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1992 Fiscal Year Final Research Report Summary

Earthquake Response Behavior and Seismic Design Method for R/C Structures Based on Influence of Underground Structure

Research Project

Project/Area Number 03650390
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field コンクリート工学・土木材料・施工
Research InstitutionSAITAMA UNIVERSITY

Principal Investigator

MUTSUYOSHI Hiroshi  SAITAMA UNIVERSITY, ENGINEERING, ASSOCIATE PROFESSOR, 工学部, 助教授 (60134334)

Project Period (FY) 1991 – 1992
KeywordsReinforced Concrete Bridge Pier / Ground / Underground / Response Analysis / Sway / Rocking / Seismic Design
Research Abstract

The influence of ground and an underground structure consisting of a footing and piles on whole response behavior of a reinforced concrete(R/C) superstructure under earthquakes has hardly been clarified. Theobjectives of this study are to make clear earthquake response behavior of R/C bridge piers considering dynamic properties of ground and underground structures and to contribute to the establishment of a reasonable seismic design method for R/C structures.
Assuming the dynamic properties of the ground and the underground structure to be a sway and a rocking springs, dynamic response analysis of whole R/C bridge piers was carried out. As for the restoring-forcemodels, Hardin-Drnevich model was used for each spring and bi-linear degrading stiffiness model was used for the R/C pier.
From the analyses, it is concluded as follows;
(1)When the ground is soft, the displacement of the pier due to the underground structure becomes large though the response acceleration at the top of the pier becomes small.
(2)When the yield displacement of the pier obtained from actual field tests is used for the analysis, the displacement of the pier due to the rocking is dominant.

  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] 秋吉 育子: "地盤と基礎を考慮した鉄筋コンクリート構造物の応答性状" 土木学会年次学術講演会講演概要集. 5. 706-709 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 益子 直人: "構造物を構成する1部材を取り出して行う仮動的実験手法" 土木学会年次学術講演会講演概要集. 5. 708-709 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] MUTSUYOSHI,H: "Earthquake Response Behavior of First Level Girder in R/C Frame Structure Basedo-dyhamic Tes Methad" Transactions of JCI. 14. 289-296 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Akiyoshi, I., Mutsuyoshi, H., Saeki, M. and Machida, A.: "Response Behavior of R/C structure Based on Ground and Foundation" JSCE Annual Convention. 706-709 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Mashiko, N., Mutsuyoshi, H. and Machida, A.: "Pseudo-dynamic Test Method Focusing on One Member of R/C Structure" JSCE Annual Convention. 708-709 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Mutsuyoshi, H., Machida, A. and Sadasue, K.: "Earthquake Response Behavior of First Level Girder in R/C Frame Structure Based on Pseudo-dynamic Test Method" Transactions of JCI. Vol.14. 289-296 (1992)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1994-03-24  

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