论文部分内容阅读
5月10日至11日,东鱼河第一期(土方)治理工程菏泽市段单位工程顺利通过验收委员会验收。 东鱼河位于山东省西南部,属淮河流域南四湖水系,是1967年至1969年按三年一遇除涝、廿年一遇防洪标准开挖治理的人工河。经过三十多年的运行,河道淤积严重,工程老化失修,除涝能力降低41％～85％,防洪能力降低45％～70％,存在着重大的洪涝灾害隐
May 10 to 11, the first phase of the East River fish (earthwork) Heze project management unit passed the acceptance inspection. Located in the southwestern part of Shandong Province, Dongyuhe River belongs to the Nansihu water system in the Huaihe River Basin. It is an artificial river which was treated by flood control once in three years from 1967 to 1969 and once under flood control standards in 20 years. After more than 30 years of operation, serious river siltation, aging and disrepair of the project, the ability of waterlogging reducing 41% ~ 85% and the ability of preventing floods decreasing 45% ~ 70%, there is a serious flood hidden danger