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Synthetic Study on Seismic Resistant Design of RC Structures Considering Rational Ultimate Deformability

Research Project

Project/Area Number 07305015
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section総合
Research Field 土木材料・力学一般
Research InstitutionSaitama University

Principal Investigator

MACHIDA Atsuhiko  Dept.of Civil and Environmental Engineering, Saitama University, Professor, 工学部, 教授 (50008869)

Co-Investigator(Kenkyū-buntansha) UEDA Tamon  Dept.of Civil Eng.Hokkaido Univ.Assoc.Prof., 工学部, 助教授 (00151796)
SHIMA Hiroshi  Dept.of Civil Eng.Tokushima Univ.Assoc.Prof., 工学部, 助教授 (00196461)
MARUYAMA Kyuichi  Dept.of Const.Eng.S.& T.Univ.of Nagaoka, Professor, 建設系, 教授 (30126479)
HIGAI Takeshi  Dept.of Civil Eng.Yamanashi Univ.Professor, 工学部, 教授 (70115319)
YAMAZAKI Jun  Dept.of Civil Eng.NIhon Univ.Professor, 理工学部, 教授 (80111475)
睦好 宏史  埼玉大学, 工学部, 助教授 (60134334)
Project Period (FY) 1995 – 1996
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥7,900,000 (Direct Cost: ¥7,900,000)
Fiscal Year 1996: ¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 1995: ¥4,900,000 (Direct Cost: ¥4,900,000)
KeywordsRC Structure / Seismic Resistant Design / Inelastic Deformability / Flexural Ductility / Curvature Ductility / Shear Failure after Yielding / Buckling of Re-bar / Inelastic Response Analysis by FEM / RC構造物 / 靱性率評価式 / せん断補強鉄筋 / 有限要素法 / 応答解析
Research Abstract

The following conclusions were derived from the results of review of previous papers, loading tests and analysis on inelastic deformability and moment-curvature relationship of RC members. All of the results make it possible to rationalize seismic resistant design of RC structures when taken into the previous designing system.
1.Equations to evaluate flexural ductility factor of RC members were derived through analysis of the previous test results assuming that contribution of shear reinforcement to ductility is independent from that of factors other than shear reinforcement. These equations have better applicability to such members that shear failure takes place after flexural yielding.
2.It was show by the results of FEM analysis on the behaviors of RC members in inelastic region that flexural ductility factor under seismic excitations is not only different from that under repeated cyclic loading, but also influenced significantly by the characteristics of the waves.
3.When shear reinforcement is provided sufficiently so that shear failure after flexural yielding does not take place, it is possible to convert flexural ductility factor into curvature ductility factor by evaluating deformation of stem part, deformation of plastic hinge region and deformation due to pulling-out of longitudinal reinforcement independently. In order to evaluate the deformation of plastic hinge region precisely, it is important to adopt a model in which buckling of longitudinal reinforcement is taken into account.
4.Programs to analyze moment-curvature relationship, geometrically inelastic deformation and vibration response of RC members were developed. These programs are applicable to evaluate seismic resistant performance of RC piers substantially.

Report

(3 results)
  • 1996 Annual Research Report   Final Research Report Summary
  • 1995 Annual Research Report
  • Research Products

    (21 results)

All Other

All Publications (21 results)

  • [Publications] Khairy Hassan A: "Role of Transverse Reinforcement on Ductility and Failure Mode of RC Bridge Piers Subiected to Earthquake Motion" 第19回コンクリート工学年次論文報告集. 18(発表予定). (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Machida,Atsuhiko: "Influence of Input Motion Characteristics on Inelastic Behavior of RC Piers of Bridges -A Three Dimentional Finite Element Approach-" コンクリート工学論文集. 18(発表予定). (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 橋本伸一: "繰り返し荷重を受けるRCはり断面のせん断変形挙動に関する研究" 第18回コンクリート工学年次論文報告集. 18・2. 641-646 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 水野要: "繰り返し荷重を受けせん断破壊するRC部材の挙動解析" 第19回コンクリート工学年次論文報告集. 19・2(発表予定). (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 夏目和幸: "鉄筋コンクリート部材の靱性評価に関する研究" 土木学会第51回年次学術講演会講演概要集. 5. 1002-1003 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Hamdani Afzaal H.: "Response of RC Bridge Piers under Kushiro and Great Hanshin Earthquakes" 第19回コンクリート工学年次論文報告集. 19・2(発表予定). (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Khairy Hassan A: "Role of Transverse Reinforcement on Ductility and Failure Mode of RC Bridge Piers Subjected to Earthquake Motion" Proceedings of JCI. Vol.19, No.2(in printing). (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Machida, Atsuhiko: "Influence of Input Motion Characteristics of Inelastic Behavior of RC Piers of Bridges-A Three Dimentional Finite Element Approach-" JCI Concrete Research and Technology. (in printing). (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Hashimoto, Shin-ichi: "Shear Behavior of RC Sections under Cyclic Loading" Proceedings of JCI. Vol.18, No.2. 641-646 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Mizuno, Yo: "Analysis on Shear Failure of RC members unde Cyclic Loading (in Japanese)" Proceedings of JCI. Vol.19, No.2(in printing). (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Natume, Kazuyuki: "Evaluation of Ductility of RC Members (in Japanese)" Pre-print of 51th JSCE Annual Meeting. Vol.5. 1002-1003 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Hamdani Afzaal H: "Response of RC Bridge Piers under Kushiro and Great Hanshin Earthquakes" Proceedings of JCI. Vol.19, No.2(in printing).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Zhishen Wu: "Prediction of Shear Dominated Behavior of Quasibrittle Structure by Smeared Crack Model" Building for the 21st Century, EASEC-5. 2155-2160 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Khairy Hassan A.: "Role of Transverse Rcinforcement on Ductility and Failure Mode of RC Bridge Piers Subjected to Earthquake Motion" 第19回コンクリート工学年次論文報告集. 18(発表予定). (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] Machida, Atsuhiko: "Influence of Input Motion Characteristics on Inelastic Behavior of RC Piers of Bridges -A Three Dimentional Finite Element Approach-" コンクリート工学論文集. 18(発表予定). (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] 橋本伸一: "繰り返し荷重を受けるRCはり断面のせん断変形挙動に関する研究" 第18回コンクリート工学年次論文報告集. 18・2. 641-646 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 水野要: "繰り返し荷重を受けせん断破壊するRC部材の挙動解析" 第19回コンクリート工学年次論文報告集. 19・2(発表予定). (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] 夏目和幸: "鉄筋コンクリート部材の靱性評価に関する研究" 土木学会第51回年次学術講演会講演概要集. 5. 1002-1003 (1998)

    • Related Report
      1996 Annual Research Report
  • [Publications] Hamdani Afzaal H.: "Response of RC Bridge Piers under Kushiro and Great Hanshin Earthquakes" 第19回コンクリート工学年次論文報告集. 19・2(発表予定). (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] MACHIDA, Atsuhiko: "Damage Fuatures and Dynamic Failure Mechanism of Conerete Piers in the Hyogo-ken Namba Eearthquake" I I tlc World Congress of Earthquake Engineering. (発表予定). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Khairy Nossan A.: "Dynamic Analysis of Reinforced Conerete Piers" 日本コンクリート工学協会年次論文報告集. 18(発表予定). (1996)

    • Related Report
      1995 Annual Research Report

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Published: 1995-04-01   Modified: 2016-04-21  

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