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。
The deformation modes of high slope in loess highway are mainly slope-surface-erosion and area feature peeling; collapse, slumping and slide could only be seen in some parts of the road section.
公路黄土高边坡的变形破坏形式主要为坡面冲蚀、面状剥落，仅在局部路段见有小型崩塌、滑塌和滑坡。
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