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三峡工程双线连续五级船闸(简称永久船闸),布置在三峡工程枢纽左岸坛子岭左侧,每线船闸主体段由六个闸首加五个闸室组成,主体段总长1607m。每级闸室平面有效尺度为280m×34m,(长×宽),坎上最少水深5m。 按照工程的建设安排,永久船闸的运行分为三期,2003年6月至2007年6月为围堰发电运行期,上游水位保持在135m,船闸主要采用四级补水运行和三级不补水运行;2007
The double-line continuous five-stage ship lock (referred to as the permanent ship lock) of the Three Gorges Project is arranged on the left side of the Tanjiling Mountain on the left bank of the Three Gorges Project. The main section of each ship lock consists of six gates and five sluice gates. The main section length is 1607m. The effective scale of each level of gate chamber is 280m × 34m (L × W), and the minimum water depth on the ridge is 5m. According to the construction schedule of the project, the operation of the permanent ship lock is divided into three phases. From June 2003 to June 2007, the cofferdam power generation operation period, the upstream water level remained at 135m, the locker mainly adopted the fourth-level water-supplementing operation and the third-level non-water supplementing operation 2007