Another subway line shield in Wuhan starts hair

The Yangtze River Daily Da Wuhan Client September 24th. On September 23, with the slow turning of the blade, the first stage of the "Jiangsheng" shield machine on the third phase of Wuhan Metro Line 11 was officially launched. This is the start of the line. The first shield machine.

On the 23rd, the first stage of the third phase of Wuhan Metro Line 11 was officially launched. This is the first shield machine that starts to excavate the line. Reporter Liu Bin Photo

On the same day, at the shield construction site located near the Wushazhou Wulin embankment, a reporter from the Yangtze River Daily saw that the construction, construction, and supervisors of the subway walked down from the cage ladder to reach the bottom of the left line tunnel at nearly 13 meters. The entire shield is about 85 meters, and everyone goes from the end to the cab to observe every construction details on the site.

As the blade slowly rolled, the first phase of Wuhan Metro Line 11 opened the first section of the "Jiangsheng" shield machine. Reporter Liu Bin Photo

According to Yin Menglin, an owner representative of the Wuhan Metro Group's construction business headquarters, the first section of the first section of the Zhangjiawan parking lot in Line 11 was 820 meters in length, of which 750 meters were constructed with shields and 70 meters. At present, the construction has been completed; the shield section starts from the Zhangjiawan parking lot, and will be accepted in the open section of the Jiangmin Road interval.

"The shield starting is a very critical node. There is no turning arrow on the bow. Once the shield machine is set off, it must master the speed and attitude of its excavation in real time." Yin Menglin said that the "Jiangsheng" shield machine is being excavated normally, There are multiple monitoring points around the surrounding fabrics to ensure construction safety through data analysis every day.

At the bottom of the left -line tunnel of nearly 13 meters underground, the staff of the shield machine cabinet closely observed the data of the banks. Reporter Liu Bin Photo

Yin Menglin introduced that the distance from the Yangtze River is about 500 meters. The main strata are the first -step land of the Yangtze River. The strata are soft and the water content is large. It also needs to wear various types of pipelines such as high -voltage power top pipes, gas, tap water, rainwater, and sewage. "It is worth noting that the third phase of the Zhangjiawan parking lot in Line 11 and the fourth phase of the fourth phase of Line 11 of Line 11 are stacked. The third -phase tunnel is located above. In order to reserve construction conditions for the fourth phase of the tunnel, It is necessary to strengthen the soft soil in advance. The project department organizes relevant units to optimize the design plan to reduce the scope of reinforcement and save investment on the premise of ensuring the quality and safety of the project and save investment. "

Yin Menglin is checking the use of shield tails. Reporter Liu Bin Photo

According to Li Jianglong, the second -level project manager of the Wuhan Metro Group's construction business headquarters, the first section of the third phase of Line 11 was opened from Wuchang Railway Station to Baishazhou, with a total length of 4 kilometers and a total of 2 stops and 3 sections. At present, the main structure of the two stations has been completed, and one of the three sections is excavated in the shield. After the completion of the traffic, it can effectively alleviate the traffic congestion in the Baishazhou area and provide convenience for the travel of the surrounding citizens. (Changjiang Daily reporter Tao Changning correspondent Zeng Si Yuan Yonghua)

[Edit: Deng La Xiu]

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