新华社长沙８月１７日电（记者 黄兴华、周楠）１７日，国家防汛抗旱总指挥部派出专家组，来到湖南岳阳现场指导长江干堤重大崩岸险情抢护工作。

    The xinhua news agency changsha on August 17（Reporter HuangXingHua、ZhouNan）17，The state flood control and drought relief headquarters dispatched expert group，Came to hunan yueyang on-site guidance the Yangtze river GanDi major danger may QiangHu work。

    岳阳北依长江，境内长江干堤达１６３公里。今年入汛以来，长江上游发生１９８１年以来最大洪水，部分河段洪水超历史纪录，干流连续形成４次洪峰，造成区域险情不断。

    YueYangBei with the Yangtze river in the，The Yangtze river GanDi within the territory of 163 kilometers。Since this year into sin，The upper part of the Yangtze river happened since 1981 maximum flood，Part of the river flood period record，Main stream continuous form 4 times peak，Regional risk caused by constantly。

    ８月１３日，荆江门护岸指挥部组织护岸工程巡查时，发现荆江门河段２处发生重大崩岸险情，其中一处特别严重，崩岸长度１２０米，最大崩宽５０米，崩顶高程３１．４米，且险情仍在继续发展，严重威胁已护工程和长江干堤安全。

    On August 13,，Lower jingjiang river door revetment command organization revetment engineering when patrol，Find the jingjiang reach door reach 2 place may produce great danger，One place especially serious，May a length of 120 meters，The biggest collapse 50 meters wide，Avalanche top elevation 31.4 meters，And the danger is still in the continued development，A serious threat has protection engineering and the Yangtze river GanDi safety。

    国家防汛抗旱总指挥部获悉这一情况后，及时派出专家组现场指导险情抢护工作。１７日上午，专家组一行３人，在湖南、岳阳两级水利部门专家的陪同下，在仔细察看岸线冲刷情况后，决定组织工程技术人员测量水下岸线，制定整治方案，尽快整治到位。

    The state flood control and drought relief headquarters of the situation，Timely send experts on-site guidance danger QiangHu work。17 morning，Expert group a line of three people，In hunan、Yueyang two stage water conservancy department, accompanied by experts，In spying shoreline erosion situation，Decided to tissue engineering technical personnel measure underwater shoreline，Regulation scheme for，Regulation in place as soon as possible。

    此前的８月１５日，岳阳市副市长宋爱华等率当地水务局、长江修防处负责人赶赴现场察看险情，分析研究出险原因，研究处险措施。

    Previous August 15,，Yueyang city vice mayor SongAiHua and rate the local water authority、The Yangtze river repairing prevent head in time to drive go to the spot sees danger，Analysis reasons be or get out of danger，Research risk measures。

    专家分析，崩岸险情主要原因是三峡工程运行后长期清水下泄，引起河床冲刷加剧；二是该河段河床地质表层为粉细砂层，易冲易崩；三是长江河势控制工程实施后，特别是荆江门十一矶削矶改造后，河势发生相应的调整变化；四是该段抛石方量严重不足，难以适应河势调整。

    Expert analysis，May risk main reason is that the three gorges project after the operation for a long time the release of water，Cause bed scour aggravate；The second is the river bed geological surface for silty sand layer，Easy impact easy to collapse；Three is the river regime control engineering after implementation，Especially the lower jingjiang river door eleven rocky cut rocky after the transformation，Flow regime of the corresponding adjustment changes occur；The fourth is the serious shortage of enrockment volume，Difficult to adapt to the flow regime of the adjustment。

    记者从岳阳市防汛抗旱指挥部了解到，目前洞庭湖城陵矶水位仍在３１米以上，给当地整治崩岸工作带来很大不便。岳阳市为加强险情监测，目前，已安排专人２４小时值守。当地长江修防处也正在制定具体处险方案，抓紧开展险情处置。

    Reporters from yueyang city flood control and drought relief headquarters to know，At present dongting lake city ling rocky water level is still in 31 meters above，To the local regulation work may bring a lot of inconvenience。In order to strengthen the monitoring with danger，At present，Has arranged for a special 24 hours watching。The local Yangtze river repairing anti place is also formulate concrete place insurance scheme，To carry out risk disposal。