As one type of debris flow along highway to trigger disaster in west China, V-shaped debris flow with impact and deposit usually impact and bury structures of highway.

冲淤变动型沟谷泥石流是我国西部公路沿线致灾最强烈的泥石流类型，通常表现为对公路构建筑物的冲击和淤埋毁损。

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As one type of debris flow along highway to trigger disaster in west China, V-shaped debris flow with impact and deposit usually impact and bury structures of highway.

冲淤变动型沟谷泥石流是我国西部公路沿线致灾最强烈的泥石流类型，通常表现为对公路构建筑物的冲击和淤埋毁损。

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