The reporter learned from the Nanning Bureau of the National Railway that as of February 20, more than 3,000 railway builders have returned to work at the Chongping section of the Nanping high-speed railway and the Nanyu section and Yucen section of the Nanshen high-speed railway under construction in Guangxi. So far, the high-speed rail project under construction in Guangxi has fully resumed work.
On the afternoon of February 20, the construction of the Liulu Yongjiang Bridge in the Nanyu Section of the South-Shenzhen High-speed Railway was in full swing, and the construction personnel performed their duties to carry out steel bar welding, steel strand perforation, formwork removal and other operations, and made preparations for the hoisting of steel box girders in an orderly manner. It is understood that the bridge is the last key control project that has not been completed in the Nanyu section of the South-Shenzhen high-speed railway.
Liulu Yongjiang Bridge is the largest span of 350 kilometers per hour high-speed railway cable-stayed bridge under construction in China. In order to ensure the smooth closure of the bridge in March, the construction unit China Railway 14th Bureau organized more than 100 management personnel and construction personnel to work overtime and uninterrupted construction during the Spring Festival, and transported the steel box girder to the target water area in advance to make preparations for hoisting.
According to Zhang Lei, senior engineer of the Nanning Railway Engineering Construction Headquarters of the Nanning Bureau of the National Railway, the construction of the Liulu Yongjiang Bridge has been completed by 90%, and it is expected to be closed in March.
The Nanyu section of the South-Shenzhen High-speed Railway is the first high-speed railway with a speed of 350 kilometers per hour independently invested and constructed in Guangxi, with a total length of 193 kilometers31 kilometers, the main project of the whole line has been completed 99%, of which the roadbed, tunnel project has been completed, and the bridge project has been completed 999%, track laying completed 758%, 76% of the "four electricity" projects have been completed, and the station building has entered the final decoration stage. The Nanyu section of the South-Shenzhen high-speed railway is expected to be put into operation this year, and the railway transportation time from Nanning to Yulin will be shortened from the current fastest 1 hour and 44 minutes to about 50 minutes.
In the vicinity of Chongzuo South Station of the Chongping Section of the Nanping High-speed Railway, which is directly connected to the border city between China and Vietnam, the first box girder erection of the railway after the Spring Festival is in full swing. The construction personnel cooperated with each other to operate the bridge erector to steadily erect the box girder weighing 780 tons to the bridge pier. Up to now, 931 box girders have been erected in the Chongping section of the Nanping high-speed railway, accounting for 74% of the total number of girders.
It is understood that the main line of the Chongping section of the Nanping high-speed railway is 8152 kilometers with a design speed of 250 kilometers per hour, construction will start in 2022 and is expected to open in 2025. At present, the roadbed project has been completed 985%, 92 of the bridge works have been completed53%, and 95% of the tunnel works have been completed11%, and only 1 of the 22 tunnels on the whole line remains unpenetrated.
In order to smoothly promote the construction of the Guangxi high-speed rail project, just after the Spring Festival holiday, the Nanning Railway Engineering Construction Headquarters of the Nanning Bureau of the National Railway organized the management personnel and operators of the construction unit to return to work in a timely manner, and carried out targeted safety education and technical training for the new operators and transfer personnel to ensure the quality and safety of the construction. (Shi Ruipeng, Guangxi Reporter Station of China** Agency).
*: China**Net.