根据张峰水库左岸塌滑体的工程地质条件等，给出了塌滑体排水洞的具体设计方案。

Based on the engineering geological conditions of the slip-mass on the left bank of Zhangfeng Reservoir, this paper puts forward the concrete design plan for the slip-mass scupper.

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当鼠洞垮塌卸料时，落下的材料常常在出料口上方变得致密而形成拱弧。

While some material may discharge as the rat hole collapses, falling material often gets compacted over the outlet and forms an arch.

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