The Huihan No. 1 Tunnel of the China-Laos Railway was completed 43 days earlier than originally planned.

| gov.cn

Xinhua News Agency, Luang Prabang, Laos, 17 Nov (Reporter Zhang Jianhua) with the roar of excavators, the last rock was shattered. The Huihan No. 1 Tunnel, which was built by the third segment of the third bid of the China Railway eighth Bureau, opened smoothly on the 17th, 43 days ahead of schedule.

With a total length of 1001 meters, the Huihan No. 1 Tunnel is located in the mountains between the northern Lao city of Luang Prabang and the border between Laos and China. The construction site is sparsely populated, the conditions are difficult, the construction access roads are rugged, and it is difficult to transport materials into the field during the rainy season.

The entrance of the tunnel is 564 meters with double lines, high temperature in the tunnel and poor geological conditions of the tunnel. The area through which the tunnel passes is basically in the shallow buried area, especially the covered soil layer at the exit of the tunnel is extremely weak, there is the risk of serious collapse and roof fall, and the construction is difficult. Laozhong Railway Co., Ltd., which is responsible for the construction and operation of China-Laos Railway, requires the participating units to carefully optimize the design scheme according to the on-site terrain to ensure the safe excavation and smooth passage of the tunnel.

It is reported that the 2180-meter-long Huihan No. 3 Tunnel, which is headed by the first branch of the third bid of the China Railway eighth Bureau, will also be opened on the 19th. The 9384-meter-long Sencun No. 2 tunnel, the longest tunnel on the China-Laos Railway, is expected to be completed by the end of this year, which is jointly constructed by the third and fourteenth bureaus of China Electric Power Construction and Hydropower Bureau.

The China-Laos Railway is a strategic docking project initiated by China's "Belt and Road Initiative" and Laos to "change the land-locked country into a land-linked country." from the Laos-China border port Moding in the north to Vientiane, the capital of Laos in the south, the total length of the railway is 414km, including a total of 198km of 76 tunnels. The railway is built with Chinese management standards and technical standards and is designed to travel at a speed of 160 km / h for electrified passenger and cargo mixed transport. The project was fully started in December 2016 and is scheduled to be completed and opened to traffic in December 2021.

The Huihan No. 1 Tunnel of the China-Laos Railway was completed 43 days earlier than originally planned.

| gov.cn

Xinhua News Agency, Luang Prabang, Laos, 17 Nov (Reporter Zhang Jianhua) with the roar of excavators, the last rock was shattered. The Huihan No. 1 Tunnel, which was built by the third segment of the third bid of the China Railway eighth Bureau, opened smoothly on the 17th, 43 days ahead of schedule.

With a total length of 1001 meters, the Huihan No. 1 Tunnel is located in the mountains between the northern Lao city of Luang Prabang and the border between Laos and China. The construction site is sparsely populated, the conditions are difficult, the construction access roads are rugged, and it is difficult to transport materials into the field during the rainy season.

The entrance of the tunnel is 564 meters with double lines, high temperature in the tunnel and poor geological conditions of the tunnel. The area through which the tunnel passes is basically in the shallow buried area, especially the covered soil layer at the exit of the tunnel is extremely weak, there is the risk of serious collapse and roof fall, and the construction is difficult. Laozhong Railway Co., Ltd., which is responsible for the construction and operation of China-Laos Railway, requires the participating units to carefully optimize the design scheme according to the on-site terrain to ensure the safe excavation and smooth passage of the tunnel.

It is reported that the 2180-meter-long Huihan No. 3 Tunnel, which is headed by the first branch of the third bid of the China Railway eighth Bureau, will also be opened on the 19th. The 9384-meter-long Sencun No. 2 tunnel, the longest tunnel on the China-Laos Railway, is expected to be completed by the end of this year, which is jointly constructed by the third and fourteenth bureaus of China Electric Power Construction and Hydropower Bureau.

The China-Laos Railway is a strategic docking project initiated by China's "Belt and Road Initiative" and Laos to "change the land-locked country into a land-linked country." from the Laos-China border port Moding in the north to Vientiane, the capital of Laos in the south, the total length of the railway is 414km, including a total of 198km of 76 tunnels. The railway is built with Chinese management standards and technical standards and is designed to travel at a speed of 160 km / h for electrified passenger and cargo mixed transport. The project was fully started in December 2016 and is scheduled to be completed and opened to traffic in December 2021.








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