Jiufengshan No.2 tunnel, the longest tunnel in quning railway, has completed the track laying

On October 20, the reporter learned from quning Project Department of No.6 company of China Railway fifth bureau that Jiufengshan No.2 tunnel, a key and difficult control project of quning railway, was completed.

it is understood that Jiufengshan tunnel 2 of quning railway is located in Pingnan County, Ningde City, Fujian Province. It starts from Dabei village and ends at guitan village. The total length of the tunnel is 17596.5m and the maximum buried depth is 597m. It is a class I high-risk tunnel, which is one of the key control projects of quning railway. 34 pairs of 500m long rails are required to be laid in the ballastless section of the tunnel, and 25m long rails and short rails are required to be laid in the ballasted section. The construction unit, China Railway No.5 Engineering Group Co., Ltd. started the track laying operation in the early morning of October 13. The operators overcame the difficulties of long haul distance of road materials, cross operation and narrow operation scope, and completed the track laying of the tunnel in the morning of October 16.

it is reported that the laying project of Fujian section of quning railway starts from Ningde to Quzhou, the erection of T-beam starts on June 12, 2018, and the first laying of the line starts on December 28, 2018. Up to now, the laying project of Fujian section of quning railway has completed 508 holes of T-beam, the laying of the line is 103km, the laying of the frame is completed 56%, and the laying construction of the whole line has entered the breakthrough stage. (min Dong daily, Zhang Wenkui, correspondent, Su Rongfu)