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Fundamental Study on Failure Probability and Design Values of Load and Resistance of Steel Structures

Research Project

Project/Area Number 06805041
Research Category

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

Allocation TypeSingle-year Grants
Research Field 構造工学・地震工学
Research InstitutionOsaka City University

Principal Investigator

KITADA Toshiyuki  Osaka City University, Faculty of Engineering Associate Professor, 工学部, 助教授 (30029334)

Project Period (FY) 1994 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1995: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1994: ¥700,000 (Direct Cost: ¥700,000)
KeywordsLimit state design method / Steel Structure / Failure probability / Load / Resistance / Initial imperfection / Accident / Human error / ヒューマン・エラー / 設計値
Research Abstract

1.Fundamental theories have been developed to some extent in three papers.
2.The following research results have been obtained :
(1) Design methods based on reliability theory are not proper in structures with less failure probability.
(2) It is important that the ultimate strength and various limit states up to the ultimate limit states of structures are also investigated prior to the calculation of their failure probability.
(3) Collapses of structures are mainly caused by unknown behaviors, extremely expected or unexpected hazards, and human errors.
(4) It is necessary to develop a method to evaluate quantitatively the influence of the unknown behaviors, extremely expected or unexpected hazards, and human errors upon the failure probability.
(5) The influence of the variation of yield stress on the ultimate strength is predominant compared with the variation of initial imperfection and residual stress.
(6) As for yield limit state, the variation of residual stress can not be neglected.
(7) A limit states design method for evaluating safety on the strength limit of existing structures has been proposed.

Report

(3 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] Toshiyuki Kitada: "Issues on Reliability Methods and Limit States Design Methods in Applying Them to Design of Steel Bridges" Proceedings of Korea‐Japan Seminar on Steel Bridges. 3. 161-178 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 北田俊行・大南亮一・堂垣正博・杉浦邦征・久保元生: "新設・既設鋼構造物の限界状態の明確化とその照査法" 構造物の安全性・信頼性に関する国内シンポジウム論文集. 3. 283-290 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 北田俊行・中井博・江口慎介: "鋼橋の限界状態設計法確立に関する基礎的研究" 土木学会関西支部年次学術講演会概要集. I. I‐99‐1-I‐99‐2 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 江口慎介・北田俊行・中井博: "ニールセンロ-ゼ橋、および鋼製ラーメン橋脚の終局限界状態に関する基礎的研究" 土木学会年次学術講演会講演概要集. 50,1(A). 54-56 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 北田俊行・中井博・石崎浩・江口慎介: "鋼ニールセン・ロ-ゼ橋、およびラーメン鋼橋脚の限界状態に関する基礎的研究" 構造工学論文集. Vol.42A(発表予定). 91-98 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 北田俊行・関惟忠・西岡敬治・乙黒幸年・岩崎一好・矢野幸子: "限界状態設計法による既設鋼橋の一耐荷力評価法" 構造工学論文集. Vol.42A(発表予定). 911-918 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.KITADA: "Issues on Reliability and Limit States Design Methods in Applying Them to Design of Steel Bridges" Proceedings of Korcan-Japan Seminar on Steel Bridges. Vol.3. 161-178 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.KITADA,R.OMINAMI,M.DOUGAKI,K.SUGIURA and M.KUBO: "Definition of Limit States and Criteria for Them in New and Existing Steel Structures" Proceedings of Japan Conference on Structural Safety and Reliability (JCOSSAR). Vol.3. 283-290 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.KITADA,H.NAKAI and S.EGUCHI: "Fundamental Study on Establishment of Limit States Design Method for Steel Bridges" Proceedings of Annual Conference of Civil Engineers, Kansai Chapter of JSCE. I-99-1-99-2 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.KITADA,H.NAKAI and S.EGUCHI: "Fundamental Study on Ultimate Limit State of Nielsen-Lohse Bridge and Steel Rigid Frame" Proceedings of Annual Conference of Civil Engineers, JSCE. Vol.50, No.1 (A). 54-55 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.KITADA,H.NAKAI,H.ISIZAKI and S.EGUCHI: "Fundamental Study on Limit States of Steel Nielsen-Lohse Bridges and Rigid Framed Bridge Piers" Journal of Structural Engineering, JSCE. Vol.42A (to be published). (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.KITADA,K.SEKI,K.NISHIOKA,Y.OTOGURO,K.IWASAKI and S.YANO: "Evaluation of Load Carrying Capacity of Existing Steel Bridges Based on Limit States Design Method" Journal of Structural Engineering, JSCE. Vol.42A (to be published). (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Toshiyuki Kitada: "Issues on Reliability Method and Limit States Design Methods in Applying Them to Design of Steel Bridges" Proceedings of Korea-Japan Seminar on Steel Bridges. 3(未発行). (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] 北田 俊行・中井 博・江口慎介: "鋼橋の限界状態設計法確率に関する基礎的研究" 土木学会関西支部年次学術講演会概要集. (発表予定). (1995)

    • Related Report
      1994 Annual Research Report

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Published: 1994-04-01   Modified: 2016-04-21  

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