Start time and end time of Three Gorges Dam construction

Construction of the Three Gorges Dam officially started on 1994 12 14, and was successfully completed on May 20, 2006.

The Three Gorges Dam is located in Sandouping Town, Yichang City, Hubei Province, China, 38 kilometers away from the downstream Gezhouba Water Control Project. It is the main project of the Three Gorges Hydropower Station, the core landscape of the Three Gorges Dam tourist area, and the eastern end of the Three Gorges Reservoir. It is the largest hydropower project in the world today.

The dam height of the Three Gorges Hydropower Station is185m, the normal water level is175m, the reservoir length is 2,335m, and the static investment is135.266 billion RMB, and 32 hydropower units with a single capacity of 700,000 kilowatts are installed. The last hydropower unit of the Three Gorges Power Station was put into operation on July 4th, 20 12, which means that the Three Gorges Hydropower Station with an installed capacity of 22.4 million kilowatts became the largest hydropower station and clean energy production base in the world on July 4th, 20 12.

Extended data

Construction process of Three Gorges Dam;

1On April 3, 1992, the Fifth Session of the Seventh National People's Congress passed the Resolution on the Construction of the Three Gorges Project, which completed the legislative procedure of the Three Gorges Project and entered the implementation stage.

On September 27th, 1993, China Three Gorges Project Development Corporation was formally established in Yichang.

1994 12 14 Premier the State Council announced to the world in Sandouping, Yichang that the Three Gorges Project, the world's largest hydropower project, was officially started.

1997165438+18 October, the Three Gorges Project was successfully intercepted and the first phase of the project was completed. After the river was cut off, the water level rose from 66 meters to 88 meters, and all the landscapes of the Three Gorges were not affected.

From 65438 to 0998, the Three Gorges Project entered the second stage of construction.

In 2000, the Three Gorges Project installed and played the overture.

On June 5438+1October 10, 2002, the expert group meeting of the the State Council Three Gorges Project Phase II Acceptance Committee was held in the dam area, and the acceptance of diversion channel before river closure officially started. 65438+1October 2 1, the most critical spillway section of the Three Gorges Dam has been completed, and the whole line has reached the dam design elevation of 185 meters above sea level.

On April 1 1 day, 2003, the navigation of the temporary ship lock of the Three Gorges Project was suspended, and the navigation of the Three Gorges waters of the Yangtze River was planned to be suspended for 67 days, and navigation was resumed on June 16. At the same time, the dam-turning and transshipment work was fully launched.

On April 16, the RCC cofferdam of the Three Gorges Phase III was capped, reaching the design elevation 140m 55 days ahead of the contract period. On April 22, the reconstruction of the temporary ship lock on the left bank of the Three Gorges Project into a sand lock started.

On April 27th, the second phase of the Three Gorges resettlement project passed the national acceptance. This indicates that the resettlement work of the Three Gorges Project has achieved significant phased results. Resettlement and bottom cleaning under the water level line of1.35m in the Three Gorges reservoir area have been completed in an all-round way, meeting the requirements of water storage of the Three Gorges Project on schedule.

On May 2 1 day, the acceptance team of the the State Council Yangtze Three Gorges Project Acceptance Committee officially announced that the second phase of the Three Gorges Project had reached the water level of 135 meters, which met the requirements of sea trial. It is agreed that the Three Gorges Project will store water on June 1 day, and the trial navigation of the permanent lock can be implemented in June 2003.

Baidu Encyclopedia-Three Gorges Dam