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论述沉柳缓溜防冲措施的具体操作。

问答题
2021-12-29 19:00
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正确答案

①先摸清堤坡坍塌或被淘刷位置、范围和水深,以确定沉柳位置和数量。
②选用枝多叶茂的柳树头或树枝,用麻绳或铅丝将大块石或土(沙)袋捆扎在树杈上。
③用船将柳树头抛投在指定位置,应从下游向上游、由低处到高处依次抛投,要使树头或树枝依次排列紧密并捆连。
④如淘刷范围大需多排沉柳时,应使后一排树梢叠压前一排树杈,以防沉柳之间被淘刷。


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