Damage to Tunnel Boring Machine Halts Tokyo Maglev Work
Construction of an underground tunnel for Japan's Linear Chuo Shinkansen in Tokyo's Shinagawa Ward is expected to remain suspended for at least another six months after damage was discovered in several components of a large tunnel boring machine, according to Central Japan Railway (JR Central). (News On Japan)
Japan's Linear Chuo Shinkansen project in Tokyo is expected to remain halted for at least six additional months following damage discovered in several components of a significant tunnel boring machine. Central Japan Railway (JR Central) suspended excavation work in July at the Kita-Shinagawa construction site after identifying unusual sounds emanating from the machine during underground tunneling operations.
Subsequent inspections have uncovered multiple damaged parts, including chipped teeth on gears connecting the machine's cutting head to its motor. Further inspections and investigations are anticipated to take at least six months, with a subsequent delay before excavation activities can recommence. Despite this setback, JR Central maintains that the suspension will not impact the projected opening schedule of the Linear Chuo Shinkansen.
The project aims to link Tokyo and Nagoya via superconducting magnetic levitation technology, with the Kita-Shinagawa section constituting part of the underground infrastructure being constructed for the new high-speed railway.
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