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Estimation of the Seismic Risk of Water Supply System

Research Project

Project/Area Number 25420491
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Structural engineering/Earthquake engineering/Maintenance management engineering
Research InstitutionTokyo City University

Principal Investigator

Maruyama Osamu  東京都市大学, 工学部, 教授 (50209699)

Project Period (FY) 2013-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords地震リスク / 上水道システム / 確率論的最大損失 / 中心極限定理 / ネットワークシステム / 最小費用流問題 / seismic risk / water supply system / probable maximum loss / central limit theory / network theory / 地震リスク解析 / 地理情報システム / ハザードマップ / 空間的被害相関
Outline of Final Research Achievements

The numerous major earthquakes in Japan, such as the Great Hanshin-Awaji earthquake, Tohoku Regional Pacific Coast earthquake caused substantial casualties and property damages. Private companies/public utility enterprises should provide disaster reduction investment as part of risk management and prepare a strategic Business Continuity Plan.
The significance of the Business Continuity Plan has been increasingly important in the connection of corporate social responsibility. This study focuses on the seismic risk analysis of the existing water supply system. The probable maximum loss index is employed to evaluate the seismic risk. An alternative method is proposed to evaluate Probable Maximum Loss index of the high order water supply network system.

Report

(5 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (5 results)

All 2015 2013

All Presentation (5 results)

  • [Presentation] Estimation of Probable Maximum Loss Index of Water Supply System2015

    • Author(s)
      Osamu Maruyama
    • Organizer
      The fifth International Symposium on Geotechnical Safety and Risk (ISGSR2015)
    • Place of Presentation
      オランダ ロッテルダム
    • Year and Date
      2015-10-14
    • Related Report
      2015 Research-status Report
  • [Presentation] Estimation of Probable Maximum Loss Index of Water Supply System2015

    • Author(s)
      Osamu Maruyama
    • Organizer
      5th International Symposium for Geotechnical Safety and Risk (ISGSR2015)
    • Place of Presentation
      Rotterdam, Netherlands
    • Year and Date
      2015-10-13 – 2015-10-16
    • Related Report
      2014 Research-status Report
  • [Presentation] Seismic Damage Prediction of Water Supply System with PML Index2013

    • Author(s)
      Osamu Maruyama, Riku Komatsu
    • Organizer
      The 13th East Asia Pacific Conference on Structural Engineering and Constraction
    • Place of Presentation
      北海道大学,札幌
    • Related Report
      2013 Research-status Report
  • [Presentation] 2変数ポアソン分布に基づく上水道システムの構造的損失評価2013

    • Author(s)
      小松陸,丸山收
    • Organizer
      第68回土木学会年次学術講演会
    • Place of Presentation
      日本大学生産工学部,津田沼
    • Related Report
      2013 Research-status Report
  • [Presentation] ネットワークの連結性を考慮した上水道システムの機能的損失2013

    • Author(s)
      川端庸介
    • Organizer
      第68回土木学会年次学術講演会
    • Place of Presentation
      日本大学生産工学部,津田沼
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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