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在现场调查的基础上,将山区公路病害失稳分为基础冲刷淘空型破坏、雨水入渗剪切滑移型破坏、超载与荷载累积损伤型破坏、墙身质量薄弱型破坏、墙后填土流失型破坏、机械损伤型破坏6种类型,分析了各类型破坏失稳的机理;结合山区公路的特点,分析了挡土墙的常用加固方法及其作用机理。
Based on the field investigation, the instability of mountainous highway is divided into the scouring and erosion of mountainous area, the shear-slip damage of rainfall infiltration, the cumulative damage of overload and load, the weakness of wall mass, Soil loss type and mechanical damage type, and analyzed the mechanism of various types of failure and instability. Combined with the characteristics of mountainous highway, the common reinforcement method and mechanism of retaining wall are analyzed.