The loess slope was analyzed with reliability method, an optimized model for designing high loess slope was established, and the high loess slope of Tong-Hong highway was used to verify this model.

• 对黄土高边坡进行可靠性分析,应用数学原理和优化原理,建立了黄土高边坡的优化模型,对铜黄一级公路黄土高边坡进行分析验证。