A method for microscopic unsaturated soil-water interaction analysis based on DDA

Longxiao Guo, Tonglu Li, Guangqi Chen, Pengcheng Yu, Xinyan Peng, Deguang Yang

研究成果: Contribution to journalArticle査読

13 被引用数 (Scopus)

抄録

Unsaturated soil is a three-phase discontinues system, and microscopic analysis can provide an intrinsic understanding for macroscopic mechanical behavior of the soil. Discontinuous Deformation Analysis (DDA) has the advantage for analyzing the material like granular aggregates. Based on capillary mechanics, a newly developed algorithm is applied in conventional DDA code, which treats a DDA element as an ideal soil particle and exerts capillary force among elements. Then, to validate the extended method, an ideal microscopic soil model is established, and the simulation results are in good agreement with typical analytical solutions. It indicates that the developed DDA is reliable and applicable to explore unsaturated soil behaviors microscopically.

本文言語英語
ページ(範囲)143-151
ページ数9
ジャーナルComputers and Geotechnics
108
DOI
出版ステータス出版済み - 4 2019

All Science Journal Classification (ASJC) codes

  • 地盤工学および土木地質学
  • コンピュータ サイエンスの応用

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