
China Completes Unique Tunnel-Boring Complex for Massive Underwater Project in Wuhan
The complex is equipped with an advanced stone processing system, enabling it not only to move forward continuously but also to efficiently sort and transport large boulders. Thanks to these innovations, the machine can handle tasks that were previously considered nearly impossible for shield tunneling in gravel and mixed soils. The introduction of such technologies opens new horizons for the development of underground infrastructure in densely populated megacities.
The project was carried out by China Railway Engineering Equipment Group Co., Ltd. (CREG), a leading manufacturer of tunnel-boring machines in China. Experts from the company note that this new development will significantly accelerate tunnel construction, improve operational safety, and reduce equipment maintenance costs. Over the next few years, similar complexes are planned for use in other large-scale infrastructure projects across the country.
Technological Features and Advantages of the Complex
The main feature of the Zhengxianhao is its integration of an innovative mechanized stone transportation and sorting system. This solution enables the machine to operate continuously, which is especially important when tunneling beneath bodies of water and in complex geological conditions. Additionally, the system can adapt to various soil types, automatically adjusting its settings based on the composition of the rock.
Engineers note that such machines significantly reduce the risk of accidents and ensure greater tunneling precision. This is especially relevant for megacities, where underground utilities often run in close proximity to residential and industrial areas. By adopting new technologies, China is strengthening its position in underground construction and becoming one of the global leaders in the scale and complexity of implemented projects.
Impact on Infrastructure Development and Prospects
The construction of the world’s largest underwater tunnel beneath the lake in Wuhan will mark a major milestone in the city’s transportation system. The new tunnel will significantly reduce travel time between districts separated by the lake and increase the capacity of transportation routes. The launch of the facility is expected to give a strong boost to the region’s economic growth and attract additional investment into infrastructure projects.
Experts believe that the successful implementation of this project will serve as an example for other countries facing similar engineering challenges. Chinese technology is already attracting interest from international partners, and in the near future, an expansion of tunnel boring machine exports to the global market can be expected.
A word about CREG
China Railway Engineering Equipment Group Co., Ltd. (CREG) is one of the world’s largest manufacturers of tunnel boring machines and underground construction equipment. Founded in 2007, the company has since established itself as an industry innovation leader. CREG actively implements advanced technologies, collaborates with leading research institutes, and delivers large-scale projects both in China and internationally.
The company’s portfolio includes dozens of successfully completed projects, from metro and railway tunnels to road tunnels and underground utilities for energy and water supply. CREG products are exported to more than 20 countries around the world, and the company regularly receives prestigious industry awards for innovation and quality. Through continuous development and investment in scientific research, CREG remains one of the key players in the global underground construction market.











