The 12.48m diameter cutterhead of the Airport Link project's first tunnel boring machine has now been lowered into the launch box for assembly underground - a milestone in the lead-up to TBM tunnelling for Brisbane's Airport Link tunnel. This is the first of two 'Earth Pressure Balance' TBMs that constructor Thiess John Holland will assemble for excavation of the Airport Link tunnel - these are the largest TBMs to operate in Australia to date.
Enter the Airport Link TBM naming competition at www.brisconnections.com.au
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