随着我国经济战略逐渐向西部倾斜及国家西部大开发战略的实施，黄土地区高速公 路建设的快速发展，将会面临及其复杂的地质环境，黄土边坡的稳定性问题已成为当前 需要认真研究的重要课题之一。因此，正确评价边坡的稳定性，使工程建设符合安全、 合理的原则，是十分重要的。 以铜黄高速公路K178+500~700 滑坡为工程背景，通过理论分析和数值计算等综合 研究手段，开展了“滑坡稳定性分析及加固技术研究”。本文对滑坡区的地理位置、气象 水文、地形地貌、地层岩性及地质构造进行了详细介绍，结合这些工程地质条件，根据 现场调查，从滑坡的形态、变形、结构、滑带土和滑面等方面充分认识了滑坡的特征。 认真分析了本段滑坡的情况，提出了该滑坡的形成机制，从滑坡的形态、变形、结构、 滑带土和滑面等方面充分认识了滑坡的特征。认真分析了本段滑坡的情况，提出了该滑 坡的形成机制，从而得出了影响该滑坡形成的敏感性因素主要为软弱结构面和高临空条 件。滑坡的稳定性采用定性和定量分析的方法，定性分析了该滑坡在天然状况下处于稳 定状态。根据地质勘察资料及室内试验，确定了滑坡的力学参数；采用传递系数法，对 滑坡的稳定性系数进行了计算与分析，得出该滑坡目前处于次稳定—稳定状态。应用 ANSYS 有限元软件对滑坡进行了数值模拟研究， 通过应力应变分析表明，在滑坡的岩土 层交界面处滑动趋势相对较大。最后提出治理该滑坡的方案为抗滑桩、重力式挡墙和排 水措施相结合的复合加固措施，滑坡在加固施工过程中应注意的有关事项。 本文以铜黄高速公路实际工程为背景，对滑坡稳定性进行了分析计算和滑坡的治理 对策进行了研究，对今后在高速公路治理类似滑坡具有一定的借鉴作用。

With China's economic strategy is leaning to the west and the implementation of the national western development strategy, the loess area, the rapid development of highway construction, will face and its complex geological environment, the stability of loess slope problems has become one of the important subject currently needs careful study. Therefore, correct evaluation of slope stability, make the engineering construction conform to the principle of safe, reasonable, is very important. With copper K178+500~700 tonghuang highway landslide as the engineering background, through the integrated research methods such as theoretical analysis and numerical calculation, carried out "landslide stability analysis and reinforcement technology research". In this paper, the landslide area location, weather, hydrology, topography, stratum lithology and geological structure is introduced in detail, combining with the engineering geological conditions, according to field investigation, from landslide, structure, morphology, deformation and sliding surface of sliding zone, fully understand the characteristic of the landslide. Seriously analyzed the landslide, this paragraph presents the formation mechanism of the landslide, and the sensitive factors affecting the formation of the landslide is obtained for the weak structural plane and high opening conditions. The stability of the landslide with the method of qualitative and quantitative analysis, qualitative analysis of the landslide under natural conditions in a stable state. According to the geological investigation data and indoor test, the stability of landslide is calculated by the limit equilibrium state, the mechanical parameters of landslide is defined; Using transfer coefficient method, the stability coefficient of landslide has carried on the calculation and analysis, concluded that the landslide is at a stable time, steady state. ANSYS finite element software to research the landslide are simulated through the stress and strain analysis showed that the interface of landslide sliding trend is relatively large. Finally bring forward the scheme of governance of the landslide anti-slide pile, gravity retaining wall and drainage measures of combining the composite reinforcement measures, landslide should be paid attention to in the process of strengthening construction of related matters. Based on the actual copper tonghuang highway project as the background, has carried on the analysis and calculation on the stability of landslide and landslides are studied, some counter measures in highway management for the future similar landslide has a certain reference.