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基于毕肖普法的边坡稳定性分析与支护设计研究

Research on Slope Stability Analysis and Support Design Based on the Bishop Method

  • 摘要: 拟建工程位于丘陵地区,山坡起伏大,自然地势的最大高差达50 m,因此需结合工程自然地理条件和工程地质条件,对边坡设计进行分析研究。文章以毕肖普法对挖方区、填方区和自然边坡3种边坡稳定性进行分析,得出拟建工程进行边坡支护的必要性;根据边坡失稳后的严重性、边坡类型和边坡高度,确定本工程边坡安全等级为一级;通过对边坡支护体系和锚拉体系的选型分析,对挖方区、填方区和自然边坡3种情况分别提出了不同的支护型式,减少工程造价。

     

    Abstract: The proposed project is located in a hilly area with significant terrain fluctuations, where the maximum natural elevation difference reaches 50 meters. Therefore, it is necessary to analyze and design the slope based on the natural geographical and engineering geological conditions of the project. This study employs the Bishop method to analyze the stability of three types of slopes, which are cut sections, fill sections, and natural slopes, and concludes that slope support is essential for the proposed project. Based on the severity of potential slope instability, slope type, and slope height, the safety level of the slope in this project is determined as Grade I. Through the selection analysis of slope support systems and anchor systems, different support types are proposed for cut sections, fill sections, and natural slopes, thereby reducing project costs.

     

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