今年入汛以来,长江中下游连续发生了百年不遇的特大洪水,各种险情不断出现,严重威胁着堤防的安全,其中尤以管涌险情分布最广,危害也最大。黄河堤防也存在着较严重的管涌险情,几年来,尽管国家投入了大量的人力、财力及物力。消除了部分管涌险点,但黄河下游仍有六处比较严重的管涌险点没有消除,一旦洪水偎堤,险情扩大,就会危及堤身安全。下面谈 Since the beginning of the flood season this year, a series of unprecedented floods have occurred in the middle and lower reaches of the Yangtze River. The continuous emergence of various dangerous situations has posed a serious threat to the safety of the embankments. In particular, the most widely distributed and dangerous hazards are the most widely distributed. There are also more serious plunging dangers in the embankments of the Yellow River. In recent years, despite the massive investment of manpower, resources and material resources by the country, Eliminating some of the tube surge risk points, but there are still six more serious lower reaches of the Yellow River in the dangerous point of the tube has not been eliminated, once the flood cuddle, the danger of expanding, it will endanger the safety of the bank. Talk below