Railway Construction Heavy Industry Large Diameter Slurry Balance Shield Machine "Qiangguo" Offline, Helping the Construction of Intercity Railway Network in Dawan District

November 16，Large-diameter slurry balanced Shield Machine jointly built by China Railway Construction Heavy Industry and China Railway 22 Bureau“The name of a powerful country”Offline in the primary industry park of Railway Construction Heavy Industry。“The name of a powerful country”Excavation diameter 13.27 meters，It will be used for Guangguan-Shenzhen intercity“Section from Qianhai to Huanggang Port”Project engineering construction。

The leaders at the meeting unveiled the equipment.

Address by Pan Mingliang, General Manager of Shenzhen Railway Investment and Construction Group Co., Ltd.

Speech by Xie Jinshui, General Manager of CRCC Southern Construction Investment Co., Ltd.

Party Secretary of China Railway 22nd Bureau Group Co., Ltd.、Chairman

Zhao Hongying delivered a speech

Secretary of the Party Committee of China Railway Construction Heavy Industry、Chairman Liu Feixiang delivered a speech

Deputy Secretary of the Party Committee of Railway Construction Heavy Industry、Director、He Yongjun, chairman of the trade union, presided over the offline ceremony

It is reported that，The shield section of the project is 3511 meters long.，Minimum earth cover of the tunnel 10.7 meters，Maximum buried depth: 46m，Long distance crossing of soft soil、Upper soft and lower hard rock formation，Directly underpass important buildings and structures and existing metro lines，High requirements for surface settlement control，The construction is extremely difficult。

In view of the above engineering difficulties，The R & D team of China Railway Construction Heavy Industry Co., Ltd.“The name of a powerful country”A series of targeted design has been carried out for the Shield Machine.，In order to deal with the difficulties encountered in the long-distance crossing of the upper soft and lower hard strata in this project.，At the same time, it carries a number of intelligentization for the equipment.、Humanized innovative design，Provide strong guarantee for safe tunnel construction。

Leaders taking a group photo in front of the equipment

The section from Qianhai to Huanggang Port of Guangguan-Shenzhen Intercity Railway passes through Qianhai Cooperation Zone of Shenzhen、Nanshan district、Futian District，Total length of main line: 21.167 kilometers，After the completion of the line, the backbone network of Shenzhen Binhai Intercity Rail will be improved.，Support the Qianhai Free Trade Zone、Rapid construction of key development areas such as Dongguan Binhai New Town，It is of great significance to build an inter-city railway network in Guangdong-Hong Kong-Macao Greater Bay Area.。

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