不同边坡稳定性分析方法对比及适用性分析
Comparison and Applicability Analysis of Different Slope Stability Analysis Methods
在高速公路建设日益向复杂地形条件延伸的背景下，边坡稳定性分析在保障工程安全方面的重要性愈加凸显。不同分析方法在适用范围、计算精度、复杂度及工程实用性方面存在显著差异，合理选择适宜的方法对于边坡稳定性评估具有重要意义。本研究聚焦边坡稳定性分析中应用最广的三种典型方法——基于极限平衡理论的折线法、改进型条分法简化Bishop法以及基于数值模拟的有限元强度折减法，通过建立多维度评价体系系统评估其工程适用性。通过实例分析计算与具体比较，得出折线法适用于计算简便、地质条件较简单的边坡分析，简化Bishop法在计算精度和适用性上较前者有所提升，而有限元强度折减法在复杂工况下具有更高的适应性和精度。为不同工程场景下的方法选择提供科学依据。
水工勘测、水工设计
边坡稳定分析折线法简化Bishop法强度折减法
彭一宸,伍毅敏,刘垚,李泽龙.不同边坡稳定性分析方法对比及适用性分析[EB/OL].(2025-07-22)[2025-10-24].https://chinaxiv.org/abs/202507.00436.点此复制
Under the background of highway construction increasingly extending to complex terrain conditions, the importance of slope stability analysis in guaranteeing engineering safety has become more and more prominent. There are significant differences in the scope of application, computational accuracy, complexity, and engineering practicability of different analysis methods, and it is important to reasonably select the appropriate method for slope stability assessment. In this study, we focus on three typical methods that are most widely used in slope stability analysis, namely, the folding method based on limit equilibrium theory, the simplified Bishop method with improved bar division method, and the finite element strength reduction method based on numerical simulation, and systematically assess their engineering applicability through the establishment of a multi-dimensional evaluation system. Through the example analysis and calculation and specific comparison, it is concluded that the folding line method is suitable for slope analysis with simple calculation and simpler geological conditions, the simplified Bishop method is improved in terms of calculation accuracy and applicability compared with the former, and the finite element strength reduction method has higher adaptability and accuracy under complex working conditions. It provides scientific basis for the selection of methods under different engineering scenarios.
Slope stability analysisFolding methodSimplified Bishop's methodStrength discounting method
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