May 16, 9:58
In Ganzhou, Jiangxi Province
Construction site of Shangyou River Super Bridge
Last 500 meter long track
Falling on ballastless track board smoothly
It marks Jiangxi Section of Jiangxi Shenzhen high speed railway
The laying of main track rail is completed
Jiangxi Shenzhen high speed railway and south end of Changgan high speed railway
Successful docking
As an important part of the Beijing port (Taiwan) channel of Nanbei channel in the national "medium and long term railway network planning", Jiangxi Section of Jiangxi high-speed railway of Jiangxi Shenzhen high-speed railway was started in 2017.
The line has crossed the main highways of Jiangxi, Guangdong and Jiangxi Ding for five times, and the Beijing Jiujiang railway, the existing busy trunk line, has been crossed for four times, and has been through complex geological sections for several times, which makes the construction difficult and the safety pressure is high. The construction personnel solved the problems such as the complicated construction organization of crossing existing roads and railways, the difficulty of forming holes and forming piles with 100m long piles in karst area, so as to ensure the project is carried out as scheduled.
Jiangxi Section of Jiangxi high speed railway is located in Luoxiao mountain range, with sharp terrain fluctuation along the line, steep mountain potential and 87.1% bridge tunnel ratio.
During the construction of Longnan tunnel of the first class high risk tunnel of the whole line, the construction personnel adopted the comprehensive treatment technology of "adding single tunnel detour guide pit drainage, combining surface with grouting in the tunnel, strengthening the strength of structural support", and solved the construction difficulties, and successfully realized the whole tunnel connection in more than 1300 days.
Jiangxi Shenzhen high-speed railway starts from Ganzhou, Jiangxi Province in the north, passes through the cities of Heyuan and Huizhou in Guangdong Province. It reaches Shenzhen in the south. The main line is 436.37 km long, of which the Jiangxi section is 134.5km long. The line is designed to be 350 km / h and will be ready for operation by the end of this year.
After the completion and opening of the railway, the time and space distance between Jiangxi and the bay area of Guangdong, Hong Kong, Macao and Macao will be further shortened. The fastest travel time for Nanchang railway from Ganzhou to Shenzhen will be shortened from 9.5 hours to 3.5 hours. In order to improve the regional road network layout, improve the transport capacity and service quality of the channel, promote the revitalization and development of the original Central Soviet region of Jiangxi, Fujian and Guangdong, and promote the economic and social development along the line, It is of great significance.
Contribution: Jiangxi reporter Station of people's railway newspaper Co., Ltd. (Nanchang bureau group company financial media center)