On ageing of liquefaction resistance of sand

• Towhata Ikuo

  Department of Civil Engineering, The University of Tokyo

• Goto Shigeru

  Department of Civil Engineering, The University of Tokyo

• Taguchi Yuichi

  Fudo Tetra Corporation

• Hayashida Toshihiko

  Fudo Tetra Corporation

• Shintaku Yuki

  The University of Tokyo

• Hamada Yuki

  Department of Civil Engineering, The University of Tokyo

抄録

Mechanical properties of subsoil are frequently subject to temporal change and liquefaction resistance is not an exception. The experiences during the 2011 gigantic earthquake in Japan illustrated that more aged soils did not develop liquefaction. Since this effect of soil age is not explicitly accounted for by existing codes, the authors attempted to interpret cases where subsoil of known age liquefied or not liquefied during past earthquakes. It was found that liquefaction resistance increases after hundreds of years and that the increase of 40% is reasonably supposed to occur after 400 years. Further study was conducted on the mechanism of ageing in which grain dislocation was focused on.

収録刊行物

• Japanese Geotechnical Society Special Publication

  Japanese Geotechnical Society Special Publication 2 (21), 800-805, 2016

  公益社団法人 地盤工学会

キーワード

• liquefaction
• ageing
• case history
• grain fabric

詳細情報

• CRID: 1390001205764514304
• NII論文ID: 130005123934
• DOI: 10.3208/jgssp.jpn-072
• ISSN: 21888027
• Web Site: https://www.jstage.jst.go.jp/article/jgssp/2/21/2_JPN-072/_pdf
• 本文言語コード: en
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• 抄録ライセンスフラグ: 使用不可