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1997年11月8日,三峡工程胜利完成大江截流.这一世界最大规模的长江截流工程的顺利实施,标志着三峡工程第一阶段施工的结束和第二阶段施工的开始.从三峡工程建设角度看,第一阶段工程是从1993年开始,1997年结束的.五年历时又大体可划分为三个阶段.第一段主要是工程的前期准备,如一期围堰填筑,场内外交通,场地平整,供电、供水、房建及一些辅助附属性设施,主要是在1993年至1994年施工,从而迎来了1994年12月的正式开工.第二段主要是第一阶段的开挖和混凝土浇筑,这是这一阶段工程建设的主要任务,贯穿于第一阶段的全程,时间集中于1994年中至1995、1996年.主要工程项目有:导流明渠开挖与纵向围堰混凝土
On November 8, 1997, the Three Gorges Project successfully completed the river closure.The successful implementation of the world’s largest Yangtze River closure project marks the end of the construction of the first phase of the Three Gorges Project and the start of the second phase of construction.From the perspective of the Three Gorges Project construction The first phase of the project started in 1993 and ended in 1997. The five-year period can be broadly divided into three phases: the first phase is mainly the preliminary preparation of the project, such as the construction of a cofferdam, the traffic inside and outside the venue, The site leveling, power supply, water supply, housing construction and some ancillary facilities were mainly constructed from 1993 to 1994, thus ushering in the official start of December 1994. The second paragraph is mainly the first phase of excavation and Concrete pouring, which is the main task of this phase of construction, runs through the first phase of the whole time concentrated in mid-1994 to 1995, 1996. The main projects are: diversion canal open-cut and longitudinal cofferdam concrete