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在江河防汛抢险中,如能及时发现险情,识别险情类别,分析出险原因,并采取正确的抢护方法,即使在洪水达到甚至超过堤防工程防洪标准时,也可防止堤防溃决。现将江河防汛中常见险情的识别和抢护方法简介如下:一、散浸险情说明汛期高水位时,江河洪水渗透过堤身,从堤内坡或内脚渗出,使地表稀释,甚至发生地表明流。这种险情叫散浸。出险原因主要有:①江河高
In the river flood control, if timely detection of dangerous situations, identify the type of danger, analyze the causes of danger, and take the correct method of protection, even in the flood reaches or exceeds the standards of flood control embankment can also prevent dike collapse. Now the common flood prevention and control of rivers in the identification and methods are described as follows: First, the danger of soaking flood High-level flood season, the river flood permeated the dike, leaking from the embankment slope or within the foot, so that the surface dilution, and even occurred Indicates flow. This dangerous condition is called dipping. The main reasons for the risk: ① high rivers