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.

Chengdu East Railway StationJinxiu 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.

📅 Published on: 15 February 2023
📖 Published in: NBM&CW February 2023
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