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2007 Fiscal Year Final Research Report Summary

Study on Time-Space Variations of Earthquake Waves Considering Non-Uniformity of Ground Surface Conditions

Research Project

Project/Area Number 17360209
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Structural engineering/Earthquake engineering/Maintenance management engineering
Research InstitutionSaitama University

Principal Investigator

KAWAKAMI Hideji  Saitama University, Geosphere Research Institute, Professor (50125887)

Co-Investigator(Kenkyū-buntansha) IWASHITA Kazuyosi  SAITAMA UNIVERSITY, Graduate school of Science and Engineering, Assoc. Prof. (40203377)
MOGI Hidenori  SAITAMA UNIVERSITY, Graduate school of Science and Engineering, Lecturer (80261882)
TANIYAMA Hisashi  SAITAMA UNIVERSITY, Graduate school of Science and Engineering, Res. Assoc. (80236710)
SAITO Masato  SAITAMA UNIVERSITY, Graduate school of Science and Engineering, Assoc. Prof. (40334156)
Project Period (FY) 2005 – 2007
Keywordsground motion / buried structure / earthquake / probabilistic process / seismometer array / interpolation / simulation / space-time wave field
Research Abstract

The purpose of this study is to clarify the effects of the conditions of the ground surface on the earthquake ground motions. Irregular shaped ground, lots of trees and buildings, Which are existing ordinally at the ground surface, were considered in this study. Even if it has been pointed out previously that the ground with an irregular surface may cause complicated seismic responses, the process of generating this complex response has not yet been clarified. In this study, such a process was also examined.
Regarding the effects of the irregular ground surface, for example, it has been pointed out that the ground with an irregular surface causes complicated seismic responses. However, the process of generating this complex response is not yet clarified. In this study, boundary element-perturbation method has been developed to investigate scattering of seismic waves due to an irregular surface. This method is based on the boundary element method in frequency domain and perturbation technique employing the Neumann series. By using this method, the ground response can be separated into those induced by incident waves and scattered waves. Numerical results showed that the amplitudes of the scattered waves are affected by both distance and direction of the irregular surface to the observation points.

  • Research Products

    (19 results)

All 2007 2006 2005 Other

All Journal Article (9 results) (of which Peer Reviewed: 3 results) Presentation (9 results) Remarks (1 results)

  • [Journal Article] A Note on Spatial Variations in Response Spectra of Earthquake Ground Motions2007

    • Author(s)
      Kawakami, H., Mogi, H. and Tingatinga, E.
    • Journal Title

      ISET Journal of Earthquake Technology 44

      Pages: 101-110

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
  • [Journal Article] Analysis of Scattered Waves on Ground with Irregular Topography Using the Direct Boundary Element Method and Neumann Series Expansion2007

    • Author(s)
      Mogi H. and Kawakami H.
    • Journal Title

      Bulletin of the Seismological Society of America 97

      Pages: 1144-1157

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
  • [Journal Article] A Note on Spatial Variations in Response Spectra of Earthquake Ground Motions2007

    • Author(s)
      Kawakami, H., Mogi, H. and Tingatinga, E.
    • Journal Title

      ISET Journal of Earthquake Technology Vol. 44, No. 1

      Pages: 101-110

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Three-dimensional Seismic Damage Simulation of Wooden Houses Using Rigid Body-Spring Method2007

    • Author(s)
      Kawakami, H., Tingatinga, E. and Chang, H.Y.
    • Journal Title

      Earthquake Resistant Engineering Structures VI, WIT Press Vol. 93

      Pages: 421-430

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Analysis of Scattered Waves on Ground with Irregular Topography Using the Direct Boundary Element Method and Neumann Series Expansion2007

    • Author(s)
      Mogi H. and Kawakami H.
    • Journal Title

      Bulletin of the Seismological Society of America Vol.97, No.4

      Pages: 1144-1157

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Simulation of Upward Seepage Flow Behavior Using One-Column Model by DEM Taking an Interaction with Fluid into Account2007

    • Author(s)
      Suzuki, K., Bardet, J. P., Oda, M., Iwashita, K., Tsuji, Y., Tanaka, T. and Kawaguchi, T.
    • Journal Title

      J. Geotech. and Geoenvir. Engrg., ASCE Volume 133, Issue 1

      Pages: 104-109

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Effects of Ground Motion Parameters and Cyclic Degradation Behaviors on Collapse Response of Steel Moment-Resisting Frames2006

    • Author(s)
      Chang H-Y. and Kawakami H.
    • Journal Title

      Journal of Structural Engineering, American Society of Civil Engineers 132

      Pages: 1553-1562

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
  • [Journal Article] Effects of Ground Motion Parameters and Cyclic Degradation Behaviors on Collapse Response of Steel Moment-Resisting Frames2006

    • Author(s)
      Chang H-Y. and Kawakami H.
    • Journal Title

      Journal of Structural Engineering, American Society of Civil Engineers Vol. 132, No. 10

      Pages: 1553-1562

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Analysis of Earthquake Wave Propagation in Buildings2005

    • Author(s)
      Kawakami H., Oyunchimeg M. and Tingatinga, E. A. J.
    • Journal Title

      Earthquake Resistant Engineering Structures V, WIT Transactions on the Built Environment Vol. 81

      Pages: 313-322

    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Seismic Retrofitting of Woodframed Buildings Using Three-Dimensional Rigid Body-Spring Method2007

    • Author(s)
      Kawakami, H., Tingatinga, E. and Chang, H.Y.
    • Organizer
      First International Workshop on Performance, Protection & Strengthening of Structures under Extreme Loading (PROTECT 2007)
    • Year and Date
      20070000
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Microtremor measurement for rock-fall hazard assessment2007

    • Author(s)
      Mogi, H., Osada, M. and Hashida, T.
    • Organizer
      6th Asian Regional Conference on Geohazards in Engineering Geology
    • Place of Presentation
      Seoul
    • Year and Date
      20070000
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Basement Rock in Metro Manila, Philippines Inferred Using Receiver Function Analyses of Strong Motion Accelerograms2007

    • Author(s)
      Rhommel, G., Mogi, H. and Kawakami, H.
    • Organizer
      IUGG XXIV General Assembly
    • Year and Date
      20070000
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Identification of Basement Rock Beneath Kanto Plain by Normalized Input-output Minimization (NIOM) Method and Conventional Receiver Function Using Strong Motion Accelerograms2007

    • Author(s)
      Rhommel, G., Mogi, H. and Kawakami, H.
    • Organizer
      IUGG XXIV General Assembly
    • Year and Date
      20070000
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Dynamic Stress Changes During the 2000 Tottori-ken-seibu Earthquake Inferred from Strong Motion Data2006

    • Author(s)
      Taniyama, H.
    • Organizer
      First European Conference on Earthquake Engineering and Seismology
    • Place of Presentation
      Geneva
    • Year and Date
      20060903-08
    • Description
      「研究成果報告書概要(和文)」より
  • [Presentation] An Innovative Strategy for Performance Assessment and Earthquake Retrofitting of Woodframed Buildings2006

    • Author(s)
      Kawakami, H., Tingatinga, E. and Chang, H.Y.,
    • Organizer
      1st European Conference on Earthquake Engineering and Seismology (P392A)
    • Year and Date
      20060000
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Improvement of Seismic Resistance of Adobe Structures2006

    • Author(s)
      Islam, M. Honda, K. and Iwashita, K.
    • Organizer
      First European Conference on Earthquake Engineering and Seismology (paper number 146)
    • Place of Presentation
      Geneva
    • Year and Date
      20060000
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Dynamic Stress Changes During the 2000 Tottori-ken-seibu Earthquake Inferred from Strong Motion Data2006

    • Author(s)
      Taniyama, H.
    • Organizer
      First European Conference on Earthquake Engineering and Seismology Abstract Book (pp.178)
    • Year and Date
      20060000
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Estimation of Damage to Buried Pipelines by Reverse Faults2005

    • Author(s)
      Taniyama, H.
    • Organizer
      Abstracts of IASPEI General Assembly (No. 639)
    • Year and Date
      20050000
    • Description
      「研究成果報告書概要(欧文)」より
  • [Remarks] 「研究成果報告書概要(和文)」より

    • URL

      http://www.saitama-u.ac.jp/kawakami/

URL: 

Published: 2010-02-04  

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