書誌事項
- タイトル別名
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- Interpretation of existing constitutive models for unsaturated soil and the general expression of the constitutive model considering hysteresis of the water retention characteristic curve
- キソン ノ フホウワド コウセイ モデル ノ カイシャク オヨビ スイブン トクセイ キョクセン ヒステリシス オ コウリョ シタ モデル ノ イッパンテキ ナ ヒョウゲン ホウホウ
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抄録
There are some constitutive models for unsaturated soil. However, their mathematical structures, particularly for expression of collapse phenomenon, are essentially the same. Therefore, it is possible to unify the constitutive models which were proposed in the past. In this paper, a generalized constitutive model for unsaturated soils is presented. First, we outline existing constitutive models for unsaturated soil and, next, we propose a comprehensive constitutive model for unsaturated soils in terms of the effective stress for unsaturated soils. To this new elasto-plastic model, it is easier to introduce sophisticated methods such as a rotational hardening, a subloading surface and so forth. This model is formulated in the form of incremental general stress and strain relationship and is incorporated into a finite element code, DACSAR-U, for unsaturated soils. The performance of the new constitutive model is demonstrated by comparing with the models proposed by Karube et at and by Honda et al
収録刊行物
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- 応用力学論文集
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応用力学論文集 7 505-513, 2004
公益社団法人 土木学会
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詳細情報 詳細情報について
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- CRID
- 1390001205206515968
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- NII論文ID
- 130004091612
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- NII書誌ID
- AA11311063
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- ISSN
- 1884832X
- 13459139
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- NDL書誌ID
- 7122435
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- データソース種別
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- JaLC
- NDL
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- 使用不可