HomeNewsHaizhuwan Tunnel, the largest shield machine in Guangzhou, officially opened the "journey...

Haizhuwan Tunnel, the largest shield machine in Guangzhou, officially opened the “journey across the river”-Chinanews.com



Photo provided by Guangzhou Communications Investment Group, the largest shield machine in Guangzhou



Chinanews.com, Guangzhou, January 11th (Cai Minjie and Xu Xuezhao) On the 11th, in the Nanpu starting work shaft of the Guangzhou Haizhu Bay Tunnel Project, as the huge cutterhead slowly rotated, it was jointly built by Guangzhou Communications Investment Group and China Railway 14th Bureau. The launch of the largest-diameter shield machine in Guangzhou, “Avenue Pioneer”, marks that the Haizhu Bay Tunnel Project has entered the shield construction stage, and the journey across the Pearl River has officially begun.

“Avenue Pioneer” has a total length of 140 meters and is composed of cutter head, shield body, bridge frame, assembly machine and five trolleys. The excavation diameter is 15.07 meters. It is also equipped with scalable main drive, advanced geological detection, high precision A series of intelligent systems such as gas-liquid balance and synchronous injection of double-liquid slurry have made sufficient preparations for the long-distance crossing of the complex red bed geology in the Pearl River Delta region by the shield machine in terms of equipment selection. Tailor-made”.

Photo provided by Guangzhou Communications Investment Group, the largest shield machine in Guangzhou

Photo provided by Guangzhou Communications Investment Group, the largest shield machine in Guangzhou

The Haizhu Bay Tunnel project spans Haizhu District and Panyu District of Guangzhou City. The total length of the line is 4.35 kilometers, of which the shield section is 2077 meters long. road. The project adopts the urban expressway construction standard with two-way 6 lanes and a design speed of 60 kilometers. It is the first underwater tunnel constructed with super shield technology in Guangzhou.

During the initiation and subsequent excavation of the “Avenue Pioneer” shield machine, Guangzhou Communications Investment Group and China Railway 14th Bureau will use the intelligent industrial site system platform, combined with real-time monitoring of the ground surface, real-time transmission of data from cutter head sensing elements, on-site monitoring video, Shield tunneling parameters, etc., give full play to the advantages of the information platform, and continuously improve the management accuracy and management level in shield construction, quality and safety supervision, hazard monitoring, personnel positioning, etc.

It is reported that after the completion of the Haizhu Bay Tunnel Project, the journey from central urban areas such as Haizhu and Yuexiu to Guangzhou South Railway Station is expected to be shortened to 15 minutes, which will enhance the collection and distribution capacity of Guangzhou South Railway Station, further release its core gateway hub function, and promote Guangzhou’s national The construction of a central city and the interconnection of the Guangdong-Hong Kong-Macao Greater Bay Area are of great significance. (Finish)


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