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<br /> <br /> TUNNELLING JOURNAL APRIL/MAY 2025<br /> April/May 2025<br /> The International Journal for the Tunnelling Industry<br /> www.tunnellingjournal.com<br /> Breakthrough Moment<br /> for Chessie<br /> Page Page Page<br /> 10<br /> Gothenburg’s<br /> Mega-Column<br /> Solution<br /> TJ reviews the<br /> complex engineering<br /> solutions implemented<br /> for the Gothenburg<br /> Västlänken Project<br /> (The West Link)<br /> 20 Fehmarnbelt<br /> update<br /> The first tunnel element<br /> on the world’s longest<br /> immersed tube tunnel,<br /> part of the Fehmarnbelt<br /> link, is due to be<br /> immersed later this<br /> year. TJ investigates. u<br /> <a title="TJ April/May 2025 page 1" href="https://secure.viewer.zmags.com/publication/572ac168?page=1"> </a> <a title="TJ April/May 2025 page 2" href="https://secure.viewer.zmags.com/publication/572ac168?page=2"> TUNNELLING JOURNAL APRIL/MAY 2025 April/May 2025</a> <a title="TJ April/May 2025 page 3" href="https://secure.viewer.zmags.com/publication/572ac168?page=3"> 2 Tunnelling Journal </a> <a title="TJ April/May 2025 page 4" href="https://secure.viewer.zmags.com/publication/572ac168?page=4"> Cover Story The big moment: breakthrough for Her</a> <a title="TJ April/May 2025 page 5" href="https://secure.viewer.zmags.com/publication/572ac168?page=5"> ALWAYS ADVANCING www.terratec.co </a> <a title="TJ April/May 2025 page 6" href="https://secure.viewer.zmags.com/publication/572ac168?page=6"> EDITOR’S COMMENT On the up It’s World Tunnel Co</a> <a title="TJ April/May 2025 page 7" href="https://secure.viewer.zmags.com/publication/572ac168?page=7"> BREAKING INDUSTRY NEWS CPK awards Poland’s larges</a> <a title="TJ April/May 2025 page 8" href="https://secure.viewer.zmags.com/publication/572ac168?page=8"> Large Diameter φ12.68m EPB - Double Shield Conve</a> <a title="TJ April/May 2025 page 9" href="https://secure.viewer.zmags.com/publication/572ac168?page=9"> BREAKING INDUSTRY NEWS Second HS2 Northolt Tunnel</a> <a title="TJ April/May 2025 page 10" href="https://secure.viewer.zmags.com/publication/572ac168?page=10"> Parallel Thimble Shoal Tunnel achieves breakthrou</a> <a title="TJ April/May 2025 page 11" href="https://secure.viewer.zmags.com/publication/572ac168?page=11"> Gothenburg’s Mega-Column Solution Tom Crabtree S</a> <a title="TJ April/May 2025 page 12" href="https://secure.viewer.zmags.com/publication/572ac168?page=12"> open excavation trough structure, connecting Väst</a> <a title="TJ April/May 2025 page 13" href="https://secure.viewer.zmags.com/publication/572ac168?page=13"> rocktechnology.sandvik/groundsupport Injection </a> <a title="TJ April/May 2025 page 14" href="https://secure.viewer.zmags.com/publication/572ac168?page=14"> Gothenburg’s Mega-Column Solution See the cros</a> <a title="TJ April/May 2025 page 15" href="https://secure.viewer.zmags.com/publication/572ac168?page=15"> The 3D reinforcemen</a> <a title="TJ April/May 2025 page 16" href="https://secure.viewer.zmags.com/publication/572ac168?page=16"> Tunnelling Journal 15</a> <a title="TJ April/May 2025 page 17" href="https://secure.viewer.zmags.com/publication/572ac168?page=17"> arrived out of specification, as there would be ti</a> <a title="TJ April/May 2025 page 18" href="https://secure.viewer.zmags.com/publication/572ac168?page=18"> utt.mapei.com Tunnelling Journal 17</a> <a title="TJ April/May 2025 page 19" href="https://secure.viewer.zmags.com/publication/572ac168?page=19"> NATM solution for the Liseberg Amusement Park Fo</a> <a title="TJ April/May 2025 page 20" href="https://secure.viewer.zmags.com/publication/572ac168?page=20"> Tunnelling Journal 19</a> <a title="TJ April/May 2025 page 21" href="https://secure.viewer.zmags.com/publication/572ac168?page=21"> Fehmarnbelt update The first tunnel element on t</a> <a title="TJ April/May 2025 page 22" href="https://secure.viewer.zmags.com/publication/572ac168?page=22"> I t is an exciting time on the Fehmarnbelt </a> <a title="TJ April/May 2025 page 23" href="https://secure.viewer.zmags.com/publication/572ac168?page=23"> m S art Positioning of the Beast! Let the system</a> <a title="TJ April/May 2025 page 24" href="https://secure.viewer.zmags.com/publication/572ac168?page=24"> Logistics masterpiece It is difficult to describe</a> <a title="TJ April/May 2025 page 25" href="https://secure.viewer.zmags.com/publication/572ac168?page=25"> IVY immersion pontoon Puttgarden portal area Lass</a> <a title="TJ April/May 2025 page 26" href="https://secure.viewer.zmags.com/publication/572ac168?page=26"> Pioneering smarter underground solutions From co</a> <a title="TJ April/May 2025 page 27" href="https://secure.viewer.zmags.com/publication/572ac168?page=27"> Completing Sweden’s East Link Two major contracts</a> <a title="TJ April/May 2025 page 28" href="https://secure.viewer.zmags.com/publication/572ac168?page=28"> Nyköping’s travel centre the Trosaån valley, an</a> <a title="TJ April/May 2025 page 29" href="https://secure.viewer.zmags.com/publication/572ac168?page=29"> Forward momentum With WTC in Stockholm, home to e</a> <a title="TJ April/May 2025 page 30" href="https://secure.viewer.zmags.com/publication/572ac168?page=30"> Forward momentum be in discussion at the worki</a> <a title="TJ April/May 2025 page 31" href="https://secure.viewer.zmags.com/publication/572ac168?page=31"> Sandvik’s drill rig positioning system during c</a> <a title="TJ April/May 2025 page 32" href="https://secure.viewer.zmags.com/publication/572ac168?page=32"> Work On Progress All services from a single sou</a> <a title="TJ April/May 2025 page 33" href="https://secure.viewer.zmags.com/publication/572ac168?page=33"> Tunnelling for logistics Building one of the worl</a> <a title="TJ April/May 2025 page 34" href="https://secure.viewer.zmags.com/publication/572ac168?page=34"> Tunnelling for logistics </a> <a title="TJ April/May 2025 page 35" href="https://secure.viewer.zmags.com/publication/572ac168?page=35"> The Reach 1 inlet The CBT</a> <a title="TJ April/May 2025 page 36" href="https://secure.viewer.zmags.com/publication/572ac168?page=36"> SATISFYING ALL YOUR MICROTUNNELING NEEDS -COMP</a> <a title="TJ April/May 2025 page 37" href="https://secure.viewer.zmags.com/publication/572ac168?page=37"> Advancing understanding of stress distribution in</a> <a title="TJ April/May 2025 page 38" href="https://secure.viewer.zmags.com/publication/572ac168?page=38"> Advancing understanding of stres</a> <a title="TJ April/May 2025 page 39" href="https://secure.viewer.zmags.com/publication/572ac168?page=39"> Figure 3: Deformed lining and principal stress co</a> <a title="TJ April/May 2025 page 40" href="https://secure.viewer.zmags.com/publication/572ac168?page=40"> Advancing understanding of stres</a> <a title="TJ April/May 2025 page 41" href="https://secure.viewer.zmags.com/publication/572ac168?page=41"> Tunnelling Tales you won’t want to miss The Brit</a> <a title="TJ April/May 2025 page 42" href="https://secure.viewer.zmags.com/publication/572ac168?page=42"> Tunnelling Tales you won’t want to miss </a> <a title="TJ April/May 2025 page 43" href="https://secure.viewer.zmags.com/publication/572ac168?page=43"> Celebrate 50 years of the British Tun</a> <a title="TJ April/May 2025 page 44" href="https://secure.viewer.zmags.com/publication/572ac168?page=44"> PRODUCT NEWS Normet reveals Spraymec 4100 and Sp</a> <a title="TJ April/May 2025 page 45" href="https://secure.viewer.zmags.com/publication/572ac168?page=45"> PRODUCT NEWS Gordon Brothers offers equipment ac</a> <a title="TJ April/May 2025 page 46" href="https://secure.viewer.zmags.com/publication/572ac168?page=46"> A proud heritage of innovative thinking. </a> <a title="TJ April/May 2025 page 47" href="https://secure.viewer.zmags.com/publication/572ac168?page=47"> CONTACT US Tris Thomas Editorial Director Tel: + </a> <a title="TJ April/May 2025 page 48" href="https://secure.viewer.zmags.com/publication/572ac168?page=48"> PC: Barnard Challenges Accepted. Custom equipme</a> <a title="TJ April/May 2025 page 49" href="https://secure.viewer.zmags.com/publication/572ac168?page=49"> </a> <a title="TJ April/May 2025 page 50" href="https://secure.viewer.zmags.com/publication/572ac168?page=50"> April/May 2025 www.tunnellingjournal.co</a> <a title="TJ April/May 2025 page 51" href="https://secure.viewer.zmags.com/publication/572ac168?page=51"> Advances in Tunneling Technology | November 3-5, </a> <a title="TJ April/May 2025 page 52" href="https://secure.viewer.zmags.com/publication/572ac168?page=52"> Comment The underground solution for water pollut</a> <a title="TJ April/May 2025 page 53" href="https://secure.viewer.zmags.com/publication/572ac168?page=53"> NORTH AMERICAN NEWS Gateway awards Manhattan Tunn</a> <a title="TJ April/May 2025 page 54" href="https://secure.viewer.zmags.com/publication/572ac168?page=54"> THE INSIDER Bob Goodfellow, PE, PEng, President, </a> <a title="TJ April/May 2025 page 55" href="https://secure.viewer.zmags.com/publication/572ac168?page=55"> Success on Second Narrows The first of three pipe</a> <a title="TJ April/May 2025 page 56" href="https://secure.viewer.zmags.com/publication/572ac168?page=56"> north end of the project, the TBM launch shaft wa</a> <a title="TJ April/May 2025 page 57" href="https://secure.viewer.zmags.com/publication/572ac168?page=57"> We keep your project rolling. Locomotives</a> <a title="TJ April/May 2025 page 58" href="https://secure.viewer.zmags.com/publication/572ac168?page=58"> SUCCESS ON SECOND NARROWS pouring the structur</a> <a title="TJ April/May 2025 page 59" href="https://secure.viewer.zmags.com/publication/572ac168?page=59"> Second Narrows shafts and tunnel alignment one </a> <a title="TJ April/May 2025 page 60" href="https://secure.viewer.zmags.com/publication/572ac168?page=60"> EXPERIENCE. INNOVATION. RESULTS. Crux specialize</a> <a title="TJ April/May 2025 page 61" href="https://secure.viewer.zmags.com/publication/572ac168?page=61"> Tunnel vision Waterways across the US are being t</a> <a title="TJ April/May 2025 page 62" href="https://secure.viewer.zmags.com/publication/572ac168?page=62"> strategy. They finish one project then they start </a> <a title="TJ April/May 2025 page 63" href="https://secure.viewer.zmags.com/publication/572ac168?page=63"> View of the Northeast Boun</a> <a title="TJ April/May 2025 page 64" href="https://secure.viewer.zmags.com/publication/572ac168?page=64"> TUNNEL VISION contractors have successfully op</a> <a title="TJ April/May 2025 page 65" href="https://secure.viewer.zmags.com/publication/572ac168?page=65"> “Lady Bird,” the first Clean Rivers Tunnel Boring </a> <a title="TJ April/May 2025 page 66" href="https://secure.viewer.zmags.com/publication/572ac168?page=66"> Registration Opens Spring 2025 Attend the Nation’</a> <a title="TJ April/May 2025 page 67" href="https://secure.viewer.zmags.com/publication/572ac168?page=67"> Dallas Ballroom Get ready for the Rapid Ex</a> <a title="TJ April/May 2025 page 68" href="https://secure.viewer.zmags.com/publication/572ac168?page=68"> FAMA Srl </a>