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Stability assessment for rock slope using giant-magnetostriction vibrator

Research Project

Project/Area Number 18760357
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Geotechnical engineering
Research InstitutionUniversity of Tsukuba

Principal Investigator

KAWAMURA Youhei  University of Tsukuba, 大学院システム情報工学研究科, 講師 (40361323)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,870,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 2006: ¥1,500,000 (Direct Cost: ¥1,500,000)
Keywords斜面 / 超磁歪振動子 / 岩盤斜面 / 安定性評価 / ケプストラム解析 / 相互相関 / 信号圧縮 / 亀裂分布 / 反射波 / 岩盤 / 亀裂 / 超音波 / 超滋歪振動子 / 窓関数 / マイクロクラック / 周波数重合法 / 起磁歪振動子 / クラック
Research Abstract

本研究では超磁歪振動子を入力に用いて岩盤斜面の安定性を評価すための手法を確立するために、コンクリートブロックの寸法推定実験及び実規模実験として凝灰岩の採石場にて凝灰岩の損傷検査を行った。解析手法として相互相関法、信号圧縮法、およびケプストラム解析を適用した。それぞれの解析の結果、ケプストラム解析が最も簡易な計測方法で良好な結果を得られることを確認した。また、その適用性を向上させるために、入力波形として連続した正弦波及び正弦波1波を適用し、入力波形に応じた改善策を提案した。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (19 results)

All 2008 2007 2006 Other

All Journal Article (9 results) (of which Peer Reviewed: 7 results) Presentation (8 results) Remarks (2 results)

  • [Journal Article] 超磁歪振動子を用いたコンクリート構造物・岩盤斜面に対する非破壊検査におけるケプストラム解析の適用性2008

    • Author(s)
      川村洋平, 浅香充慶, 河宜成, 大川浩一, 水谷孝一
    • Journal Title

      Journal of MMIJ Vol.124

      Pages: 452-458

    • NAID

      10024264432

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 超磁歪振動子を用いたコンクリート構造物・岩盤斜面に対する非破壊検査におけるケプストラム解析の適用性2008

    • Author(s)
      川村洋平, 浅香充慶, 河宜成, 大川浩一, 水谷孝一
    • Journal Title

      Journal of MMIJ 124

      Pages: 452-458

    • NAID

      10024264432

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fundamental Study on Ultrasonic Measurement System to Detect Penetration of Boulders Using Cepstrum Analysis2007

    • Author(s)
      Y.Kawamura, M.Tsurushima, Y.Ito, K.Mizutani, S.Yamachika, N.Aoshima, E.Ha
    • Journal Title

      Ultrasonics Vol.46

      Pages: 260-269

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Fundamental Study on Ultrasonic Measurement Sytem to Detect Penetration of Boulders Using Cepstrum Analysis2007

    • Author(s)
      Y.Kawamura, M.Tsurushima, Y.Ito, K.Mizutani, S.Yamachika, N.Aoshima, E.Ha
    • Journal Title

      Uitrasonics Vol.46

      Pages: 260-269

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Applicability in Cepstrum Analysisi Applied to Non-destructive Testing for Crack of Rock Slope Using Giant-Magnetostriction Vibrator2007

    • Author(s)
      M.Asaka, Y.Kawamura, S.Nakasato, H.Okawa, and K.Mizutani
    • Journal Title

      Proc. of The 28th Symposium on Ultrasonic Electronices

      Pages: 387-388

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fundamental Study for Estimation of Crack Distribution in Rock Slop Using Giant-magnetostriction Vibrator2007

    • Author(s)
      S.Nakasato, Y.Kawamura, M.Asaka, H.Okawa, and K.Mizutani
    • Journal Title

      Proc. of The 28th Symposium on Ultrasonic Electronics

      Pages: 381-382

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Accuracy Improvement of Cepstrum Analysis for Detecting Penetration of Foundation Piles Using Ultrasonic Wave2006

    • Author(s)
      Y.Kawamura, Y.Ito, K.Mizutani, S.Kuraoka, and M.Ujihira
    • Journal Title

      Jounal of Applied Mechanics Vol.9

      Pages: 1131-1138

    • NAID

      130004258493

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Detection of Concrete Gack Vsing Giant-Magnetostriction Vibrator2006

    • Author(s)
      Youhei Kawamura et al.
    • Journal Title

      Proc.Symp.Ultrason.Electron. Vol.27

      Pages: 243-244

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Validation of Effectiveness on Magnified Cross-Correlation Analysis in Frequency Doinain based on Directivity of Giant-Magnetstriction Vibrator2006

    • Author(s)
      Eui Seong Ha, Youhei Kawamaru, et al.
    • Journal Title

      Proc.Symp.Ultrason.Electron. Vol.27

      Pages: 245-246

    • Related Report
      2006 Annual Research Report
  • [Presentation] Accuracy Improvement of Cepstrum Analysis Using Giantmagnetostriction Vibrator Applied to Non-destructive Testing for Crack of Rock Slope2008

    • Author(s)
      M.Asaka, Y.Kawamura, H.Okawa and K.Mizutani
    • Organizer
      Pro. 17th Int. Symposium on MPES
    • Place of Presentation
      北京(中国)
    • Year and Date
      2008-10-22
    • Related Report
      2008 Final Research Report
  • [Presentation] Accuracy Improvement of Cepstrum Analysis Using Giant-magne tostriction VibratorApplied to Non-destructive Testing for Crack of Rock Slope2008

    • Author(s)
      M. Asaka, Y. Kawamura, H. Okawa and K. Mizutani
    • Organizer
      Pro. 17th Int. Symposium on Mine Planning and Eauinment Selection
    • Place of Presentation
      北京(中国)
    • Year and Date
      2008-10-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] 超磁歪振動子を用いた岩盤亀裂推定に関する研究2008

    • Author(s)
      浅香充慶・川村洋平・中里槙吾・大川浩一
    • Organizer
      資源・素材学会平成20年春季大会
    • Place of Presentation
      東京大学
    • Year and Date
      2008-03-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] 超磁歪振動子を用いた岩盤亀裂推定に関する研究2008

    • Author(s)
      浅香充慶, 川村洋平, 中里槙吾, 大川浩一, 水谷孝一
    • Organizer
      資源・素材学会平成20年春季大会
    • Place of Presentation
      東京(東京大学生産技術研究所)
    • Year and Date
      2008-03-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Applicability in Cepstrum Analysisi Applied to Non-destructive Testing for Crack of Rock Slope Using Giant-Magnetostriction Vibrator2007

    • Author(s)
      M.Asaka, Y.Kawamura, S.Nakasato, H.Okawa, and K.Mizutani
    • Organizer
      The 28th Symposium on Ultrasonic Electronics
    • Place of Presentation
      茨城県つくば市(つくば国際会議場)
    • Year and Date
      2007-11-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Fundamental Study for Estimation of Crack Distribution in Rock Slop Using Giant-magnetostriction Vibrator2007

    • Author(s)
      S.Nakasato, Y.Kawamura, M.Asaka, H.Okawa, and K.Mizutani
    • Organizer
      The 28th Symposium on Ultrasonic Electronics
    • Place of Presentation
      茨城県つくば市(つくば国際会議場)
    • Year and Date
      2007-11-15
    • Related Report
      2008 Final Research Report
  • [Presentation] 超磁歪振動子を用いたコンクリート構造物損傷検査におけるケプストラム解析の適用性2007

    • Author(s)
      川村洋平, 浅香充慶, 河宜成, 伊藤優, 水谷孝一
    • Organizer
      資源・素材学会平成19年春季大会
    • Place of Presentation
      東京(早稲田大学)
    • Year and Date
      2007-03-31
    • Related Report
      2008 Final Research Report
  • [Presentation] Detection of Concrete Crack Using Giant-Magnetostriction Vibrator2006

    • Author(s)
      Y.Kawamura, M.Asaka, E.Ha, Y.Ito, K.Okawa, and K.Mizutani
    • Organizer
      The 27th Symposium on Ultrasonic Electronics
    • Place of Presentation
      愛知県名古屋市(名古屋国際会議場)
    • Year and Date
      2006-11-15
    • Related Report
      2008 Final Research Report
  • [Remarks] ホームページ等

    • URL

      http://gsl.iit.tsukuba.ac.jp/

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://gsl.iit.tsukuba.ac.jp/publications.html

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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