Shulou(Shulou.com)11/24 Report--

CTOnews.com January 6 news, According to CCTV News, This morning, The world's largest section/Combined rectangular shield jacking machine "China Railway 1179" Successfully offline in Zhengzhou, Henan Province.

According to introduction, the rectangular shield pipe jacking machine is 11.29 meters wide and 13.55 meters high. It is composed of two pieces of equipment up and down. It is the rectangular pipe jacking machine with the largest excavation area in the world at present and composed of two pieces of equipment up and down. It is an advanced machine tailored for Shenzhen Metro Group in Shenzhen Shasan Station Project.

After "China Railway No.1179" goes offline, it will be used for the construction of Shenzhen Metro Station Project. This equipment is the first time in the world to introduce super-large cross-section combined rectangular pipe jacking into the field of subway station construction, realizing a major innovation in subway station construction methods.

According to the official introduction,"China Railway No.1179" aims at the construction difficulties of the project, realizes the functions of shallow soil covering, large cross-section and zero-gap excavation through micro-bench excavation technology, attitude measurement and control technology, greatly improving the safety and reliability of the equipment.

Compared with the traditional open-cut method usually adopted in subway station construction, the underground construction of pipe jacking machine will not affect the road traffic, can walk as usual, will not lead to road excavation, and will not bring a series of effects such as traffic congestion and environmental deterioration. It is an effective way to intensify the construction of subway stations, improve efficiency and reduce comprehensive cost.

CTOnews.com learned that as a leading enterprise in China's tunnel boring machine industry, China Railway Equipment has successively developed a series of innovative and groundbreaking products such as the world's first horseshoe shield machine and the world's largest diameter hard rock boring machine. The order of tunnel boring machine exceeds 1500 units, and the production and sales volume ranks first in the world for five consecutive years.

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