Geometrical and Geotechnical Characteristics of Landslides in Korea under Various Geological Conditions
文献类型：期刊论文
| 作者 | Kyeong-Su KIM; Young-Suk SONG |
| 刊名 | Journal of Mountain Science
 |
| 出版日期 | 2015-09 |
| 卷号 | 12期号:5页码:1267-1280 |
| 关键词 | Landslides Geological condition Geometrical characteristics Precipitation Soil properties South Korea |
| ISSN号 | 1672-6316 |
| 通讯作者 | Young-Suk SONG |
| 英文摘要 | The goal of this study is to determine the geometrical and geotechnical characteristics of landslides under various geological conditions using detailed field surveys, laboratory soil tests and precipitation records. Three study areas are selected to consider different rocks, including gneiss in Jangheung, granite in Sangju and sedimentary rocks in Pohang, South Korea. Many landslides have occurred in these three areas during the rainy season. Precipitation records indicate that landslides occurring in the gneiss area of Jangheung and granite area of Sangju may be influenced by the hourly rainfall intensity rather than cumulative rainfall. However, landslides occurring in the sedimentary rock area of Pohang may be influenced by hourly rainfall intensity and cumulative rainfall. To investigate the factors that influence these types of landslides, a detailed landslide survey was performed and a series of laboratory soil tests were conducted. According to the detailed field survey, most landslides occurred on the flanks of mountain slopes, and the slope inclination where they occurred mostly ranged from 26 to 30 degrees, regardless of the geological conditions. The landslide in the gneiss area of Jangheung is larger than the landslides in the granite area of Sangju and sedimentary rock area of Pohang. Particularly, the landslide in the sedimentary rock area is shorter and shallower than the landslides in the gneiss and granite areas. Thus, the shape and size of the landslide are clearly related to the geological conditions.According to the integrated soil property and landslide occurrence analyses results, the average dry unit weight of the soils from the landslide sites is smaller than that of the soils obtained from the non-landslide site. The average coefficient of permeability of soils obtained from the landslide sites is greater than that of soils obtained from the non-landslide sites with the same geology. These results indicate that the soils from the landslide sites are more poorly graded or looser than the soils from the non-landslide sites. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/10894]  |
| 专题 | 成都山地灾害与环境研究所_Journal of Mountain Science _Journal of Mountain Science-2015_Vol12 No.5 |
| 推荐引用方式 GB/T 7714 | Kyeong-Su KIM,Young-Suk SONG. Geometrical and Geotechnical Characteristics of Landslides in Korea under Various Geological Conditions[J]. Journal of Mountain Science,2015,12(5):1267-1280. |
| APA | Kyeong-Su KIM,&Young-Suk SONG.(2015).Geometrical and Geotechnical Characteristics of Landslides in Korea under Various Geological Conditions.Journal of Mountain Science,12(5),1267-1280. |
| MLA | Kyeong-Su KIM,et al."Geometrical and Geotechnical Characteristics of Landslides in Korea under Various Geological Conditions".Journal of Mountain Science 12.5(2015):1267-1280. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。