"Yong'an" is a large diameter dual -mode Tunnel Boring Machine. Excavation diameter is 14.29 meters.
It was produced for boring 3963.5 meter shield section of the Guifengshan Tunnel.
TBM has has pre -geological forecast system, tool wear monitoring system, slag volume measurement system, shield tail gap measurement system, pipeline intelligent transportation, visualization, oil monitoring, vibration monitoring and early warning.
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cover tunnel photo by: Matt Brown from London, England / CC BY
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中國最大直徑土壓/TBM雙模盾構機“永安號”順利始發--經濟·科技--人民網
finance.people.com.cn中新社北京8月8日電8日,珠肇鐵路公司投資建設、中鐵隧道局集團施工的珠肇高鐵全線控制性工程——圭峰山隧道“永安號”盾構機在廣東江門順利始發,標志著珠肇高鐵全線正式進入盾構施工階段。8月8日,珠肇高鐵全