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2010 Fiscal Year Final Research Report

Study on corrosion mechanism and residual strength of high strength bolted connection

Research Project

  • PDF
Project/Area Number 21760357
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Structural engineering/Earthquake engineering/Maintenance management engineering
Research InstitutionKyoto University

Principal Investigator

HASHIMOTO Kunitaro  Kyoto University, 大学院・工学研究科, 助教 (40467452)

Project Period (FY) 2009 – 2010
Keywords高力ボルト摩擦接合 / 腐食 / すべり係数 / 残存耐力
Research Abstract

In this research, to clarify corrosion mechanism of high strength bolted joints and residual strength of the joints damaged by corrosion, corrosion accelerating experiment and slip experiment were carried out. From the tests, it is found that though inner surfaces of the connection are almost corroded, shafts of bolts and near holes of the inner surface are few corroded, and slip strength of the joints are increased due to generation of rust over the inner surfaces, but tensile and yielding strength of the joints are decreased because plate thickness and width are decreased.

  • Research Products

    (2 results)

All 2010

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (1 results)

  • [Journal Article] 高力ボルト摩擦接合継手接合面内の腐食挙動に関する実験的研究2010

    • Author(s)
      築地貴裕, 橋本国太郎, 杉浦邦征
    • Journal Title

      鋼構造年次論文報告集(日本鋼構造協会) 第18巻

      Pages: 159-164

    • Peer Reviewed
  • [Presentation] 高力ボルト摩擦接合継手の腐食劣化後の残存耐力に関する研究2010

    • Author(s)
      築地貴裕, 橋本国太郎, 杉浦邦征
    • Organizer
      平成22年土木学会関西支部年次学術講演会,土木学会,I-8
    • Place of Presentation
      京都大学
    • Year and Date
      2010-05-22

URL: 

Published: 2012-02-13   Modified: 2016-04-21  

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