中文摘要：

病险土石坝加固是当前水利行业大规模开展的工作，其加固后坝体的安全性评价是工程建设的关键技术问题。针对某工程实例，采用有限元分析软件对病险土石坝进行渗流稳定计算，并对其边坡稳定进行分析，验证其除险加固措施的合理性，评价坝体的安全性。分析得出，有限元渗流稳定分析和极限平衡计算是分析病险水库坝体安全性的有效方法，分析中应该重视基本参数的选择和对计算结果的评价，才能保证计算结果的准确性。

英文摘要：

The treatment of dangerous dams is an important work carrying out in large scale in water conservancy industry at present ,and the reinforced dam’s safety evaluation is the key technique in engineering construction .According to an engineering example ,the finite element analysis software is adopted for the seepage stability calculation of the dangerous dam and the stability analysis of its slope so as to verify the reasonableness of its reinforcement measures and evaluate the safety of the dam .It is obtained from the analysis that the seepage stability analysis with the finite element method and limit equilibrium calculation are the effective and common method for analyzing the dam safety of dangerous reservoirs , and the analysis should focus on the selection of basic parameters and the evaluation of calculation results so as to ensure the accuracy of calculation results .