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Compound defense methods considering the three-dimensionality of inundation current and destruction of structures and coastal forest

Research Project

Project/Area Number 15H02987
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Natural disaster / Disaster prevention science
Research InstitutionSaitama University

Principal Investigator

TANAKA NORIO  埼玉大学, 理工学研究科, 教授 (80323377)

Co-Investigator(Kenkyū-buntansha) 八木澤 順治  埼玉大学, 理工学研究科, 准教授 (70549998)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥10,530,000 (Direct Cost: ¥8,100,000、Indirect Cost: ¥2,430,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Keywords多重防御 / Eco-DRR / バイオシールド / 防潮林 / 浮遊物衝撃力 / 津波 / 潟湖 / 二線堤 / 堤防侵食 / 落堀 / 減災 / 三次元性
Outline of Final Research Achievements

The objective of this study is to: 1) strengthen the mitigation function of forest combining with a moat and an embankment, 2) improving the embankment role combining with a forest, bank and piles, 3) analyze a real tree movement and trapping method by inland forest, 4) analyze a three-dimensional scour characteristics, and 5) develop a model which can analyze the tree destruction, and apply it to the actual site. Water flume experiments and numerical simulation elucidate, 1) energy reduction mechanism by the compound defense systems by forest and artificial structures (embankment and/or moat), 2) the optimal combination method, 3) floating and trapping mechanism of driftwoods, 4) suitable forest structures for mitigating tsunami considering tree destruction type, and 5) three-dimensional scour characteristic of undulation embankment.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • Research Products

    (39 results)

All 2018 2017 2016

All Journal Article (14 results) (of which Int'l Joint Research: 5 results,  Peer Reviewed: 14 results,  Acknowledgement Compliant: 9 results,  Open Access: 1 results) Presentation (25 results) (of which Int'l Joint Research: 9 results,  Invited: 1 results)

  • [Journal Article] Tsunami mitigation by combination of coastal vegetation and a backward-facing step2018

    • Author(s)
      Pasha, G. A., Tanaka, N., Yagisawa, J., & Achmad, F. N.
    • Journal Title

      Coastal Engineering Journal

      Volume: 1 Issue: 1 Pages: 1-22

    • DOI

      10.1080/21664250.2018.1437014

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effectiveness of a compound defense system of sea embankment and coastal forest against a tsunami2018

    • Author(s)
      Igarashi, Y., & Tanaka, N.
    • Journal Title

      Ocean Engineering

      Volume: 151 Pages: 246-256

    • DOI

      10.1016/j.oceaneng.2018.01.036

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 津波減勢に有効な海岸樹林帯背後の多重防御構造の実験的検討2018

    • Author(s)
      座波健仁, 田中規夫, 君和田祐弥
    • Journal Title

      土木学会論文集 B1 (水工学)

      Volume: 74

    • NAID

      130007628219

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Undular hydraulic jump formation and energy loss in a flow through emergent vegetation of varying thickness and density2017

    • Author(s)
      Pasha, G. A., & Tanaka, N.
    • Journal Title

      Ocean Engineering

      Volume: 141 Pages: 308-325

    • DOI

      10.1016/j.oceaneng.2017.06.049

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Comparison of reduction of tsunami fluid force and additional force due to impact and accumulating after collision of tsunami-produced driftwood from a coastal forest with houses during the Great East Japan tsunami2017

    • Author(s)
      Tanaka, N., Ogino, T.
    • Journal Title

      Landscape and Ecological Engineering

      Volume: Published online Issue: 2 Pages: 287-304

    • DOI

      10.1007/s11355-016-0321-7

    • NAID

      40021258365

    • Related Report
      2017 Annual Research Report 2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Mitigation of destructive fluid force on buildings due to trapping of floating debris by coastal forest during the Great East Japan tsunami2017

    • Author(s)
      Tanaka N., Onai A.
    • Journal Title

      Landscape Ecol. Eng.

      Volume: 13 Issue: 1 Pages: 131-144

    • DOI

      10.1007/s11355-016-0308-4

    • NAID

      40021063074

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] レベル2 津波が二重堤防構造を越流する際の流況変化を踏まえた減勢効果の評価2017

    • Author(s)
      五十嵐 善哉,田中 規夫
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 73, No.4

    • NAID

      130006406119

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] THREE DIMENSIONAL DOWNSTREAM SCOUR ANALYSIS AFTER LEVEE OVERTOPPING2016

    • Author(s)
      Sazia Afreen, Junji Yagisawa, Norio Tanaka
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)

      Volume: 72 Issue: 4 Pages: I_823-I_828

    • DOI

      10.2208/jscejhe.72.I_823

    • NAID

      130005312160

    • ISSN
      2185-467X
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 複数津波の来襲により生じた青森県三沢の海岸林破壊現象の検証2016

    • Author(s)
      田中規夫,佐藤創,赤崎佑太,鳥田宏行,小田島諒
    • Journal Title

      土木学会論文集B2(海岸工学)

      Volume: 72, No. 2

    • NAID

      130005282399

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 堤防前面の樹林帯の厚みと樹木倒伏が堤防越流量に与える影響の実験的検討2016

    • Author(s)
      五十嵐善哉,田中規夫
    • Journal Title

      土木学会論文集B2(海岸工学)

      Volume: 72, No. 2

    • NAID

      130005282389

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Multiple defense for tsunami inundation by two embankment system and prevention of oscillation by trees on embankment (CD-ROM)2016

    • Author(s)
      Tanaka, N., Igarashi, Y.
    • Journal Title

      APD-IAHR2016

      Volume: 1 Pages: 1-1

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Optimization of inland forest for trapping tsunami driftwood (CD-ROM)2016

    • Author(s)
      Pasha, G.A., Norio Tanaka, N.
    • Journal Title

      APD-IAHR2016

      Volume: 1 Pages: 1-1

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Energy dissipation and drag in a steady flow through emergent vegetation2016

    • Author(s)
      Pasha, G.A., Tanaka, N.
    • Journal Title

      ICHE

      Volume: 1 Pages: 1-1

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] 潟湖の貯留効果による津波減災について2016

    • Author(s)
      赤崎佑太,田中規夫
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 72

    • NAID

      130005312033

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] 津波時に堤外地樹林帯で発生した流木の堤内地侵入割合に関する実験的研究2017

    • Author(s)
      五十嵐善哉,田中規夫
    • Organizer
      土木学会関東支部発表会
    • Place of Presentation
      埼玉大学(埼玉県,さいたま市)
    • Year and Date
      2017-03-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] 堤防越流直後の流れに対して杭群が与える変化とエネルギー減少メカニズム2017

    • Author(s)
      座波健仁,五十嵐善哉,田中規夫
    • Organizer
      土木学会関東支部発表会
    • Place of Presentation
      埼玉大学(埼玉県,さいたま市)
    • Year and Date
      2017-03-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] 海岸堤防前面部における低樹高の海岸林による津波の堤防越流量変化2017

    • Author(s)
      山口耕平,五十嵐善哉,田中規夫
    • Organizer
      土木学会関東支部発表会
    • Place of Presentation
      埼玉大学(埼玉県,さいたま市)
    • Year and Date
      2017-03-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] 津波規模が海岸樹木破壊形態に及ぼす影響の樹種による相違2017

    • Author(s)
      五十嵐善哉,君和田祐弥,赤崎佑太,田中規夫,佐藤創,鳥田宏行
    • Organizer
      土木学会関東支部発表会
    • Place of Presentation
      埼玉大学(埼玉県,さいたま市)
    • Year and Date
      2017-03-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] Combined effect of vegetation and a backward facing step on energy loss2017

    • Author(s)
      Pasha GA,Ahmed FN, Tanaka N.
    • Organizer
      土木学会関東支部発表会
    • Place of Presentation
      埼玉大学(埼玉県,さいたま市)
    • Year and Date
      2017-03-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] Energy loss in a flow through vegetation of vertically two different layers2017

    • Author(s)
      Ahmed F.N.,Pasha G.A., Tanaka, N.
    • Organizer
      土木学会関東支部発表会
    • Place of Presentation
      埼玉大学(埼玉県,さいたま市)
    • Year and Date
      2017-03-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] 堤防裏法の腹付盛土形状が洗掘量に及ぼす影響2017

    • Author(s)
      小野友香,八木澤順治,田中規夫
    • Organizer
      土木学会関東支部発表会
    • Place of Presentation
      埼玉大学(埼玉県,さいたま市)
    • Year and Date
      2017-03-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] Estimation of tsunami force reduction and the breaking mode of coastal trees applicable to coastal forest management as a bioshield2017

    • Author(s)
      Tanaka, N., Sato, H., Akasaki, Y., Torita, H.
    • Organizer
      37th IAHR World Congress
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effect of lined cylinders behind embankment on the energy reduction of overflowing water2017

    • Author(s)
      Igarashi, Y., Tanaka, N., Zaha, T.
    • Organizer
      37th IAHR World Congress
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Disaster reduction characteristics by a lagoon at the great east japan tsunami2017

    • Author(s)
      Akasaki, Y., Igarashi, Y., Tanaka, N.
    • Organizer
      37th IAHR World Congress
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effect of downstream revet to the embankment on time of failure due to overtopping2017

    • Author(s)
      Amo, N. T., Yagisawa, J., Tanaka, N.
    • Organizer
      37th IAHR World Congress
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 第2堤防設置が海岸堤防を越流する流れによって生じる洗掘深に与える影響2017

    • Author(s)
      五十嵐善哉, 田中規夫
    • Organizer
      土木学会第72回年次学術講演会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Ecosystem- based disaster risk reduction using a coastal lagoon2017

    • Author(s)
      Vinodh, T.L.C., Tanaka, N.
    • Organizer
      土木学会第72回年次学術講演会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 海岸樹林帯前後の多重防御構造がもたらす減勢効果の実験的検討2017

    • Author(s)
      君和田祐弥, 座波健仁, 田中規夫
    • Organizer
      第45回土木学会関東支部技術研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 沿岸で生じた流木の内陸樹林帯による捕捉機能と限界に関する実験的研究2017

    • Author(s)
      山﨑直樹, De Costa, R. S. G. S., 五十嵐善哉, 田中規夫
    • Organizer
      第45回土木学会関東支部技術研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Green infrastructure, ecosystem based disaster risk reduction and hybrid defence system in practice2017

    • Author(s)
      Tanaka, N.
    • Organizer
      5th Conference on Sri Lanka Japan Collaborative Research (SLJCR-2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Ecosystem-based Disaster Risk Reduction using a Coastal Lagoon2017

    • Author(s)
      Vinodh T.L.C., Igarashi, Y. Tanaka, N.
    • Organizer
      5th Conference on Sri Lanka Japan Collaborative Research (SLJCR-2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Factors affecting the washout situation of inland houses behind large seaward structures in the Ishinomaki port area after the Great East Japan Tsunami2017

    • Author(s)
      Zaha. T., Igarashi, Y., Tanaka N., Samarakoon, M.B.
    • Organizer
      5th Conference on Sri Lanka Japan Collaborative Research (SLJCR-2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 堤防天端の縦断的な波長が裏法面のガリー侵食に与える影響2017

    • Author(s)
      飯塚大和,八木澤順治
    • Organizer
      第45回土木学会関東支部技術研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 河川堤防における不等沈下の発生状況調査2017

    • Author(s)
      末永博,八木澤順治
    • Organizer
      第45回土木学会関東支部技術研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Study of levee crest undulations on scour characteristics after levee overtopping under different flow conditions2017

    • Author(s)
      Liaqat Ali, Junji Yagisawa
    • Organizer
      第45回土木学会関東支部技術研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 福島県相馬港周辺における樹林帯と段落ち部の組合せによる多重防御効果2016

    • Author(s)
      金井花笑,田中規夫
    • Organizer
      土木学会全国大会 第71回年次学術講演会
    • Place of Presentation
      東北大学(宮城県,仙台市)
    • Year and Date
      2016-09-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] 海岸堤防越流後の減勢に適した二重堤防構造の実験的検討2016

    • Author(s)
      五十嵐 善哉,田中 規夫
    • Organizer
      土木学会全国大会 第71回年次学術講演会
    • Place of Presentation
      東北大学(宮城県,仙台市)
    • Year and Date
      2016-09-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] Tsunami disaster mitigation by using retension characteristics of coastal lagoon2016

    • Author(s)
      Akasaki, Y., Tanaka, N.
    • Organizer
      International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS2016)
    • Place of Presentation
      University of Ruhuna, Galle, Sri Lanka
    • Year and Date
      2016-03-03
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Suitable second embankment structure behind sea embankment for energy dissipation to the overtopping flow of level-2 tsunami2016

    • Author(s)
      Igarashi, Y., Tanaka, N.
    • Organizer
      International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS2016)
    • Place of Presentation
      University of Ruhuna, Galle, Sri Lanka
    • Year and Date
      2016-03-03
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2019-03-29  

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