| Summary: | 碩士 === 國立中央大學 === 土木工程學系 === 105 === The norms related to slope stability in Taiwan are generally based on the overall factor of safety, but the analysis process for safety factor is not required in detail. Whenever a disaster coming, it is easy to be controversial. Conventional limit equilibrium method for analysis can quickly get a potential surface and factor of safety. It’s still trusted by the engineering community. Engineers need to rely on their experience, because these methods of slices have different assumptions. In this paper, a series analysis for 43 cases by limit equilibrium method. Different commercial program, search method and method of slices are used to analyze simple slopes, natural slopes, and embankment dam. Points out the emphasis of the analysis process, and discusses the three factors that cause the uncertainty.
The results show that the commercial program has the most significant effect on the analysis of the circular sliding surface, and search method is second. The influence of the slicing method is the most regular and predictable. When analyzing the non-circular surface, applicability of search methods and method of slices for the case needs to be considered.
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