| CONTENTS


10 16


7


TBM finish after boring a power cable tunnel below the Elbe river, Germany Image courtesy of Herrenknecht


Comment 3


10 24 30


REGULARS 7 News


16 28 35


42 Events


20 24


28 30 35


37 38


Linings


Slipform technology Prof Colin M Eddie, CECL Dr Henry Pairaudeau, CECL BTS meeting report on a slipforming concept for tunnel lining.


Beyond traditional Benoit de Rivaz, Bekaert


Widening opportunities across more projects seen for SFRC.


Insight Spotlight on support Some key papers on ground support and lining from WTC 2026.


SMART tunnels Norris Harvey, HNTB


Technology boost for safe and intelligent road tunnel operations.


Trenchless Trenchless guidance Small diameter tunnelling guidance is published by ITAtech.


HDD challenge A trenchless project overcomes a large elevation drop struggle.


Canada calls A look at NASTT’s No-Dig North event in Calgary in Nov.


Preview BTS H&S course BTS to run its Underground Health & Safety course in Nov.


AFTES 2026 French tunnellers to hold major conference in Lille in Oct.


October 2026


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