Small strain stiffness of Toyoura sand obtained from various techniques in IIS (特集 四川省[ブン]川地震,岩手/宮城内陸地震--連続する巨大地震と地震工学最前線(ERS))

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概要

• 論文の詳細を見る

• 最近5年間に生研で測定された豊浦砂の微小ひずみ剛性を比較し,測定方法,装置,測定者による影響を検討した.微小ひずみ剛性の測定方法としては,三軸装置やねじり試験装置を用いた微小繰返し試験などのいわゆる静的測定と供試体内の弾性波の伝播速度を測定する動的測定があり,さらに波の送受信センサーとしてベンダーエレメント(BE),小型加速度計(TA),プレート型のピエゾセラミック素子(PT)の3種を用いた各々の測定方法において,装置や測定者によらず一貫した結果となったが,TA法は他の方法と比較して30%程度高い値となることがわかった.［本要旨はPDFには含まれない］

著者

• KOSEKI JUNICHI

  Institute of Industrial Science, University of Tokyo

• KUWANO REIKO

  Institute of Industrial Science, University of Tokyo

• Wicaksono Ruta

  Department of Civil Engineering, The University of Tokyo

• De Silva

  Department of Civil Engineering, The University of Tokyo

• Mulmi Sarju

  Department of Civil Engineering, The University of Tokyo

• ENOMOTO Tadao

  Soil Mechanics and Dynamics Research Team, Public Works Research Institute, Japan

• KIYOTA Takashi

  Department. of Civil Engineering, Tokyo University of Science

• TSUTSUMI Yukika

  Institute of Industrial Science, The University of Tokyo

• Kuwano Reiko

  Institute Of Industrial Science University Of Tokyo

• Koseki Junichi

  Institute Of Industrial Science The University Of Tokyo

• Tsutsumi Yukika

  Institute Of Industrial Science University Of Tokyo

• SILVA Laddu

  Department of Civil Engineering, The University of Tokyo

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