UCD project | shield tunnel construction of Shaoxing Metro Line 1 project has been completed

At the same time, the shield also needs to pass through the upper soft and lower hard composite stratum, so the construction is difficult

.

The total length of Fenghuang Road Station Yushan road is about 0.9km

.

    Facing the severe situation of tight construction period and heavy tasks, under the correct leadership of the company, all management personnel of the project department are on duty 24 hours in turn

.

UCD

.

There are dense underground pipelines

.

All staff of Lot 12 of Shaoxing Metro Line 1 will also continue to adhere to the spirit of urban construction railway, work together, work hard, and ensure the smooth completion of follow-up works such as section liaison channel, station accessories and station internal structure with a better mental state on the premise of ensuring quality and safety

.

The whole process is located under Jiefang South Road with heavy traffic

.

It took nearly 8 months to complete 6 shield launching and 6 shield receiving tasks, which laid an important foundation for the final victory of bid 12 of Shaoxing Metro Line 1

.

   The project of Lot 12 of Shaoxing Metro Line 1 consists of two stations and three sections, with a total of 6 tunnels

.

The bridge needs to be demolished and rebuilt before construction

.

The total length of Chengnan Avenue Station Fenghuang Road station is about 1.2km

.

In the excavation process, it needs to pass through the complex strata of full section hard rock, upper soft and lower hard and soft soil, and 31 risk sources such as Shaoxing Yintai business district, Fengzejiang River and Chengnan bridge

.

On the morning of August 1, the cutter head of shield machine on Chengfeng right line was accurately unveiled, marking that all 6 shield tunnels of Shaoxing Metro Line 1 Lot 12 project undertaken by UCD rail construction company were successfully connected and the shield construction task was completed

.

All sections are constructed by shield method, and 6 shield machines are excavated at the same time

.

They do not have holidays during the Spring Festival, are not afraid of difficulties and stick to the front line

.

    Facing the difficulties in the construction process, when the shield machine crosses the upper soft and lower hard sections, the project department optimizes the cutter head and tool configuration in advance and the construction parameters on site

.

It is the shield interval that Shaoxing Metro enters the site at the latest and starts last

.

Both sides of the road are medium and high-rise residential and commercial buildings

.

Through careful organization and fine management, the shield can successfully pass through the hard rock at the lower part and the sandy silt sensitive stratum with water rich pressure at the upper part; During tunneling in soft soil section, the technical problems such as deviation of shield tunneling attitude, dislocation of formed segments, damage and segment floating are effectively reduced by adjusting and optimizing slag improvement, grouting behind the wall, strengthening construction measurement and shield attitude control

.

The whole process is located under Jiefang South Road with heavy traffic

.

At the same time, Tashan station is a construction site shared by four shield machines

.

Among them, the total length of Tashan station Chengnan Avenue station section is about 1.5km

. Fixing Socket Cross Pin

The site is narrow and located in the downtown area of Shaoxing, so it is difficult to coordinate

.

The total length of section III is about 3.6km

.

The surrounding environment is basically the same as that of Chengfeng section

.