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Optimum Distribution of Ultimate Strength of Civil Engineering Structures in Earthquake Resistant Design

Research Project

Project/Area Number 61302055
Research Category

Grant-in-Aid for Co-operative Research (A)

Allocation TypeSingle-year Grants
Research Field 土木構造
Research InstitutionKyoto University

Principal Investigator

TOKI Kenzo  Disaster Prevention Research Institute, Kyoto University, Prof., 防災研究所, 教授 (10027229)

Co-Investigator(Kenkyū-buntansha) SATO Tadanobu  Disaster Prevention Research Institute, Kyoto University,Assoc.Prof., 防災研究所, 助教授 (00027294)
KITAURA Masaru  Faculty of Technolody, Kanazawa University, Prof., 工学部, 教授 (70026269)
TAKEMIYA Hirokazu  Faculty of Technolody, Okayama University, Prof., 工学部, 教授 (10026156)
AKIYOSHI Takashi  Faculty of Technolody, Kumamoto University, Prof., 工学部, 教授 (60040383)
KAMEDA Hiroyuki  Disaster Prevention Research Institute, Kyoto University,Prof., 防災研究所, 教授 (80025949)
Project Period (FY) 1986 – 1987
Project Status Completed (Fiscal Year 1987)
Budget Amount *help
¥4,000,000 (Direct Cost: ¥4,000,000)
Fiscal Year 1987: ¥1,600,000 (Direct Cost: ¥1,600,000)
Fiscal Year 1986: ¥2,400,000 (Direct Cost: ¥2,400,000)
KeywordsFarthquake resistant design / Input earthquake motion / Soil-structure interaction / Ductility / Buried pipes / Liquefaction / Hybrid experiment / 液状化 / 二段階耐震設計 / 設計地震動 / 最適分配 / 最悪地震動の評価 / 地盤-構造物系の動的相互作用 / 非線形挙動 / 地震危険度 / 耐震性能
Research Abstract

We have proposed several analytical and experimental methods and theories in this project to develop two stage earthquake resistant design which combines the elastic and ductile design methods. Particular attention has been given to the following four topics:
(1) Physical characteristics of input earthquake motion and their modeling; A comprehensive method to simulate earthquake motion was developed on a consistent probabilistic basis. We also developed a simplified procedure with which to estimate the attenuation laws of peak ground motions taking into account the fault extent. We removed the effect of the drift induced in SMAC records was developed to increase the reliability of corrected records in the period range up to 10 seconds. We also removed the noise effect from apparent phase velocity using Kalman filter. We made a microzonation map of Kyoto by taking into account the nonlinear amplification /deamplification effects of soil layers overlying bedrock. The Gaussian beam approac … More h to body wave propagation in a ground with irregular profile have been developed.
(2) Evaluation of dynamic soil-structure interaction; A computer program hasbeen developed to analyze group pile foundation systems. We analyzed dynamic non-linear responses of 3D soil-structure interaction system taking into account sliding and separation between soil and structures as well as material non-linearity. A hybrid study has been done to measure and identify nonlinear restoring force characteristics of caisson foundation. A simple analytical method to estimate maximum response of soil-structure systems has been developed.
(3) Evaluation of seismic load on soil-structure system taking into account elasto-plastic failure process of structural element. The efficiency of passive and active control of input earthquake energy to structure using energy dissipating device was discussed. We proposed a formula to predict maximum ductility of soil structure system using response spectra and to optimize seismec safety of the system.
(4) Earthquake resistability of buried pipes; Sliding between soil and pipes buried in horizontally layered and irregular ground was analyzed using equivalent linearization technique. Liquefaction effects for buried pipes were examined experimentally and analytically. Less

Report

(2 results)
  • 1987 Final Research Report Summary
  • 1986 Annual Research Report
  • Research Products

    (17 results)

All Other

All Publications (17 results)

  • [Publications] 土岐 憲三: 京都大学防災研究所年報. 30,B-2. 19-44 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 土岐 憲三: 第1回計算力学シンポシウム報文集. 335-340 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 亀田 弘行: 京都大学防災研究所年報. 30,B-2. 107-119 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Takashi Akiyoshi: Proc. of. Jsce. 374/1-6. 27-278 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Hirokazu Takemiya: Structural Eng./Earthquake Eng., Jsce. VOL1.3 VO1. 195S-202S (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Masaru Kitaura: Proc. of the 8th Enropean Conference on Earthquake Engineering. VO1.2. 25-32 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Kenzo Toki: "Simulation of Fault Rupture Process by the Stochastic Finite Element Method" Probabilistic Engineering Mechanics. 2. 129-137 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Hiroyuki Kameda: "Simulated Earthquake Motions Consistent with Seismic Hazard Analysis2" Proc. of the 7th Japan Earthquake Engineering Symposium. 181-186 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Takashi Akiyoshi: "Seismic Response Analysis of Pipelines Buried in Soil Layers with Irregular Boundaries" Proc. of JSCE. 374/I-6. 27-278 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Hirokazu Takemiya: "Ring-Pile Analysis for a Grouped Pile Foundation Subjected to Base Motion" Structural Eng./ Earthquake Eng., JSCE. 3. 195-202 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Masaru Kitaura: "Damage to Pipelines Subjected to Soil Liquefaction in 1983 Nipponkai-Chubu Earthquake in Japan" Proc. of the 8th European Conference on Earthquake Engineering. 2. 25-32 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 土岐憲三: 日科技連第1回地盤工学における数値シンポジウム. 163-170 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] Hiroyuki KAMEDA: Proc.of the 7th Japan Earthquake Engineering Symposium. 181-186 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] 秋吉卓: 土木学会論文集. No.374/I-6. 271-278 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] 竹宮宏和: 土木学会論文集. No.374/I-6. 531-540 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] Masaru KITAURA: Proc.of the 8th European Conference on Earthquake Engineering. (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] Tadanobu SATO: Proc.of the 7th Japan Earthquake Enginnering Symposium. 541-546 (1986)

    • Related Report
      1986 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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