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黃河內蒙古磴口段出現險情

2020-07-12 09:55來(lái)源:新華網(wǎng)

7月11日,工人在黃河內蒙古磴口段南套子險工段進(jìn)行除險加固。新華社記者李云平攝

新華社呼和浩特7月11日電(記者李云平)連日來(lái),受黃河1號洪峰的影響,黃河內蒙古磴口段南套子、東地等險工段均出現不同程度的沖淘塌陷險情,險工段長(cháng)2100多米。險情發(fā)生后,內蒙古巴彥淖爾市磴口縣立即啟動(dòng)防汛應急預案,及時(shí)對水毀段落進(jìn)行除險加固。

據磴口縣水利局副局長(cháng)張俊介紹,近日黃河1號洪峰通過(guò)內蒙古三盛公水利樞紐工程,對下游河段磴口段形成頂沖。從7月7日起,黃河磴口段南套子控導續建工程3#-4#檔間、9#-10#檔間發(fā)生頂沖,出現沖淘塌陷險情。截至7月11日17時(shí),險情還在不斷發(fā)展。

目前,黃河磴口段水流量為1760立方米/秒,南套子險工段沖淘塌陷180米,東地險工段沖淘塌陷2000米。

據了解,內蒙古磴口縣已組織挖掘機2臺、裝載機2臺、翻斗車(chē)5輛、工人20人,通過(guò)投拋鉛絲石籠、散石頭等對出險段落進(jìn)行搶護。同時(shí),當地對其他險工段進(jìn)行24小時(shí)巡查守護,發(fā)現險情及時(shí)搶護。

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