO Expressway Research institute and
Masaru Takemoto
1NEXCO Expressway Research institute and
Hiroshi Yamada
2Nittoc Construction Co., Ltd, Sapporo, JAPAN
Doi:
https://doi.org/10.1680/gaaasis.35614.0011
  • Published:
    2007

Ground anchors and retraining piles have been installed on cut slopes on expressways in Japan to ensure slope stability. Ground anchors have been adopted on numerous slopes because of the ease of construction and short construction period required. Some of the ground anchors were constructed some time ago and have been in service for approximately 40 years. Some have fractured and are no longer functional as originally intended due to deterioration or ground deformation.

  • Objective

  • Inspection method

  • Anchor integrity evaluation

  • A new load measurement method

  • Method of dynamic slope monitoring

  • Summary

  • Closing remark

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