A Randomized Algorithm for Anti-Seismic Reinforcement Strategies of A Urban Road Network

• Project/Area Number: 26630234
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Civil engineering project/Traffic engineering
• Research Institution: Tohoku University
• Principal Investigator: Nagae Takeshi 東北大学, 工学(系)研究科(研究院), 准教授 (30379482)
• Project Period (FY): 2014-04-01 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000); Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000); Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
• Keywords: 防災計画 / 交通計画 / 組み合わせ最適化 / 確率的アルゴリズム / 非凸0-1整数計画問題 / cross entropy法 / Gibbs cloner法 / 道路ネットワークの信頼性 / 乱択アルゴリズム / cross entropy 法 / Gibbs cloner 法 / Cross entropy 法

Outline of Final Research Achievements

This study develops a novel methodology for analyzing an efficient anti-seismic reinforcement problem of a urban road network, taking into account the possibilities of simultaneous failure of multiple transportation facilities.

Research Products

• [Presentation] 道路ネットワーク強靭化のための耐震化戦略:Gibbs cloner and cross-entropy アプローチ (2015)
  • Author(s): 武井伸生，長江剛志
  • Organizer: 第52回土木計画学研究発表会
  • Place of Presentation: 秋田大学(秋田県秋田市)
  • Year and Date: 2015-11-22
• [Presentation] Anti-seismic reinforcement strategy for an urban road network: a cross-entropy approach (2015)
  • Author(s): Nagae, T. and Takei, N.
  • Organizer: the 6th International Symposium on Transportation Network Reliability (INSTR)
  • Place of Presentation: Nara Kasugano International Forum (Nara, Japan)
  • Year and Date: 2015-08-02
  • Int'l Joint Research
• [Presentation] 乱択アルゴリズムによる道路ネットワーク耐震化問題の解法 (2015)
  • Author(s): 武井 伸生・長江 剛志
  • Organizer: 第29回人口知能学会全国大会
  • Place of Presentation: 公立はこだて未来大学(北海道函館市)
  • Year and Date: 2015-05-30
• [Presentation] Estimating Expected Social Losses from Wide-Area Damage on An Urban Road Network for An Anti-Seismic Reinforcement Problem: A Cross-Entropy Approach (2014)
  • Author(s): Takei, Nobuo and Nagae, Takeshi
  • Organizer: he 19th Hong Kong Society of Transportation Studies International Conference
  • Place of Presentation: 中国，香港
  • Year and Date: 2014-12-13 – 2014-12-15
• [Presentation] 道路ネットワーク耐震化戦略のための便益推計手法：クロスエントロピー法 (2014)
  • Author(s): 武井伸生，長江剛志
  • Organizer: 第50回土木計画学研究発表会
  • Place of Presentation: 鳥取大学，鳥取県鳥取市
  • Year and Date: 2014-11-02 – 2014-11-04
• [Presentation] 道路ネットワーク耐震化の便益推計手法の比較 (2014)
  • Author(s): 武井伸生・長江剛志
  • Organizer: 第9回防災計画研究発表会
  • Place of Presentation: 東北大学，宮城県仙台市
  • Year and Date: 2014-09-20 – 2014-09-21
• [Book] 道路交通の信頼性評価 (2014)
  • Author(s): 中山昌一郎・朝倉康夫(編)
  • Total Pages: 318
  • Publisher: コロナ社