On November 30th, Tangxing Technology's Trenchless Industrial Park celebrated another milestone moment with the official rollout of the 2600mm small-diameter jacking and tunnelling machine, "Yicha." This advanced equipment will be deployed for the first section of the natural gas pipeline construction project connecting Nan'an New District in Yining City to Qapqal County, crossing the Yili River. The construction section spans a total length of 1,715 meters.

The project involves strata primarily composed of water-rich sand and gravel, with complex geological conditions. Additional challenges such as small pipe diameter, long distance, deep burial depth, and high water pressure further raise the construction's complexity. After multiple rounds of expert deliberation, the project adopted a "jacking + tunneling" construction plan, which combines the strengths of traditional pipe jacking and shield tunneling, ensuring both safety and cost-effectiveness.

To address the project's demands, Tangxing Technology meticulously developed the "Yicha" jacking and tunnelling machine. The 110-meter-long equipment incorporates multiple cutting-edge technologies, including:

• Three-dimensional separation and fusion technologyfor jacking and tunneling.
• Ultra-small diameter jacking-and-splicing composite technology.
• Intelligent slurry circulation monitoring technology.
• Long-distance multi-mode jacking lubrication technology.
• Jacking and tunnelling guide measurement cross-technology.

During the design phase, the team overcame numerous technical challenges, providing a groundbreaking solution for small-diameter jacking and tunnelling construction.

In recent years, Tangxing Technology has consistently advanced in the field of small-diameter shield TBMs and TBMs, using technological innovation to redefine industry standards and elevate equipment design and manufacturing to new heights. The successful development and rollout of "Yicha" highlight the company’s robust capabilities in designing equipment for extreme working conditions and set a new benchmark for the development of small-diameter jacking and tunnelling machines in China.

Tangxing Technology remains committed to its innovation-driven approach, continuously exploring new possibilities in the trenchless sector. The company strives to provide high-quality solutions for domestic and international tunnel construction projects and contribute to the advancement of the industry.