Volume 12 Issue 4
Apr.  2011
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YAO Aijun, YI Wu, WANG Shangqing. 2004: FACTORS FOR INSTABILITY OF THE LANDSLIDE NO.1 IN YANGJIALING AND THEIR SENSITIVITY ANALYSIS. JOURNAL OF ENGINEERING GEOLOGY, 12(4): 390-395.
Citation: YAO Aijun, YI Wu, WANG Shangqing. 2004: FACTORS FOR INSTABILITY OF THE LANDSLIDE NO.1 IN YANGJIALING AND THEIR SENSITIVITY ANALYSIS. JOURNAL OF ENGINEERING GEOLOGY, 12(4): 390-395.

FACTORS FOR INSTABILITY OF THE LANDSLIDE NO.1 IN YANGJIALING AND THEIR SENSITIVITY ANALYSIS

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  • Received Date: 2003-12-01
  • Rev Recd Date: 2004-02-25
  • Publish Date: 2004-12-15
  • The geological conditions of the Yangjialing landslide are complicated, and it has seriously affected the national highway. This paper presents various factors that influence the landslide stability followed with their respective sensitivity analysis. Results indicate that many factors affect landslide stability, including the gravity density of the rock-soil, values of c and of the slipband, values of c and of the slide-body, the dynamic of groundwater in the landslide body, earthquake activities and others. Among them, the anti-shearing strength indices (c、 ) of the slipband, groundwater and earthquake activities are the most sensitive factors, which may trigger the landslide. At the end, an optimum reinforce azimuth is established for landslide control based on the relationship between the stability coefficient, the reinforce force and the azimuth of the slope surface, which provides a guideline for the integrated control of the landslide.
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