Gaoligongshan Tunnel

Gaoligongshan Tunnel
高黎贡山隧道
Construction site at the end of tunnel
Overview
Line Dali–Ruili railway
Location ChinaLongling County, Yunnan[1]
Status Constructing
System China Railway
Crosses Gaoligong Mountains
Start West bank of Nu River in Longling County[1]
End Nanwazidi (南凹子地) in Longling County[2]
Operation
Work begun 1 December 2015[3]
Owner China Railway
Technical
Design engineer China Railway Tunnel Group[4]
Length 34.586468 km[2][Note 1][4]
No. of tracks Single-track railway[2]
Track gauge 1,435 mm (4 ft 8 1⁄2 in) standard gauge
Operating speed 140 km/h
Highest elevation 2,340 m[2]
Lowest elevation 640 m[2]
Water Depth 1,155 m[5]
Grade 23.5‰ (biggest)[2]

Gaoligongshan Tunnel or Gaoligong Mountain Rail Tunnel[6] (Chinese: 高黎贡山隧道) is a tunnel between Nujiang Station and Longling Station on Dali–Ruili railway in Yunnan, China.[4] It cross through the whole territory of Longling County and then into Mangshi.[1] Gaoligongshan Tunnel is the key project of Yunnan–Burma railway between Dali and Ruili.[4] The length of tunnel is 34.586 km[2][Note 1][4], it makes Gaoligongshan Tunnel to be the longest single-track railway tunnel under construction in China,[4] also is the longest mountain railway tunnel of Asia and the 7th longest tunnel of the world[5].

Gaoligongshan Tunnel start construction at 1 December 2015, the planned date of completion at 31 May 2022, the total contract cost is 3,628 millions Yuan.[3] The tunnel boring machine "Colorful Cloud No.1"(Chinese: 彩云一号) start work on 28 August 2017, it marked the tunnel entering the comprehensive construction phase.[7]

Notes

  1. 1 2 Another said 34.538 km

References

  1. 1 2 3 China Railway Tunnel Group Dali–Ruili railway Project Manager (2016-07-10). 大瑞铁路高黎贡山隧道建设宣传片 [Promotional film of Dali–Ruili railway Gaoligongshan Tunnel Construction] (video) (in Chinese). Event occurs at 1minute 42seconds. Retrieved 2017-07-30. 中铁隧道集团承建的大瑞铁路保瑞段二标高黎贡山隧道，自怒江西岸横穿高黎贡山脉，跨龙陵县全境，进入德宏州芒市境内。
  2. 1 2 3 4 5 6 7 China Railway Tunnel Group Dali–Ruili railway Project Manager the Second Division (2017-04-09). "中铁隧道集团有限公司大瑞铁路工程项目经理部二分部项目轨线材料招标公告" [Tender notice of trajectory material of China Railway Tunnel Group Dali–Ruili railway Project Manager the Second Division]. www.crecgec.com. 中铁鲁班商务网. Retrieved 2017-07-31.
  3. 1 2 刘馨蔚 (2016-10-25). "大瑞铁路高黎贡山隧道工程顺利推进" [Construction of Dali–Ruili railway Gaoligongshan Tunnel progressing well]. www.yn.xinhuanet.com. Xinhua Net. Retrieved 2017-07-31.
  4. 1 2 3 4 5 6 Office of Civil, Hydraulic and Construction Project of China Railway No.2 Group (2016-07-05). "大瑞铁路高黎贡山隧道施工方案暨长大深埋隧道建设方法专家咨询会在云南举行" [Expert consultation meeting of construction program of Dali–Ruili railway Gaoligongshan Tunnel and construction program of deeply-buried long tunnels held in Yunnan]. www.cae.cn. Chinese Academy of Engineering. Archived from the original on 2017-09-03. Retrieved 2017-07-31.
  5. 1 2 "大瑞铁路高黎贡山隧道开工 长34.5公里系亚洲最长山岭铁路隧道" [Dali–Ruili railway Gaoligongshan Tunnel start construction, the length 34.5 km make it to be the longest mountain railway tunnel of Asia]. www.guancha.cn. China News Service. Retrieved 2017-07-31.
  6. ↑ "China to Construct Longest Railway Tunnel in Asia". www.chinatopix.com. Chinatopix.com. 2014-05-13. Retrieved 2018-05-21.
  7. ↑ "我国铁路第一长隧高黎贡山隧道进入全面施工阶段" [Gaoligongshan, the longest Tunnel of China, entering the comprehensive construction phase]. www.gov.cn. Xinhua News Agency. 2017-08-28. Retrieved 2017-09-03.

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