Hydro-Geological Study of Landslides Caused by Heavy Rainfall on August 1998 in Fukushima, Japan.
-
- KAWAMOTO Ken
- Department of Civil and Environmental Engineering, Saitama University
-
- ODA Masanobu
- Department of Civil and Environmental Engineering, Saitama University
-
- SUZUKI Kiichi
- Department of Civil and Environmental Engineering, Saitama University
この論文をさがす
説明
Heavy rainfall over a wide area of northern Japan from August 26 to 31, 1998, triggered many landslides which caused serious damage to human lives as well as houses and civil engineering structures, particularly in Fukushima Prefecture. We report preliminary finding of a hydro-geological study of two landslide sites, Nishigo and Taishin, Fukushima. When the stability of slopes during a rainstorm is discussed, both the thickness and hydraulic conductivity of the surface soil must be taken into account, in addition to the rainfall intensity and cumulative rainfall. These hydro-geological factors are important, in particular for the prediction of the time of slope failure. In certain cases, the hydro-geological structure of the surface soils can be used as a diagnostic factor for slope stability. For example, an impermeable zone can obstruct the outflow of seepage water from a slope, so that a kind of underground dam is accidentally constructed in situ. In such a case, a site investigation, in which much attention is paid to the hydro-geological structure, is crucial for the discussion of slope stability.
収録刊行物
-
- Japan Society for Natural Disaster Science
-
Japan Society for Natural Disaster Science 22 (1), 13-23, 2000
日本自然災害学会
- Tweet
詳細情報 詳細情報について
-
- CRID
- 1390001206488004352
-
- NII論文ID
- 130004479295
- 30018744648
-
- ISSN
- 24346705
- 03884090
-
- 本文言語コード
- en
-
- データソース種別
-
- JaLC
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可