On the morning of February 22nd, 2022, at 1 17, the national key water conservancy project-Shaanxi "Diversion of Han River into Wei River" made key progress, and the 98.3-kilometer-long Qinling water conveyance tunnel ran through, which was the first time in human history to cross Qinling Mountain, one of the north-south boundary lines of China.
At present, only the last190m of the whole tunnel is left, and its interior scenery is unique. In order to build the longest tunnel in the world, China has also set six world firsts, such as the first engineering project to overcome the problem of high-frequency rockburst in the world. The project of diverting water from Han to Wei refers to the South-to-North Water Diversion Project in Shaanxi Province, aiming at establishing a series of water conservancy projects to meet the domestic and industrial water demand of 23.48 million people.
The longest tunnel in China:
1. Zhongnanshan Highway Tunnel in Qinling Mountain, xikang high-speed, Shaanxi Province (18.02km)
This is the world's longest two-hole one-way highway tunnel designed and built by China. It starts from Qingchua, Chang 'an District, Xi City in the north and ends at Yingpan Town, Zhashui County, which is under the jurisdiction of Shangluo City in the north. It is used in conjunction with two "throat projects" highways planned by the state, namely Baotou to Beihai and Yinchuan to Wuhan.
It is a transportation hub connecting the Yellow River Economic Circle and the Yangtze River Economic Circle, and it is also an important part of Xi 'an Ankang Expressway in Shaanxi. With a total length of 18.02km and a total length of 36.04km, it is the longest highway tunnel in China.
2. Jinping Tunnel in Liangshan Prefecture, Sichuan Province (17.90km)
Jinping Tunnel Project is located in the mainstream of Yalong River at the junction of Muli, Yanyuan and Mianning counties in Liangshan Yi Autonomous Prefecture, Sichuan Province, and in the middle reaches of Jinping River, one of the three major river bends. On August 8, 2008, two parallel single-track tunnels with a length of about 17.90 km were successfully connected. Through Jinping tunnel, Jinping I and II hydropower stations are organically connected in the shortest distance.
3. Micangshan Tunnel of Sichuan-Shaanxi-Bashan Expressway (13.438+0 km)
Micangshan Tunnel is a control project of Bashan Expressway. The tunnel entrance is located near Xiaoba, Xiaonanhai Town, Nanzheng County, Hanzhong City, Shaanxi Province, and the exit is located in Guanba Township, Nanjiang County, Bazhong City.
It will pass through the "field" from Yuquan in Micangshan National Forest Park and the underground of Daba State-owned Forest Farm. The total length of Micangshan Tunnel is 13.8 1km, including 3km in Shaanxi and 10.8km in Sichuan. From August 2065438 to August 2008, Micangshan Tunnel was successfully completed.
4. Xishan Extra-long Tunnel of Taigu Expressway in Shanxi Province (13.65km).
The total length of Xishan Tunnel Group of Taigu Expressway is 15km, including Xishan extra-long tunnel 13.65km, Xishan No.2 tunnel 1.4km, and the minimum distance between the entrances and exits of the two tunnels is 180m. The tunnel was mainly completed at 20 12 and 10.
5. Xin Erlangshan Tunnel of Sichuan Yakang Expressway (13.459 km)
The newly-built Erlang Mountain Tunnel on Yakang Expressway crosses Erlang Mountain, with a total length of 13459 meters, which is the longest expressway tunnel in high altitude areas in China. Connecting tianquan county in Ya 'an City and Luding County in Ganzi Prefecture, it is the first extra-long highway tunnel from Chengdu Plain into Ganzi Tibetan area, and is known as "the first tunnel in Sichuan".
6. Hongtiguan Tunnel of Shanxi Changping Expressway (13.100km)
Hongtiguan Tunnel on Changping Expressway in Shanxi Province is a double-hole tunnel with the left line length of 13. 122km and the right line length of13.098km.. Hongtiguan Tunnel is located between Hongtiguan Township, Pingshun County, Shanxi Province and Linzhou City, Henan Province. Hongtiguan Tunnel started construction in June 2009 and was officially completed and opened to traffic in September 20 13.
7. Xueshan Tunnel of Jiangweishui Expressway in Taiwan Province Province (12.9 km)
Xueshan Tunnel, formerly known as Linping Tunnel, is the longest highway tunnel in Taiwan Province Province, located between Linping and Toucheng section of Jiangweishui Expressway (National Highway No.5, also known as Yi Bei Expressway). It consists of three independent tunnels: pilot tunnel, westbound tunnel and eastbound tunnel, with a total length of 12.9 km.
8. Maijishan Extra-long Tunnel of Baotian Expressway in Gansu Province (12.29 km)
Maijishan Tunnel is the number one control project of Baotian Expressway connecting Baoji, Shaanxi and Tianshui, Gansu. Maijishan Tunnel is located in Maiji District, Tianshui City, Gansu Province, with a total length of 12.29 km. The project started in February 2005 and was completed on June 3, 2009.
9. Yunshan Extra-long Tunnel of Yuhe Expressway in Shaanxi Province (1 1.387 km).
The extra-long tunnel from Zuo Quan to Heshun of He Yu Expressway is located 5 kilometers northeast of Zuo Quan County, passing through the southeast extension of Yangqu Mountain in the west wing of Taihang Mountain. Designed as an independent tunnel, with a total length of 1 1.387 km, it was successfully completed on 20 1 411October1day.
10. Baojiashan Tunnel of Baomao Expressway in Shaanxi Province (1 1.20km)
Baojiashan Tunnel is located at the throat of Xiaohe-Ankang section of Xiaokang Expressway, with a total length of 1 1.2km, which is one of the most difficult sections of this project. The entrance of the tunnel is located in Tongmugou, Xunyang County, and the exit is located in Lujiagou, Cigou Town, Hanbin District. It spans two peaks, South Qinling and Huangyu.
Is Micangshan Tunnel easy to open? The tunnel is easy to open. Micangshan Tunnel has a flat road and a flat road surface, which is suitable for driving in corners. Micangshan Tunnel is a control project in Bashan Expressway, and its entrance is located in Xiaoba, Xiaonanhai Town, Nanzheng District, Hanzhong City, Shaanxi Province.
The longest 10 tunnel in China and the longest 10 tunnel in China:
1, Qinling Zhong Nanshan Highway Tunnel
Qinling Zhong Nanshan Highway Tunnel, also known as Qinling Zhongnanshan Tunnel and Zhongnanshan Tunnel, is the first long double-hole highway tunnel in China, the second longest highway tunnel in Asia and the third longest highway tunnel in the world. In the northern section of xikang high-speed, Shaanxi Province, the tunnel passes through Zhong Nanshan of Qinling Mountains, with a length of 18.020km, two holes and four lanes. Zhong Nanshan extra-long highway tunnel in Qinling Mountains is designed according to expressway.
2. Jinping Tunnel in Liangshan Prefecture
Jinping Mountain Tunnel Project is located in the main stream of Yalong River at the junction of Muli, Yanyuan and Mianning counties in Liangshan Yi Autonomous Prefecture, Sichuan Province, and in the middle reaches of Jinping River, one of the three major river bends. It is not only an extra-long traffic tunnel serving Jinping I, Jinping II, Kara, Yangfanggou, Mengdigou and other hydropower stations, but also an advanced exploration tunnel and an auxiliary tunnel for the diversion tunnel construction of Jinping II hydropower station.
3. Micangshan Tunnel of Bashan Expressway
Micangshan Tunnel is a control project of Bashan Expressway. The total length of Micangshan Tunnel is 13.8 1 km, including 3 km in Shaanxi and 10.8 km in Sichuan. On August 9, 20 18, the Micangshan Tunnel of Bashan Expressway was completed. Bashan Expressway was officially opened to traffic on1October 22nd 1 165438.
4. Xishan Extra-long Tunnel of Taigu Expressway
Xishan extra-long tunnel is located on Taigu Expressway from Taiyuan to Gujiao, Shanxi Province, with a length of 13.6 km. As the first batch of risk assessment pilot projects of the Ministry of Transport, the construction is extremely difficult.
5. New Erlangshan Tunnel
The new Erlangshan tunnel was officially started in August 20 12 and completed on September 26/20 17. Connecting tianquan county in Ya 'an City and Luding County in Ganzi Prefecture, it is the first super-long expressway tunnel from Chengdu Plain into Ganzi Tibetan area, and is known as "the first tunnel in Sichuan and Tibet".
6. Hongtiguan Tunnel of Changping Expressway
Hongtiguan Tunnel on Changping Expressway in Shanxi Province is a double-tunnel with left line 13. 122km and right line13.098km.. Hongtiguan Tunnel is located between Hongtiguan Township, Pingshun County, Shanxi Province and Linzhou City, Henan Province. The tunnel started at the end of June 2009 and was completed and opened to traffic in September 20 13.
7. Xueshan Tunnel of Jiangweishui Expressway
Xueshan Tunnel is located in Yi Bei Expressway, with a total length of 12.9km. Xueshan Tunnel, the longest highway tunnel in Taiwan Province Province, was officially opened to traffic on June 52006.
8. Maijishan Extra-long Tunnel of Baotian Expressway
Maijishan Tunnel is located on Baotian Expressway connecting Baoji, Shaanxi and Tianshui, Gansu, with a total length of 12.286km. The tunnel started on 65,438+February 2005 and was completed on 3 June 2009.
9. Yunshan Extra-long Tunnel of He Yu Expressway
Yunshan Extra-long Tunnel is located 5 kilometers northeast of Zuo Quan County, passing through the southern section of Yangqu Mountain in the west wing of Taihang Mountain. It is designed as a separated tunnel with a total length of 1 1.387 km. It was successfully completed on 2011.
Baojiashan Tunnel of Baomao Expressway 10
Baojiashan Tunnel is 1 1.2km long and located at the throat of Xiaokang Expressway from Xiaohe to Ankang in Shaanxi Province. The entrance of the tunnel is located in Tongmugou, Xunyang County, and the exit is located in Lujiagou, Cigou Town, Hanbin District, passing through Qingshan Mountain in South Qinling and Yuhuangshan Mountain Peak. It was completed and opened to traffic on May 28th, 2009.
What does g85 Two Rivers mean? What does g85 Two Rivers mean?
G85 Expressway refers to Bashan Expressway, which starts from Bazhou District, Bazhong City, Sichuan Province and ends at Micangshan Tunnel at the junction of Sichuan and Shaanxi, with a total length of about117.5km.. There are 55 bridges, 20 tunnels and 7 interchanges, and the bridge-tunnel ratio of the whole line is as high as 78.2%. The total investment of the project is estimated to be 654.38+047 billion yuan.