Formation Condition and Characteristics of Spatial-temporal Evolution of Chair Shaped Soil Landslide

Li Zhuojun; Deng Maolin; Zhou Jian; Zhang Fuling; Lin Yan

doi:10.13961/j.cnki.stbctb.2019.03.011

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Formation Condition and Characteristics of Spatial-temporal Evolution of Chair Shaped Soil Landslide

- Formation Condition and Characteristics of Spatial-temporal Evolution of Chair Shaped Soil Landslide
- Bulletin of Soiland Water Conservation Vol. 39, Issue 3, Pages: 65-69(2019)
- 作者机构：
  
  1. 三峡大学三峡库区地质灾害教育部重点实验室,湖北,宜昌,443002
  2. 三峡大学防灾减灾湖北省重点实验室,湖北,宜昌,443002
  3. 三峡大学湖北长江三峡滑坡国家野外科学观测研究站,湖北,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2019.03.011
  CLC： P642.22
- Published：2019
- 稿件说明：
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Li Zhuojun, Deng Maolin, Zhou Jian, et al. Formation Condition and Characteristics of Spatial-temporal Evolution of Chair Shaped Soil Landslide[J]. Bulletin of Soiland Water Conservation, 2019, 39(3): 65-69.
DOI：

Li Zhuojun, Deng Maolin, Zhou Jian, et al. Formation Condition and Characteristics of Spatial-temporal Evolution of Chair Shaped Soil Landslide[J]. Bulletin of Soiland Water Conservation, 2019, 39(3): 65-69. DOI： 10.13961/j.cnki.stbctb.2019.03.011.

摘要

[目的]对三峡库区靠椅状土质滑坡的形成条件和时空演化进行研究，为滑坡的监测预警提供理论基础支撑。[方法]以三峡库区典型靠椅状土质滑坡——白家包、八字门滑坡为例，通过与三峡库区典型滑坡的比较，从此类滑坡的特点入手，分析其形成条件；并结合香溪河流域的地形地貌特征分析此类滑坡时空演化过程。[结果]靠椅状土质滑坡形成条件与三峡库区其他典型滑坡有明显差异，香溪河流域的此类滑坡形成受河谷地貌影响明显。[结论]靠椅状土质滑坡的形成受岩性条件、滑面形态、地层状态等因素决定，香溪河流域的靠椅状土质滑坡是随着河谷的演化而逐渐形成的。

Abstract

[Objective] The formation conditions and spatial-temporal evolution of chair shaped soil landslide in the Three Gorges reservoir region were studied in order to provide the theoretical support for landslide monitoring and warning.[Methods] Taking Baijiabao and Bazimen landslides

the typical chair shaped soil landslide in the Three Gorges Reservoir area as examples

the formation conditions of these landslides were analyzed and compared with typical landslides in the Three Gorges Reservoir area. The spatial and temporal evolution of the landslides were analyzed based on the topographic and geomorphic characteristics of Xiangxi river basin.[Results] The formation conditions of chair shaped soil landslides were obviously different from other typical landslides in the Three Gorges reservoir region

and the formation of such landslides in Xiangxi river basin was obviously affected by valley topography.[Conclusion] The formation of chair shaped soil landslide is influenced by factors such as lithological conditions

sliding surface morphology and stratigraphic state. The chair shaped soil landslide in Xiangxi river basin is gradually formed with the evolution of the valley.

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references

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