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Strong ground motionsimulation using dynamic rupture model and application to the historical earthquake

Research Project

Project/Area Number 12680461
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Natural disaster science
Research InstitutionThe University of Tokyo

Principal Investigator

MIYATAKE Takashi  Earthquake Research Inscitnte, The University of Tokyo, Associate Professor, 地震研究所, 助教授 (60126183)

Co-Investigator(Kenkyū-buntansha) SAKAI Yuki  Earthquake Research Inscitnte, The University of Tokyo, Research Associate, 地震研究所, 助手 (10235129)
KUBO Kazuyoshi  Earthquake Research Inscitnte, The University of Tokyo, Associate Professor, 地震研究所, 助教授 (50012935)
Project Period (FY) 2000 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 2001: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 2000: ¥2,000,000 (Direct Cost: ¥2,000,000)
KeywordsStrong Ground Motion / Earthquake Source Process / 強震動シミュレーション / 被害地震
Research Abstract

Computer simulation was used to study the nature of the strong ground motion near the strike slip fault. The faulting process was modeled by stress release with fixed rupture velocity in a uniform elastic half-space or layered half space. The fourth-order 3D finite difference method with staggered grids was employed to compute both ground motions and slip-histories on the fault. The fault rupture was assumed to start from a point and propagate circularly with 0.8 times shear wave velocity. In the present paper, we focused on the spatial pattern of ground velocity vectors I.e. the direction of strong motions. In the case of bilateral rupture propagation, the strong fault parallel ground motion appeared near the center of the fault.
The fault normal motions of ground velocity appeared near the edges of the fault.
In the case of unilateral rupture, the fault parallel motion appeared near the starting point but the amplitude was lower than that for the bilateral rupture case. The fault normal motion was predominant near the terminal point of the rupture. The results were applied to the earthquake damage data, especially the directions that simple bodies overturned and wooden houses collapsed caused by the 1927 Tango, the 1930 Kita-Izu, and the 1948 Fukui earthquakes.
The spatial distributions of the direction data were found to reflect the strong ground motions generated from the earthquake source process.

Report

(3 results)
  • 2001 Annual Research Report   Final Research Report Summary
  • 2000 Annual Research Report
  • Research Products

    (19 results)

All Other

All Publications (19 results)

  • [Publications] 宮武 隆: "震源物理に基づく震源モデル-強震動予測のために-"月刊地球号外号「最近の強震動予測研究-どこまで予測可能となったのか?-」. 月刊地球号外号. (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 境有紀, 纐纈一起, 神野達夫: "建物被害率の予測を目的とした地震動の破壊力指標の提案"日本建築学会構造系論文集. 555. (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 吉岡伸悟, 境有紀, 工藤一嘉, 壁谷澤寿海: "鉄筋コンクリート造学校建物で観測された強震記録と地震応答解析"コンクリート工学年次論文報告集. 23・3. 1195-2000 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 境有紀, 吉岡伸悟, 纐纈一起, 壁谷澤寿海: "1999年台湾集集地震に基づいた建物被害を予測する地震動の破壊力指標の検討"日本建築学会構造系論文集. No.549. 43-50 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Miyatake, T.: "Computer simulation of strong ground motion near the fault using dynamic modeling : Spatial pattern of the peak ground velocity vectors"PAGEOPH. 157. 2063-2081 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Nakamura, H, T. Miyatake: "An approximate expression of slip velocity time function for simulation of near-field strong ground motion"Zishin. 53. 1-9 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Sakai Y, K. Koketsu, S. Yoshioka, T. Kabeyasawa: "Damage to Buildings Caused by the 1999 Chi-Chi, Taiwan Earthquake and Earthquake Response Analyses Using Recorded Strong Ground Motions"Bull. Earthq. Res. Inst., Univ. of Tokyo. 75. 15-32 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Sakai Y, T. minami, T. Kabeyasawa: "Simplification of strong ground motion considering inelastic responses of structures"Earthquake Engng Struct. Dyn.. 29. 829-846 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Sakai Y, S. Yoshioka, K. Koketsu, T. Kabeyasawa: "Investigation on indices of representing destructive power of strong ground motions to estimate damage to buildings based on the 1999 Chi-Chi Earthquake, Taiwan"J. Struct. Constr. Eng., AIJ. No. 549. 43-50 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Kudo, K., T. Kanno, H. Okada, O. Ozel, M. Erdik: "Microtremors and Aftershock Observations"Infenaitional Journal for Housing Science and Its Applications,. 24. 99-104 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 宮武 隆: "震源物理に基づく震源モデル--強震動予測のために--"月刊地球号外号「最近の強振動予測研究-どこまで予測可能となったのか?-」. 月刊地球号外号. (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] 境有紀, 纐纈一起, 神野達夫: "建物被害率の予測を目的とした地震動の破壊力指標の提案"日本建築学会構造系論文集. 555. (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] 吉岡伸悟, 境有紀, 工藤一嘉, 壁谷澤寿海: "鉄筋コンクリート造学校建物で観測された強震記録と地震応答解析"コンクリート工学年次論文報告集. 23・3. 1195-2000 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 境有紀, 吉岡伸悟, 纐纈一起, 壁谷澤寿海: "1999年台湾集集地震に基づいた建物被害を予測する地震動の破壊力指標の検討"日本建築学会構造系論文集,. No.549. 43-50 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Tokashi MIYATAKE: "Computer Simulation of Strong Ground Motion near a Fault using dynamic fault Rupture modeling : Spatial distribution of the Peak Ground Velocity Vectors"Pure and Applied Geophysics. 157. 2063-2081 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 中村洋光,宮武隆: "断層近傍強震動シミュレーションのための滑り速度時間関数の近似式"地震. 53・1. 1-9 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 境有紀,南忠夫,壁谷澤寿海: "地震動の単純化および距離減衰式を用いて基盤動をサイン波1波で与える方法"構造工学論文集. 46B. 399-404 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Sakai,Y.,Minami,T.and Kabeyasawa,T: "Simplification of Strong Ground Motion Considering Inelastic Responses of Structures"Earthquake Engineering and Structural Dynamics. 29,6,. 823-846 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Kudo,K.,T.Kanno,H.Okada,O.Ozel,and M.Erdik: "Microtremors and Aftershock Observations"International Journal for Housing Science and Its Applications. 24、1. 99-104 (2000)

    • Related Report
      2000 Annual Research Report

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Published: 2000-04-01   Modified: 2016-04-21  

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