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Development of vibration control system with mechanical links preventing soft story collapse of low-rose wooden buildings

Research Project

Project/Area Number 17K06644
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Building structures/Materials
Research InstitutionTokyo University of Science (2018-2019)
Hiroshima University (2017)

Principal Investigator

Miyazu Yuji  東京理科大学, 理工学部建築学科, 講師 (70547091)

Co-Investigator(Kenkyū-buntansha) 曽田 五月也  早稲田大学, 理工学術院, 名誉教授 (70134351)
向井 洋一  神戸大学, 工学研究科, 准教授 (70252616)
脇田 健裕  早稲田大学, 理工学術院, 客員主任研究員(研究院客員准教授) (10469025)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords木造建築物 / 層崩壊 / 制振構造 / リンク機構 / 粘弾性ダンパ / 振動台実験 / オイルダンパ / ロバスト性 / リンク式制振装置 / 層崩壊抑制 / 木造住宅 / 地震被害低減 / 低層建築物 / 層崩壊の抑制 / 損傷分散 / 制振ダンパ / 低層木造住宅 / 地震応答制御 / 耐震計算法
Outline of Final Research Achievements

In this research, we’ve proposed the new structural system that supplies buildings with high seismic performance and robustness, and proved its validity through a series of experimental and numerical studies. The developed system integrates passive energy dissipating devices with mechanical linkages to prevent buildings from collapsing in a few stories. Since this system can be installed to a building from its outside, it is useful to enhance the seismic performance of not only new buildings but also existing buildings.

Academic Significance and Societal Importance of the Research Achievements

本研究の学術的意義は、大地震時においても建築物が特定の層で崩壊することを防ぐことができる新たな耐震技術を開発し、その有効性を多くの実験と解析により示した点にある。開発した技術は、地震時の人命被害を低減させるために極めて効果的であり、また既往の技術を合理的に組み合わせているためにコスト性にも優れることから、都市防災を促進する観点から社会的意義は大きい。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (7 results)

All 2021 2018 2017

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (6 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] IDENTIFICATION OF VIBRATION PROPERTIES OF TWO-STORY WOODEN HOUSES USING SUBSPACE MODEL IDENTIFICATION METHOD2018

    • Author(s)
      宮津裕次, 曽田五月也
    • Journal Title

      Journal of Structural and Construction Engineering (Transactions of AIJ)

      Volume: 83 Issue: 745 Pages: 409-419

    • DOI

      10.3130/aijs.83.409

    • NAID

      130006588606

    • ISSN
      1340-4202, 1881-8153
    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] SEISMIC RESPONSE CONTROL OF A THREE-STORY CFS STRUCTURE BY MECHANICAL LINKS AND VISCOELASTIC DAMPERS2021

    • Author(s)
      Y. Miyazu, S. Soda, K. Watai, T. Wakita
    • Organizer
      17th World Conference on Earthquake Engineering
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 変形分布制御機構を備えた実寸 2 層薄板軽量形鋼造試験体の振動台実験 その3.機械式リンク機構を設置した場合2018

    • Author(s)
      宮津裕次
    • Organizer
      日本建築学会
    • Related Report
      2018 Research-status Report
  • [Presentation] Estimation of Vibration Property of Japanese Wooden House Using Subspace IdentificationMethod2018

    • Author(s)
      Yuji Miyazu
    • Organizer
      World Conference on Timber Engineering
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 振動台加振実験によるリンク式制振装置の効果検証2018

    • Author(s)
      森川翔, 宮津裕次, 中村尚弘
    • Organizer
      日本建築学会中国支部研究発表会
    • Related Report
      2017 Research-status Report
  • [Presentation] Three-dimensional seismic response of two-story wooden buildings with seismic devices using mechanical linkage2017

    • Author(s)
      S. Morikawa, Y. Miyazu, N. Nakamura
    • Organizer
      EURODYN2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] リンク式制振装置による低層木造建築物の地震応答制御 その2 接合部の静的載荷実験と2層木造住宅の3次元地震応答解析2017

    • Author(s)
      森川翔平, 宮津裕次, 中村尚弘
    • Organizer
      日本建築学会大会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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