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针对南京某边坡工程实例,对土质边坡的稳定性分析与加固方案设计进行了研究。利用基于有限元强度折减法基础上的MIDAS/GTS软件进行边坡稳定性分析,同时对锚索抗滑桩与格构梁锚杆联合支护方案建立三维有限元模型进行模拟计算,并对桩身内力、位移及支护后整体边坡的稳定性等计算结果分析,验证了在保证安全性前提下,达到经济性的优化效果;最后对边坡加固方案设计进行了总结,得出一些有意义的结论,对类似工程有一定的借鉴作用。
Aiming at a slope project in Nanjing, the stability analysis and reinforcement scheme design of soil slope are studied. The slope stability analysis based on the finite element strength reduction method based on MIDAS / GTS software was carried out. At the same time, a three-dimensional finite element model was established to simulate the joint support scheme of anti-slide piles and lattice girders. The internal force, displacement and the stability of the whole slope after the support are analyzed, which proves that the economic optimization can be achieved under the premise of ensuring the safety. Finally, the design of the slope reinforcement scheme is summarized, Meaning of the conclusions of similar projects have some reference.