The main tower of the Lijiayu Yangtze River Reproduction Bridge on Line 18 of the Rail Line 18 is expected to be at the end of the year

On September 27, the main tower of the south bank of the Lijiayu Yangtze River Reproduction Bridge on Rail Transit Line 18 was successfully capped. Reporter Luo Bin/Visual Chongqing

On the morning of September 27th, with the completion of the last car concrete, the main tower of the south bank of the Lijiayu Yangtze River Reproduction Bridge on Rail Transit Line 18 was successfully capped. Therefore, the main tower of the north and north banks of the bridge was completed. Steel box beam hopping construction phase. The bridge is expected to achieve the whole bridge at the end of the year.

The reporter saw at the scene that the main tower of the north -south bridge, just like two high -standing giant "vases", was symmetrically layout on the bridge. The Lijiayu Yangtze River Reproduction Bridge and the Lijiayu Yangtze River Bridge, which have been opened to traffic, have appeared in the "Sisters Bridge", which looks straight and spectacular.

On September 27, the main tower of the south bank of the Lijiayu Yangtze River Reproduction Bridge on Rail Transit Line 18 was successfully capped. Reporter Luo Bin/Visual Chongqing

As the control project of Rail Transit Line 18, the Lijiayu Yangtze River Compound Bridge is located about 52 meters on the upstream side of the Lijiayu Yangtze River Bridge. It is the first non -symmetrical layout of the same layer of public rails in China. One end connects the Kowloon Peninsula of Kowloon Polysis, and the other end is connected to Lijiabu, Banan District. The total length is 1306.2 meters.

"The top of the main tower on the top of the south bank is 342 meters, the total height of the bridge tower is 174.5 meters, and about 60 floors high." The relevant person in charge of the China Railway Construction Bridge Bureau at the scene said.

The reporter saw that the South Bank Bridge Tower consists of three tower columns on the top, middle, and lower beams. Depending on the bearer, the concrete material used in the tower column is also different.

On September 27, the Line 18 Line Lijiayu Yangtze River Request Bridge was introduced. China Railway Construction Technology workers were undergoing steel bars. Reporter Luo Bin/Visual Chongqing

The person in charge of the China Railway Construction Bridge told reporters that the upper tower column uses C50 steel fiber concrete, and the upper tower column (with cable regions) and the upper and lower beams use prestressed steel concrete structures. The lower tower column and the middle tower column use C50 concrete, especially the lower tower column fills C25 concrete, which can increase the anti -collision force of the bridge.

According to reports, the main tower where the south bank is located is the erosion of the Yangtze River Valley and the stacked landform area. The main tower is high and the concrete volume is large. Especially this year has encountered severe weather such as high temperatures. Wait for a lot of challenges.

On September 27th, the Line 18 Line Lijiayu Yangtze River Confused Line Bridge, China Railway Construction Technology Workers are undergoing cable cable -hanging facilities. Reporter Luo Bin/Visual Chongqing

For the difficulties, the builders gave full play to the professional advantages of the bridge construction, invited experts to discuss many times, and successively overcome the stress and deformation monitoring of Sota, high -standard fibrous concrete cooperation ratio design, embedded parts installation, and the seflow of the Sota ring. Stress construction and other problems. During the construction process, the project department effectively optimized the main body and temporary structure design through advanced construction technologies such as IoT systems, intelligent construction and implementation of BIM technology, and effectively ensured the construction efficiency and quality of the main tower.

"Line 18 Lijiayu Yangtze River Reproduction Bridge will complete the full bridge steel box Lianghelong at the end of the year and enter the bridge surface and affiliated project construction." The relevant person in charge of the China Railway Construction Bridge Bureau said.

The relevant person in charge of the China Railway Construction Chongqing Investment Group said that Line 18 is a north -south traffic trunk line of the central urban area of ​​Chongqing. After the entire line is completed and opened to traffic, it will start in the areas along the Yuzhong District, Jiulongpo District, Banan District, and Dadukou District. It will effectively expand urban space and optimize the layout of the urban structure, which will greatly alleviate the road congestion along the route and facilitate the travel of the citizens. Promoting the sustainable and healthy development of regional economic and social and improving citizens will play an important role.

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Xinfeng Middle Road plan to open to traffic before the end of the month

And these roads are expected to be completed within the year

Chongqing Daily reporters learned from the Municipal Housing and Urban -Rural Development Commission on September 27 that the Xinfeng Middle Road Project has been constructed and plans to open at the end of this month. In addition, this year's central urban area will also be completed and opened a number of urban road projects, including the expansion and transformation of the Shapingba section of the Inner Ring Expressway, the Xinjiu Middle Road, the Yubei section of Ganyue Avenue, and the one -time Ishiba of the Expressway to the Bafu Lili section. , After opening to traffic, the traffic conditions along the route will be improved.

The renderings of the Yubei section of Ganyue Avenue. Municipal Housing and Urban -Rural Development Commission for pictures

Xinfeng Middle Road Project is an important part of the municipal supporting project of Chongqing West Station Hub, which is divided into two -story design. Among them, the upper floor of the road is the ground road, which is a two -way six -lane (local eight lanes). It starts in Xishan Village, Jiulongpo District. 2984 meters; the lower floor is a tunnel under Xinfeng Middle Road, a two -way four -lane, with a total length of 1447.22 meters. It starts in Xishan Village, Jiulongpo District. After the project is completed and opened to traffic, the traffic road network energy level of the Chongqing West Station area will make the north -south pass more unobstructed and alleviate the traffic pressure along the line.

Inner ring Express Road Shapingba section widening the transformation project from the beginning of the West Ring stands, the end point is connected to the South Bridge of the Gajia Garden Bridge, with a total length of 5480 meters. The renovation project will increase the original two -way six -lane and emergency parking belt, broaden into two -way ten lanes. At present, more than 80%of the project construction has been completed, and it is expected to be completed within the year. After the project is completed and opened to traffic, it will increase the traffic capacity of more than 1/3, which is of great significance to improving the structure of the urban road network and promoting the coordinated development of the region along the line. The starting point of the Xinjiu Middle Road Project is connected to the east side of Huayan No. 3, passing the Jiuzhong Tunnel, Xin Guo Fu Road, and Chen Yan Road. The end point is connected to Jinxia Street, with a total length of 1.769 kilometers. At present, the project of Xinjiu Middle Road has completed 99%of the total project volume, and it is expected to be completed within the year. After the project is completed and opened to traffic, the regional linkage between the Dadukou District and the Jiulongpo area will be strengthened to ease the pressure of urban traffic.

The starting point of Ganyue Avenue's Yubei section project connects Shuanglonghu Interchange, intersects with Chunhua Avenue, and the end point is connected to the city of the south (intersecting node with the airport road). The total length is about 2.25 kilometers. At present, the project of Ganyue Avenue has completed 99%of the total project volume, underground network management and road construction, and planned to be completed within the year. After the project is opened to traffic, it will open up the connection between the Central Park area of ​​Yubei District and the airport and Yuelai area, which will play an important role in the relief of the transportation of the Central Park.

Shiba from the first vertical line of Express Road to the Bafifiti section from the north at the starting point of Shiba, and finally the end of Bafuli, with a total length of 3.98 kilometers. At present, the construction of the main structure of Bafu and Shiba Interchange has been completed by more than 90%. After the project is completed, it will further improve the structure of the urban expressway network in the central urban area and alleviate the traffic pressure of the Zhongliangshan Tunnel.

New progress in the city!

At the end of the year, all tunnels in the traffic section realize dual -hole penetration

The construction site of the Jiming Special Tunnel. Photo Conferry of Chongqing Expressway Group

"Boom-" On the morning of September 27, a blasting caused a stuffy for more than 10 seconds. This means that all tunnels from Jiming Township to Chengkou County, which are about to open to traffic at the end of the year, have achieved dual -hole connectivity, and it is a step forward to end the history of the highway in Chengkou County.

According to reports, the Jiming Special Tunnel started in Xunzi Township, Chengkou County. After Mingtong Town, it stopped in Jiming Township, Chengkou County. Long tunnel. The entire tunnel is constructed with a two -way four -lane highway standard with a design speed of 80 kilometers per hour.

It is reported that the Kaizhou to Kaizhou Tanjia to Chengkou Jiming section of the city has been opened to traffic. It has been opened to traffic from 80 kilometers. Among them, 3 special tunnels. At present, this section of civil construction project has been completed about 98%, and it is expected to be opened to traffic by the end of this year.

Reporter: Yang Yongqin Liao Xuemei Wang Tianyi

Responsible editor: Zhou Jing

School pair: Chongyunfeng

Review: Longmei

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