Anisotropy and heterogeneity of gravelly soil layer in Hualien, Taiwan

Y. Tanaka, T. Okamoto

研究成果

2 被引用数 (Scopus)

抄録

The Hualien Large-Scale Seismic Test program is under way to investigate Soil-Structure Interaction during large earthquakes in the field of Hualien, a high seismic region in Taiwan. In this report, the ground of the test site, which consists of a sand layer and a hard gravelly layer of Pleistocene origin, was characterized and modeled for accurate dynamic simulation analysis. The following conclusions were drawn. (1) It was revealed that anisotropic behavior of the gravelly layer observed in earthquake observation and forced vibration tests could be expressed by the orthotropic elastic body model. (2) For sands, the shear wave velocity measured by cyclic triaxial tests was almost the same as that by the velocity logging, whereas shear wave velocity of gravelly soils measured by cyclic triaxial tests was much smaller than that by the velocity logging. This difference is attributable to the effect of heterogeneity in the gravelly soil layer.

本文言語English
ホスト出版物のタイトルThe geotechnics of hard soils - soft rocks. Proceedings of the second international symopsium on hard soils-soft rocks, Naples, October 1998. (Two volumes).
編集者A. Evangelista, L. Picarelli, A. Evangelista, L. Picarelli
出版社A.A.Balkema
ページ889-900
ページ数12
ISBN(印刷版)9058090183
出版ステータスPublished - 1998 12 1
イベントProceedings of the second international symposium on hard soils-soft rocks 1998. - Naples, Italy
継続期間: 2098 10 122098 10 14

Conference

ConferenceProceedings of the second international symposium on hard soils-soft rocks 1998.
国/地域Italy
CityNaples
Period98/10/1298/10/14

ASJC Scopus subject areas

  • 地球惑星科学(全般)
  • 環境科学(全般)

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