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在综合分析岩土参数区间性的基础上,通过引入区间分析方法和非概率可靠性思想,建立岩质边坡稳定的非概率可靠性模型,并针对区间运算结果扩张问题,引入区间截断法和区间优化法,对边坡非概率可靠性指标进行较为精确的求解。然后,以湖北某岩质高边坡为实例,进一步探讨了岩体参数变异性对岩质边坡稳定的非概率可靠性指标的影响规律。
Based on the comprehensive analysis of interval parameters of geotechnical parameters, a non-probabilistic reliability model of rock slope stability is established by introducing the method of interval analysis and non-probabilistic reliability. In view of the expansion of interval operation results, the interval truncation method and Interval optimization method to solve the slope non-probabilistic reliability index more accurately. Then, taking a rocky high slope in Hubei Province as an example, the influence law of rock mass parameter variability on the non-probabilistic reliability index of rock slope stability is further discussed.