Shenbai High -speed Rail Shengli Tunnel two lining began construction

A few days ago, the first two lining of the Shenbai High -speed Railway Shengli Tunnel, which was built by the China Railway Fifteen Bureau Group, began to pour construction, marking a staged progress in the construction of the tunnel.

It is understood that the Shengli high -speed rail victory tunnel is 1454.01m in length and the maximum burial depth is about 85 meters. The imported area of ​​the tunnel is located in the mountain valley. The tunnel cave is crossed through two breaks and its influence belt. The construction is very difficult.

To this end, the tunnel is designed and constructed in the new Olympic Fa, and the dark excavation section adopts a composite lining structure. In order to quickly promote the construction of the tunnel, the project team has advanced planning and scientific organizations, through optimization of resource allocation, strengthening education and training, actively applying "four new" technology, continuous improvement of construction plans, and carrying out the "120 days" labor competition, etc. Measures, adhere to the principles of "short excavation, weak blasting, strong support, strong support, early closed, diligent measurement, and timely lining". Under the premise of controlling and construction safety, the construction progress is rapidly promoted in an orderly manner.

The successful pouring of the first and second lining of the Shengli Tunnel has created favorable conditions for the tunnel project to fully excavate the ruler.

Author: Jilin Daily All Media Reporter Sui Erlong

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