振動場における粒状体の挙動に関する実験的研究

• 竹村 弥生

  立命館大学大学院 理工学研究科総合理工学専攻

• 建山 和由

  立命館大学 理工学部建築都市デザイン学科

書誌事項

タイトル別名

• EXPERIMENTAL RESEARCH ON BEHAVIOR OF SOIL PARTICLES IN OSCILLATORY FEILDS

抄録

 The subsidence of the ground during an earthquake is often understood to be a phenomenon induced by the liquefaction. However, the subsidence possibly occurs even in an unsaturated ground without the increase in excess pore water pressure during earthquake. It is thought to be induced by the shake packing of soil particles due to the oscillatory load during the earthquake. In this study, we discuss the relationship among the shake packing behavior, vibrating conditions and soil properties through the model test. In the model test, an electrical method was employed for monitoring the tangency among the particles during oscillation. Coal, which was an electrically conductive material, was employed to simulate the relative movement of soil particles. The electric resistance of coal depends on the tangency among the particles, therefore the tangency among coal particles during oscillation was evaluated by measuring their electric resistance. The results reveal that the relative movement among the particles can not be uniquely determined by the acceleration of the oscillation and that the ratio of particle size to the amplitude of the oscillation can be an important factor governing the relative movement among the particles.

収録刊行物

• 土木学会論文集C（地圏工学）

  土木学会論文集C（地圏工学） 68 (1), 127-137, 2012

  公益社団法人 土木学会

キーワード

• oscillatory field
• subsidence
• shake packing
• contact
• coke
• electric resistant
• acceleration
• particle size

詳細情報

• CRID: 1390001205356162944
• NII論文ID: 130004961924
• DOI: 10.2208/jscejge.68.127
• ISSN: 21856516
• 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