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边坡工程的稳定性一直以来都是备受关注的重点问题,变质岩地区的高陡岩质边坡由于其岩体形成过程的复杂性、结构的不均一性等特点,也给其稳定性研究带来了更多需要考虑的因素。该文通过对某变质岩地区港口工程开挖的高陡岩质边坡进行现场地质调查和试验,从整体稳定性和楔体稳定性两个方面进行研究,运用极限平衡法和有限差分法评价边坡的整体稳定性,运用楔体稳定分析程序WEDGE2.0评价边坡楔体的稳定性,根据分析结果提出工程治理建议,从而合理有效的控制了治理成本。本文提出的楔体识别方法和稳定性分析方法可作为楔体稳定性分析的一种基本思路,与同行分享。
The stability of slope engineering has always been a key issue of great concern. The high and steep rock slopes in the metamorphic rock are also characterized by the complexity of the rock mass formation process and the structural heterogeneity. Research has brought more factors to consider. In this paper, through on-site geological survey and experiment on the high and steep rock slope excavated in the port project of a metamorphic rock area, the author studies the overall stability and the wedge stability by using the limit equilibrium method and the finite difference method The overall stability of the slope, the use of wedge stability analysis program WEDGE2.0 evaluation slope stability of the wedge, according to the results of the proposed project management recommendations, so as to reasonably and effectively control the cost of governance. The wedge identification method and stability analysis method proposed in this paper can be used as a basic idea of wedge stability analysis and share with peers.