It is crossing the Yangtze River, and the first new progress of Wuhan's subway is here.

Wuhan Evening News, September 15th, in the early morning of the 15th, Liu Wei, an engineer of the Quality and Safety Supervision Department of Wuhan Metro Group, came to Line 12 Science Park Station. And progress is one of his daily work content.

Liu Wei (right) checks the quality of the pipelines at the Popular Park Station of Metro Line 12. Reporter Ren Yong

Wearing a helmet and taking the ruler, Liu Wei went deep into the 32 -meter -deep shield. Start checking.

"This Yuejiang Tunnel shield machine is 12.55 meters in diameter, which will cross the Yangtze River from the Qingshan Science Park Station and reach the Dan Pool Station of the River Bank District. It is like an underground factory. , Ship into the tunnel, start assembly, and form a subway tunnel. "Liu Wei introduced that his main work was to be responsible for the construction quality and safety inspection of Line 12.

View construction quality and progress at the Science Park Station of Metro Line 12. Reporter Ren Yong

While Liu Wei measured the tube film with a tube, he said to reporters: "Tube construction is a very critical part of the construction of the subway. Its quality directly determines the safety of the subway tunnel, and it must not be sloppy." At the scene, he has been tightly at the scene, he has been tightly at the scene The process of assembling the tube films of the construction personnel must be accurate, compressed and tightly sealed, and pay close attention to the process of pushing the push push chip, and cannot appear misplaced and cracks.

"A piece of pipe weighs 13.5 tons. The river crossing tunnel is assembled from multiple tube films. It is touched by hand, the inner wall is smooth, and there is no color difference. It can reach this quality level. At the scene, every link must be standardized. "Liu Wei introduced that in the past, most of the large -diameter tunnel pipes were transported from other places to Han. Now Jiangxia already has factories and has achieved local production.

View construction quality and progress at the Science Park Station of Metro Line 12. Reporter Ren Yong

Sun Jintao, manager of the 14th shield of the 14th Bureau of China Railway, introduced that the production base in Jiangxia has achieved automation and standardization of pipe production. "For example, in order to have no color difference, the same batch of raw materials must be consistent; three -dimensional laser detection of the mold regularly to ensure that it does not deform; first steam and then bubble, and maintain it." A beautiful and high -quality subway tunnel is produced, and the two same types of pipes should be like "twins".

According to Liu Wei, the science Park Park Station-Dan Pond Station range is about 4 kilometers long, which is the longest domestic river tunnel in China. Line 12 is the first subway ring line in Wuhan, with a total length of 59.9 kilometers. There are 37 stations. The line crosses the Yangtze River twice and crosses the Han River once. "Line 12 connects the three towns of Wuhan and connects 7 central urban areas to greatly facilitate the travel of citizens. We will strictly monitor the quality and safety of the construction and take good care of the quality of construction."

(Reporter Tao Changning correspondent Zeng Si Yuan Yonghua)

[Edit: Yu Lina]

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