Good news of the third phase of the subway!Connect!

In the past few days,

The third phase of the construction planning line of Hefei Rail has made new progress.

Line 3 of the South Extension Line of the South Extension Line, the left line,

Line 2 Dongyan Line "Huxiang" range on the left line smoothly,

Article 8 of Line 3, Article 8,

Article 17 of the east extension line of Line 2 runs through the shield single -line range.

Line 3 South Extension Line "Shin Museum" range

The left line of the "lower museum" range is 940 meters in length, and the thickness of the soil is about 6 to 16 meters. The shield machine starts from Xiapaihe Road Station, digs south along Qinglong Road, and transferred to Shenzhen Road to the west to the Pavilion Post Road Station.

At the small clean distance of this area, the entrance and exit line of the Shenzhen road parking lot has both structures and high -pressure gas pipelines. It is difficult to cross the strata sticky, small radius curve section shields and shallow soil receiving control, and the construction risk is large.

In order to ensure the smooth penetration of the shield interval, the Hefei Rail Group has repeatedly carried out the construction simulation of the shield excavation process. Professional measurement personnel measured and reviewed the whole process, continuously optimized the construction technical solution, increased the frequency of regional monitoring of the pipeline, and dynamically adjusted the shield excavation parameters.

In response to the problem of large -scale strata sticky and easy -to -knit mud cakes, Hefei Rail Group led the participating units to compare the comparative test of the residue improvement effect, select high -quality decentralized foaming agents, optimize the construction process such as foam injection and the amount of water plus water, and other construction processes. , Significantly improved construction efficiency and ensure the smooth penetration of the shield range.

As of now, there are 5 main structures on the eight stations of the South Extension Line 3, and 8 shields have been connected.

Line 2 Dongyan Line "Huxiang" range

On September 7, Line 2 Dongyan Line Huxing Road Station to Xianghe Road Station was smoothly penetrated, and it was the 17th shield single -line range that was connected by the line.

The left line from Xianghe Road Station to Xianghe Road Station is 717 meters. It mainly crosses the soil layer as hard plastic clay, and the interval vertical surface is a "V" -shaped slope. The shield machine starts from the moat station, laid east along the Yangtze River East Road, and receives Xianghe Road Station.

In this interval, the thirty -port river and the thirty -port river bridge, the interval range is dense, and the construction accuracy requirements are high. The scientific organization of Hefei Rail Group, refine construction tasks, strengthen safety control, keep an eye on key processes, and successfully achieve the goal of interval to penetrate the task.

As of now, all the main structure of the 11 stations of Line 2 has been capped, and the 24 shield single -line interval has been connected.

A little more news

The main structure of Yaoyuan Road Station on Line 8 is successfully capped

On September 7, with the completion of the last part of the top plate, the main structure of the Yaoyuan Road Station of Line 8 was successfully capped, which was the station on the 9th main structure of the line.

Yaoyuan Road Station is located at the intersection of Fuyang North Road and Yaoyuan Road. It is set up north and south along Fuyang North Road. The main body of the station is 472.6 meters, the standard section is 20.7 meters wide, and the depth is about 17.1 meters.

As of now, there are 9 main structures on the first phase of Line 8 and 12 stations, and 6 shield single -line interval has been connected.

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Text | All Media Reporter Wang Junchao

Edit | All media editor Wu Qingpei

Produced | "Lakeside Point" Rong Media Studio

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