Story perspectives

China Rescues Stranded Tunnel Boring Machine Under Yangtze

1/11/2026

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Summary

Story summary

China recovered a stranded tunnel boring machine beneath the Yangtze River, achieving a rendezvous with 2 millimeters of vertical error.
State media reported the salvage of the 6.4-kilometer Jiangyin-Jingjiang Yangtze River Tunnel project in Jiangsu after a 16-meter-diameter shield machine halted.
A second TBM was deployed to excavate from the opposite direction.
The US$50 million TBM had been trapped under water pressure, threatening completion and marking an engineering milestone.

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Story summary

China recovered a stranded tunnel boring machine beneath the Yangtze River, achieving a rendezvous with 2 millimeters of vertical error.
State media reported the salvage of the 6.4-kilometer Jiangyin-Jingjiang Yangtze River Tunnel project in Jiangsu after a 16-meter-diameter shield machine halted.
A second TBM was deployed to excavate from the opposite direction.
The US$50 million TBM had been trapped under water pressure, threatening completion and marking an engineering milestone.