Recently，Jointly built by Railway Construction Heavy Industry and Anhui Communications Construction Co., Ltd.“Access number”The earth pressure balance shield machine is offline in the second industrial park of China Railway Construction Heavy Industry.。

“Access number”Earth pressure balance shield machine

Executive Vice President of Anhui Communications Construction Co., Ltd.、Chief Engineer Chu Genfa delivered a speech

Standing Committee of the Party Committee of Railway Construction Heavy Industry、Director、Deputy General Manager、Welcome Speech by Chief Engineer Hu Bin

Yang Fangming, Marketing Director and General Manager of Business Planning Department of Railway Construction Heavy Industry, presided over the ceremony.

“Access number”It will be used in Hefei Rail Transit Xinqiao Airport.SCivil construction of Line 1 Bid 1，The total length of the bid section is about 3.03 kilometers，It is the longest tunnel distance in single section of Hefei rail transit construction.、Interval with the largest section，And that geology of the tunnel is complex.，Extremely high requirements for equipment。

In view of the key and difficult points in the construction of this project，The R & D team of China Railway Construction Heavy Industry Co., Ltd.、Type selection、Functional configuration and other aspects of customized design.，Tailor-made“Access number”Earth pressure balance shield machine。Its excavation diameter is 6.96 meters，Length of complete machine: 85m，Installed power: 3,100kW，And targeted configuration of foam、Polymer and other muck improvement system，Can better solve the problem of gushing；Equipped with humanized temperature rise control device，Greatly improve the construction environment of workers，To ensure safety、Complete the construction task of the project efficiently。

Guests pose for a group photo in front of the equipment

It is reported that，Hefei Rail Transit Xinqiao AirportSLine 1 is“Key Project of Commuting Traffic Network in Hefei Metropolitan Area”，The line connects Xinqiao International Airport in series.、Two transportation hubs of the new Hefei West Railway Station，Realize the city center and airport group、Quick contact of Gangji Group，After completion，To optimize the layout of urban space、Promote the integration and development of the city.、It is of great significance to support the higher quality and integrated development of Hefei metropolitan area.。

“Access number”The earth pressure balance shield machine rolled off the production line smoothly，It marks Xinqiao Airport of Hefei Rail Transit.SThe construction of Line 1 is about to enter a new stage.。Coming up，The equipment will be disassembled and transported to the construction site.，Step into a new construction journey。