書誌事項
- タイトル別名
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- Experimental Study on a Mechanism of the Steep Slope Failure.
- キュウコウバイ シャメン ノ ホウカイ ハッセイ キコウ ニ カンスル ジッケンテキ ケンキュウ
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抄録
In order to examine the mechanism of the collapse of steep unsaturated slope, 2 types of experiments were carried out. One is the series of the laboratory model experiments of sandy steep slope failure caused by artificial rainfall. Another is the series of triaxial compression tests of the sandy soil under different saturation ratios.<br>As the results of these experiments, deformation characteristics of unsaturated soil mentioned below have been made clear.<br>(1) The basic relationship between shear strain of the unsaturated soil and saturation ratio is hyperbolic. If the saturation ratio becomes larger, the shear strain becomes larger.<br>(2) If the normal stress becomes larger, the hyperbolic curve of the laboratory tests between the shear strain and the saturation ratio moves to the higher saturation ratio region. But, on the contrary, the relationship curve of the triaxial compression tests moves to the lower saturation ratio region if the confining stress becomes larger.<br>(3) In the laboratory tests, the relationship between shear strain and saturation ratio moves to lower saturation ratio region if the surface slope gradient becomes larger. This result of laboratory tests coincides with the fact that shear strain proceeds in the lower saturation ratio region if the stress ratio becomes larger.
収録刊行物
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- 地すべり
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地すべり 32 (4), 1-8, 1996
公益社団法人 日本地すべり学会
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詳細情報 詳細情報について
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- CRID
- 1390001204546030592
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- NII論文ID
- 10013869950
- 10010864429
- 10006145515
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- NII書誌ID
- AN00332562
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- ISSN
- 18843956
- 02852926
- http://id.crossref.org/issn/02852926
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- NDL書誌ID
- 6736691
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可