TREE NEWS update: China’s largest-diameter dual-shield hard rock tunnel boring machine, the Yuexi, rolled off the production line in Sichuan on the 24th, with a bore diameter of 13.01 metres and a total weight exceeding 3,500 tonnes. The machine carries a full-process intelligent construction system and can handle complex conditions including large soft-rock deformation and fault fracture zones. It will be deployed on the Yuexi tunnel of the Jinkouhe-Xichang expressway.
China Unveils 3,500-Tonne Dual-Shield Hard Rock TBM
This matters less as a tunnelling milestone than as a signal of how Chinese infrastructure is bundling intelligence into heavy machinery, with the full-process system pitched at the messy ground conditions that usually drive cost overruns. The immediate read-through sits with the domestic equipment supply chain and the Jinkouhe-Xichang corridor's construction timetable, not with crypto or RWA markets, which the item does not touch. Whether such integrated systems become standard across major Chinese tunnel projects is the open question worth watching.
Generated by AI for reference only.
Share on WeChat
Open WeChat → Scan → then tap "…" to send to a chat or Moments.
Tap "…" in the top-right corner to send to a chat or share to Moments.