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Development of simpleand low-cost early warning system for landslides due to heavy rainfall based on sensing water contents and tilting

Research Project

Project/Area Number 19686031
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Geotechnical engineering
Research InstitutionThe University of Tokyo

Principal Investigator

UCHIMURA Taro  The University of Tokyo, 大学院・工学系研究科, 准教授 (60292885)

Research Collaborator TOWHATA Ikuo  東京大学, 大学院・工学系研究科, 教授 (20155500)
YAMADA Suguru  東京大学, 大学院・工学系研究科, 助教 (70451789)
WANG Lin  中央開発株式会社, 課長
SEKO Ichiro  中央開発株式会社, 代表取締役
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Fiscal Year 2008: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Fiscal Year 2007: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000)
Keywords斜面 / 表層崩壊 / 斜面災害 / 防災対策 / 警報システム / 表層すべり / 自然災害 / 土砂災害 / 防災 / モニタリング / 無線通信 / センサー / MEMS / 傾斜計
Research Abstract

豪雨による斜面災害の予兆を捉えて早期警報を発するために、計測項目を斜面の土壌水分量と傾斜変位に絞って、安価で簡便なモニタリング装置を開発した。電源供給や配線のコストと手間を省くために、完全にワイヤレス化し、データ通信は無線で行い、消費電力も削減を重ねて乾電池で1〜3年間動作するものとし、かつ600mの通信距離をもつセンサーユニットを開発した。大型模型実験や実斜面での検証実験を行い、信頼線、耐久性を確認した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (16 results)

All 2009 2008 2007

All Presentation (11 results) Patent(Industrial Property Rights) (5 results)

  • [Presentation] Development of Low-cost Early Warning System of Slope Instability for Civilian Use2009

    • Author(s)
      Uchimura, T., Towhata, I., Wang., L. and Seko, I.
    • Organizer
      Proc. of ISSMGE (to appear)
    • Place of Presentation
      アレキサンドリア
    • Year and Date
      2009-10-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Simple and Low-Cost Wireless Monitoring Units for Slope Failure2008

    • Author(s)
      Uchimura, T., Towhata, I., Wang., L. and Seko, I.
    • Organizer
      The First World Landslide Forum, International Consortium on Landslides(ICL)
    • Place of Presentation
      東京
    • Year and Date
      2008-12-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] Simple and Low-Cost Wireless Monitoring Units for Slope Failure2008

    • Author(s)
      Uchimura, T., Towhata, T., Wang., L. and Seko, I.
    • Organizer
      Proc. of the First World Landslide Forum, International Consortium on Landslides (ICL)
    • Place of Presentation
      東京
    • Year and Date
      2008-11-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Influence of Rainfall in the Behavior of Residual Soils2008

    • Author(s)
      Carlos Jose Bacca Bautista, Taro Uchimura, Jon Fukuda and Wang Lin
    • Organizer
      Proc. of the First World Landslide Forum, International Consortium on Landslides (ICL)
    • Place of Presentation
      東京
    • Year and Date
      2008-11-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Simple and Low-Cost Early Warning System for Slope Failure due to Rainfall and Erosion2008

    • Author(s)
      Uchimura, T., Towhata, I., Wang., L. and Seko, I.
    • Organizer
      The 4th International Conference on Scour and Erosion(ISCE-4)
    • Place of Presentation
      東京
    • Year and Date
      2008-11-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] Simple and Low-Cost Early Warning System for Slope Failure due to Rainfall and Erosion2008

    • Author(s)
      Uchimura, T., Towhata, I., Wang., L. and Seko, I.
    • Organizer
      Proc. of the 4th International Conference on Scour and Erosion (TSCE-4)
    • Place of Presentation
      東京
    • Year and Date
      2008-10-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Simple and Low-Cost Wireless Monitoring Units for Slope Failure2008

    • Author(s)
      Uchimura, T., Towhata, I., Wang., L. and Seko, I.
    • Organizer
      Japan-Egypt Joint Symposium "New Horizons in Geotechnical and Geoenvironmental Engineering Geotechnical Engineering Research Laboratory
    • Place of Presentation
      タンタ
    • Year and Date
      2008-09-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Simple and Low-Cost Early Warning System for Slope Failure due to Rainfall and Erosion2008

    • Author(s)
      Uchimura, T., Towhata, I., Wang., L. and Seko, I.
    • Organizer
      Japan-Egypt Joint symposium, "New Horizons in Geotechnical and Geoenvironmental Engineering Geotechnical Engineering Research Laboratory
    • Place of Presentation
      エジプト・タンタ
    • Year and Date
      2008-09-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] 降雨時の常時計測による斜面の水理特性の評価2008

    • Author(s)
      生川寛之・福田穣・内村太郎
    • Organizer
      第43回地盤工学研究発表会発表講演集
    • Place of Presentation
      広島市
    • Related Report
      2007 Annual Research Report
  • [Presentation] 斜面崩壊を対象とした監視ネットワークの構築とその危険予測について2007

    • Author(s)
      瀬古一郎、王 林、内村太郎、東畑郁生、福田穣
    • Organizer
      斜面災害における予知と対策技術の最前線に関するシンポジウム
    • Place of Presentation
      福岡
    • Year and Date
      2007-12-18
    • Related Report
      2008 Final Research Report
  • [Presentation] 斜面崩壊を対象とした監視ネットワークの構築とその危険予測について2007

    • Author(s)
      瀬古一郎、王 林、内村太郎、東畑郁生、福田穣
    • Organizer
      降雨時の斜面モニタリング技術とリアルタイム崩壊予測に関するシンポジウム
    • Place of Presentation
      福岡市
    • Related Report
      2007 Annual Research Report
  • [Patent(Industrial Property Rights)] 斜面の監視システム2009

    • Inventor(s)
      王林、瀬古一郎、西江俊作、内村太郎
    • Industrial Property Rights Holder
      中央開発株式会社
    • Industrial Property Number
      2009-041040
    • Filing Date
      2009-02-24
    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] 斜面の監視システム2009

    • Inventor(s)
      王林、瀬古一郎、西江俊作
    • Industrial Property Rights Holder
      中央開発隊式会社
    • Industrial Property Number
      2009-041040
    • Filing Date
      2009-02-24
    • Related Report
      2008 Annual Research Report
  • [Patent(Industrial Property Rights)] 斜面監視装置および斜面監視システム2008

    • Inventor(s)
      王林、瀬古一郎、内村太郎
    • Industrial Property Rights Holder
      中央開発株式会社
    • Industrial Property Number
      2008-096039
    • Filing Date
      2008-04-02
    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] 斜面監視装置および斜面監視システム2008

    • Inventor(s)
      王林、瀬古一郎、内村太郎
    • Industrial Property Rights Holder
      中央開発株式会社
    • Filing Date
      2008-04-02
    • Related Report
      2008 Annual Research Report
  • [Patent(Industrial Property Rights)] 斜面監視装置および斜面監視システム2008

    • Inventor(s)
      内村太郎・瀬古一郎・王林
    • Industrial Property Rights Holder
      中央開発株式会社
    • Industrial Property Number
      2008-096039
    • Filing Date
      2008-04-02
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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