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宜昌航道分局确保三峡坝区航道畅通宜昌航道分局奋战枯水保春运，确保三峡坝区航道畅通。三峡坝区航道施工与通航的矛盾主要为二期横向围堰的江心钻探，同时由于施工抛泥和部分水工建筑物形成，坝区航道出现新的淤积边滩，增加了航道维护难度。枯水期是坝区航道维护的艰难...
Yichang Waterway Branch to ensure that the Three Gorges waterway smooth Yichang Waterway Branch Bureau combat dry Paul spring transport to ensure that the Three Gorges dam fairway flow. The contradiction between waterway construction and navigation in the Three Gorges Dam Area is mainly the river center drilling of the second stage lateral cofferdam. At the same time, due to the construction and dismantlement of mud and the formation of some hydraulic structures, new silt sidescales in the waterway of the dam area increase the difficulty of waterway maintenance. Dry season is the difficulty of channel maintenance in the dam area ...