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Study on Composite Action between Steel Girder and Lower Concrete Slab in Steel-Concrete Double Composite I-girder Bridge

Research Project

Project/Area Number 20760306
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Structural engineering/Earthquake engineering/Maintenance management engineering
Research InstitutionOsaka Institute of Technology

Principal Investigator

OHYAMA Osamu  Osaka Institute of Technology, 工学部, 准教授 (70411410)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2009: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords複合構造 / 二重合成I桁橋 / スタッド / 静的押抜き試験 / 繰返し押抜き試験 / 荷重分担率 / 疲労押抜き試験 / S-N曲線
Research Abstract

Recently, in Japan, the steel-concrete composite bridge aiming at reducing construction cost and shortening work periods is extensively adopted. For instance, the steel-concrete double composite continuous box girder bridge, which has two concrete slabs at upper and lower surfaces of the steel box girder, is one of its examples. The structural system has the advantage of being able to reduce the steel lower flange thickness in the region of the intermediate supports. At the moment, the shop assembly cost of the box girder is more expensive than that of the Twin-I girder bridge. Therefore, the author had been proposed the steel-concrete double composite twin I-girder bridge.
However, the composite action by adopting the headed studs welded both on the lower flange plate and web plate in double composite twin-I girder bridges is not yet clarified perfectly. In this research, the author carried out the static and fatigue push-out test for headed stud, which has combination arrangement both in horizontal and vertical directions.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (5 results)

All 2009 Other

All Presentation (2 results) Remarks (3 results)

  • [Presentation] 二重合成複合ラーメンI桁橋における下コンクリート床版の施工法と試設計2009

    • Author(s)
      木部謙吾, 大山理, 大久保宣人, 栗田章光
    • Organizer
      土木学会第64回年次学術講演会
    • Place of Presentation
      福岡大学
    • Year and Date
      2009-09-03
    • Related Report
      2009 Final Research Report
  • [Presentation] 二重合成複合ラーメンI桁橋における下コンクリート床版の施工法と試設計2009

    • Author(s)
      木部謙吾, 大山理, 大久保宣人, 栗田章光
    • Organizer
      土木学会 平成21年度全国大会 第64回年次学術講演会
    • Place of Presentation
      福岡大学(福岡県)
    • Year and Date
      2009-09-03
    • Related Report
      2009 Annual Research Report
  • [Remarks] ホームページ等

    • URL

      http://www.oit.ac.jp/civil/~bridge

    • Related Report
      2009 Final Research Report
  • [Remarks]

    • URL

      http://www.oit.ac.jp/civil/~bridge/

    • Related Report
      2009 Annual Research Report
  • [Remarks]

    • URL

      http://www.oit.ac.jp/civil/~bridge/

    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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