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《Chinese Journal of Underground Space and Engineering》 2007-S2
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Unified Solution of Safety Factor for Slope Stability

JING Chang - rong (Baoji First Building Engineering Company, Baoji, Shaanxi 721006,China)  
The slope exists widely at mountains, permafrost and loess area. The landslide of the slope is characterized by shallow sliding, easily defining slide face and effect from rainfall and groundwater. In general stability anly-sis, the groundwater streamline was treated as parallel line with slope surface and horizontal line. Based on pore water pressure of two kinds of special seepage conditions for infinite slope, a unified safety factor formula has been derived acoording to the effective stress principle, then integrated stability analysis method of infinite slope was obtained and verified by engineering examples. The stability analysis method presented may be taken as the reference for landslide of infinite slope with similar conditions, especially to the slope of important highway , nearby bridge opening, with complicated seepage conditions and clear seepage flow net. It is also practical guideline for stability analysis and checking calculation against sliding for dam foundation.
【CateGory Index】: TU43
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