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A Study of optimal fastener locations for timber structure joints

Research Project

Project/Area Number 16K07815
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Wood science
Research InstitutionHokkaido Research Organization

Principal Investigator

Toda Masahiko  地方独立行政法人北海道立総合研究機構, 森林研究本部林産試験場, 主査 (60446317)

Co-Investigator(Kenkyū-buntansha) 村上 了  地方独立行政法人北海道立総合研究機構, 森林研究本部林産試験場, 研究主任 (40718582)
植松 武是  北海学園大学, 工学部, 教授 (60462347)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords接合部 / モーメント抵抗接合 / 千鳥配置 / 接合具 / 降伏耐力 / 初期剛性 / 接合具間隔 / 縁端距離 / 木質構造 / 接合 / じん性
Outline of Final Research Achievements

It was found that to locate some fasteners of timber joints with steel-plate in zig-zag line increased the ductility and the ultimate strength loaded parallel to grain, but the yield strength and the initial stiffness were not affected.
In moment-resisting joints, the yield strength and the initial stiffness were increased with consideration of the anisotropy of wood.

Academic Significance and Societal Importance of the Research Achievements

本研究によって、木質構造物の接合部を合理的に設計する手法を示し、実験によって検証した。これにより接合部の低コスト化や部材断面のコンパクト化が可能となり、建築物の低コスト化に繋がり、ひいては建築物の木造化の推進に寄与できるものと考える。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (4 results)

All 2019 2018

All Presentation (4 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] 鋼板添板ラグスクリュー接合における千鳥配置の影響2019

    • Author(s)
      戸田正彦、冨髙亮介、村上了
    • Organizer
      第69回日本木材学会大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] ESTIMATION METHOD FOR YIELD STRENGTH OF TIMBER JOINTS COMBINED WITH DIFFERENT TYPES OF FASTENERS2018

    • Author(s)
      戸田正彦、野田康信、冨髙亮介
    • Organizer
      2018 World Conference on Timber Engineering
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 異種接合具を併用した接合部の変形挙動のモデル化と降伏耐力の検討2018

    • Author(s)
      戸田正彦
    • Organizer
      2018年度日本建築学会大会(東北)
    • Related Report
      2017 Research-status Report
  • [Presentation] Estimation method for yield strength of timber joint combined with different type of fasteners2018

    • Author(s)
      TODA Masahiko
    • Organizer
      2018 World Conference on Timber Engineering
    • Related Report
      2017 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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