| CONTENTS


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9 Thrust pit tunnel boring machines during possession Comment 3


20 29


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36 42


REGULARS 6 News 50 Events


11 20 29


36 38 42


Obituary Olivier Vion


Former ITA executive director Olivier Vion was a steadfast champion of the global tunnelling community.


Trenchless


Triple bore solution Samuel O’Sullivan, Systra Simultaneous jacking of three small diameter TBMs during a tight possession at a rail embankment.


Utilities


Refurb challenge Ovi Frunza, Barhale Multiple tasks and solutions for varied water and sewer tunnel maintenance works and upgrades.


Project


TBM pilot path Shani Wallis, reporter China road tunnel project picks central pilot TBM bore for geology ahead of main tube excavations.


Equipment New tunnel excavator Develon’s new low profile excavator on Athens metro adds a new arm and boom design.


Preview Key events coming up Spotlight on a few key tunnelling industry conferences coming up soon - notably BTS events in September and October.


Interview


Claudio Cabral Dias Julian Champkin, T&TI Claudio Cabral Dias discusses project experience in UK and internationally.


September 2024


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