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三峡库区巫山县四期移民工程建设中形成不少高边(切)坡,高边(切)坡可能存在的失稳、变形将威胁到新建城镇基础设施、建构筑物和人民生命财产的安全。现以巫山县城西部教师新村的一处高边(切)坡为例,探讨了高边(切)坡稳定性影响因素,采用极限平衡法及工程地质类比法等分析方法对其稳定性进行了计算分析和预测评价,并提出了“毛石混凝土挡土墙+削坡+混凝土格构锚杆支护+排水工程”的工程治理方案。
In the construction of the fourth phase of the Wushan County resettlement in the Three Gorges Reservoir Area, there may be instability and instability in many high-grade (cut) slopes and high-grade (cut) slopes that will threaten the safety of new urban infrastructure, buildings and people’s lives and properties . Taking a high-grade (cut) slope of teachers’ village in the west of Wushan county as an example, the influencing factors on the stability of high-grade (cut) slope are discussed. The stability of the high-grade (cut) slope is studied by the methods of limit equilibrium and engineering geology analogy Calculation and analysis and prediction and evaluation, and put forward the project management plan of “stone concrete retaining wall + slope cutting + concrete lattice bolt supporting + drainage engineering”.