
First Breakthrough of Liantang Tunnel Boring Machine in Hong Kong
4 minutes of reading
The Liantang tunnelling project entered a new chapter on 1st March with the breakthrough of the southbound tube’s Tunnel Boring Machine (TBM) section by Hong Kong’s largest dual-mode Earth Pressure Balanced (EPB) TBM. A milestone in this major project for Chinese regional planning.


The Liantang tunnel: great premieres in Hong Kong
Around 4.8 kilometres in length, the Lung Shan Tunnel will be the longest twin-tube road tunnel in Hong Kong upon completion. The tunnel boring works for the southbound tube commenced in November 2015 and lasted 16 months. A number of engineering techniques were adopted for the first time in Hong Kong, including the adoption of Hong Kong’s largest EPB TBM with a diameter of 14.1 metres, to tackle the challenges of excavating the geological area with multiple faults and mixed ground conditions.

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