[Updated on Apr. 18] Integration of CiNii Articles into CiNii Research

DAMAGE ASSESSMENT ON SEWER BURIED PIPELINES IN THE 2018 HOKKAIDO IBURI TOBU EARTHQUAKE

  • MINAKAWA Taiga
    筑波大学 理工情報生命学術院 システム情報工学研究群研究群
  • SHOJI Gaku
    筑波大学 システム情報系

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  • 2018年北海道胆振東部地震において被災した下水道埋設管路の被害の傾向

Abstract

<p> We analyzed seismic damage data on sewer buried pipelines at Atuma, Abira and Mukawa in Hokkaido subjected to strong ground motions in the 2018 Hokkaido Iburi Tobu earthquake. We revealed the characteristics of the damage ratio to the ground motion intensities from view of points of pipe types, diameter and classification of microtopography, and the relations of multi-variates on the damage ratio. Further we analyzed the dependency of the damage ratio on the ground motion intensities and modeled the trend of damage ratio data by using PGA, PGV and instrumental seismic intensity IJ.</p>

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