China has rolled out the world’s largest-diameter double-shield tunnel boring machine, a 3,500-ton system designed to excavate an 18.4-km expressway tunnel.
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Precision repair using line boring and welding
This video shows precision repair using line boring and bore welding to restore worn components. A focused look at accuracy, alignment, and long-term durability. Why are these techniques critical in ...
Al Wugeisha is a tunnel boring machine (TBM) that is carving out the underground network Al Wugeisha, the tunnel boring machine (TBM) located at the Dubai Metro Blue Line project next to Dragon Mart ...
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