China’s Largest TBM - With Panda Face Emerges From Tunnel
On 12 December 2022 ‘Jinxiu’ - China’s largest EPB TBM developed by CRCHI - marked the first smooth breakthrough of the Jinxiu Tunnel, a key control project of the Chengdu-Zigong high-speed railway.
Jinxiu is China’s largest diameter EPB TBM with completely independent intellectual property rights. It has a 12.79m diameter and weighs 3,000 tons. It is 135m long and has 7500kW installed power. Its cutterhead coating has very Sichuan characteristics; a giant panda holding tender bamboo occupies central position.
Jinxiu rolled off the production line at CRCHI in 2021
Jinxiu is China’s largest diameter EPB TBM with completely independent intellectual property rights. It has a 12.79m diameter and weighs 3,000 tons. It is 135m long and has 7500kW installed power. Its cutterhead coating has very Sichuan characteristics; a giant panda holding tender bamboo occupies central position.
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NBM&CW February 2023