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<br /> <br /> April/May 2020<br /> The International Journal for the Tunnelling Industry<br /> www.tunnellingjournal.com<br /> Tunnelling Journal 1<br /> TUNNELLING JOURNAL APRIL/MAY 2020<br /> 2 Tunnelling Journal<br /> For 10 years Tunnelling Journal has been proud to<br /> provide unbiased reporting, considered insight and<br /> expert opinion across our constantly evolving industry…<br /> here’s to the next 10 years!<br /> T<br /> O<br /> C<br /> I<br /> M<br /> S<br /> ELLING I<br /> RY TB<br /> N<br /> T<br /> A<br /> N<br /> U<br /> Y<br /> M<br /> R<br /> S<br /> AH<br /> TF<br /> C<br /> IS<br /> R<br /> M<br /> U<br /> S<br /> L<br /> S<br /> N<br /> H<br /> OT<br /> KN<br /> I<br /> A<br /> U<br /> A<br /> T<br /> I<br /> C<br /> S<br /> E<br /> E<br /> PI<br /> M<br /> NI<br /> A<br /> T<br /> G<br /> C<br /> I<br /> P<br /> E<br /> G<br /> G<br /> C<br /> T<br <a title="TJ April/May 2020 page 1" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=1"> </a> <a title="TJ April/May 2020 page 2" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=2"> April/May 2020 The International Journal for th</a> <a title="TJ April/May 2020 page 3" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=3"> 2 Tunnelling Journal</a> <a title="TJ April/May 2020 page 4" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=4"> For 10 years Tunnelling Journal has been pr</a> <a title="TJ April/May 2020 page 5" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=5"> GRAND PARIS EXPRESS, FRANCE AC TOGETHER WE BUILD </a> <a title="TJ April/May 2020 page 6" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=6"> Grand Paris Express line build with Herrenknecht </a> <a title="TJ April/May 2020 page 7" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=7"> ALWAYS ADVANCING www.terratec.co </a> <a title="TJ April/May 2020 page 8" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=8"> Contents Editor’s comment – page 9 News from the </a> <a title="TJ April/May 2020 page 9" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=9"> Progress Reinforcing Tunnels help maximise </a> <a title="TJ April/May 2020 page 10" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=10"> EDITOR’S COMMENT A decade on… Well, I guess w</a> <a title="TJ April/May 2020 page 11" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=11"> BREAKING INDUSTRY NEWS Femern A/S Activates Co</a> <a title="TJ April/May 2020 page 12" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=12"> BREAKING INDUSTRY NEWS First Tunnel Complete O</a> <a title="TJ April/May 2020 page 13" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=13"> When, on the 31 Dec 2019 Wuhan Municipal Health C</a> <a title="TJ April/May 2020 page 14" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=14"> COVID-19 are kept streamlined and accessible via </a> <a title="TJ April/May 2020 page 15" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=15"> enforcing separate journeys to the construction s</a> <a title="TJ April/May 2020 page 16" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=16"> Tunnelling Journal 15</a> <a title="TJ April/May 2020 page 17" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=17"> Welcome to TJ’s New Podcast Series Our Unde</a> <a title="TJ April/May 2020 page 18" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=18"> PODCASTS This new bi-monthly Podcast series, b</a> <a title="TJ April/May 2020 page 19" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=19"> Renovation Revolution With massive investment req</a> <a title="TJ April/May 2020 page 20" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=20"> RENOVATION REVOLUTION unexpected issues will t</a> <a title="TJ April/May 2020 page 21" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=21"> www.gzconsultants.com ELEVATED THINKING, UNDERGR</a> <a title="TJ April/May 2020 page 22" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=22"> RENOVATION REVOLUTION reason we went for the o</a> <a title="TJ April/May 2020 page 23" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=23"> The upgrade included the </a> <a title="TJ April/May 2020 page 24" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=24"> YOUR PARTNER FOR INNOVATION UNDERGROUND Our glob</a> <a title="TJ April/May 2020 page 25" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=25"> was found that could not be distinguished from th</a> <a title="TJ April/May 2020 page 26" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=26"> for a collaborative approach at tender stage, but</a> <a title="TJ April/May 2020 page 27" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=27"> Harvey Weston Parker 15 minutes with I was born i</a> <a title="TJ April/May 2020 page 28" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=28"> 15 MINUTE INTERVIEW project I’ve worked on. Th</a> <a title="TJ April/May 2020 page 29" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=29"> industry is and will continue at a rapid and rapi</a> <a title="TJ April/May 2020 page 30" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=30"> Tunnelling Journal 29</a> <a title="TJ April/May 2020 page 31" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=31"> Challenging SCL at the Spitzenbergtunnel in Germa</a> <a title="TJ April/May 2020 page 32" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=32"> CHALLENGING SCL AT THE SPITZENBERGTUNNEL IN GERMA</a> <a title="TJ April/May 2020 page 33" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=33"> diameter weep holes for draining the possible see</a> <a title="TJ April/May 2020 page 34" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=34"> CHALLENGING SCL AT THE SPITZENBERGTUNNEL IN GERMA</a> <a title="TJ April/May 2020 page 35" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=35"> Figure 5: Left: worst case cover situati</a> <a title="TJ April/May 2020 page 36" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=36"> Hardening post- crack behavior at a low total cos</a> <a title="TJ April/May 2020 page 37" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=37"> Advances in segmental concrete lining To meet th</a> <a title="TJ April/May 2020 page 38" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=38"> ADVANCES IN SEGMENTAL CONCRETE LINING Expl</a> <a title="TJ April/May 2020 page 39" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=39"> Herrenknecht Formwork’s automated concrete </a> <a title="TJ April/May 2020 page 40" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=40"> KNOW WHY OUR FIBRE KNOWLEDGE REACHES DEEPER. E</a> <a title="TJ April/May 2020 page 41" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=41"> 48 </a> <a title="TJ April/May 2020 page 42" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=42"> ADVANCES IN SEGMENTAL CONCRETE LINING which th</a> <a title="TJ April/May 2020 page 43" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=43"> Combisegments® for the project West Trun</a> <a title="TJ April/May 2020 page 44" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=44"> For the Thames Tideway East (Main) and Greenw</a> <a title="TJ April/May 2020 page 45" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=45"> Writing for Tunnelling Journal </a> <a title="TJ April/May 2020 page 46" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=46"> WRITING FOR TUNNELLING JOURNAL – A PERSONAL VIEW </a> <a title="TJ April/May 2020 page 47" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=47"> An excerpt for Benoit’s first </a> <a title="TJ April/May 2020 page 48" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=48"> with different types of packer between the joint </a> <a title="TJ April/May 2020 page 49" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=49"> Controlled ventilation boosts tunnel safe</a> <a title="TJ April/May 2020 page 50" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=50"> CONTROLLED VENTILATION BOOSTS TUNNEL SAFETY </a> <a title="TJ April/May 2020 page 51" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=51"> variation in load can, therefore, harm the sensit</a> <a title="TJ April/May 2020 page 52" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=52"> AFRICA’S DRIVE TO GO UNDERGROUND Africa’s dri</a> <a title="TJ April/May 2020 page 53" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=53"> Contact us Tris Thomas Editorial Director Tel: + </a> <a title="TJ April/May 2020 page 54" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=54"> THE ROBBINS COMPANY DEFY EXPECTATIONS </a> <a title="TJ April/May 2020 page 55" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=55"> </a> <a title="TJ April/May 2020 page 56" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=56"> April/May 2020 www.tunnelingjournal.com</a> <a title="TJ April/May 2020 page 57" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=57"> SAFETY, SERVICE, AND INNOVATION JENNMAR offers a</a> <a title="TJ April/May 2020 page 58" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=58"> Comment Stepping up to the plate As Bob Goodfel</a> <a title="TJ April/May 2020 page 59" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=59"> NORTH AMERICAN NEWS VTA’s BART Silicon Valley Pr</a> <a title="TJ April/May 2020 page 60" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=60"> NORTH AMERICAN NEWS NEBT marks major milestone i</a> <a title="TJ April/May 2020 page 61" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=61"> THE INSIDER Bob Goodfellow, PE, PEng, President, </a> <a title="TJ April/May 2020 page 62" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=62"> Tunnel  Trenchless  Geotechnical  Geostructura</a> <a title="TJ April/May 2020 page 63" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=63"> Under Pressure in Canada The use of hyperbaric in</a> <a title="TJ April/May 2020 page 64" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=64"> UNDER PRESSURE IN CANADA decompress – slowly c</a> <a title="TJ April/May 2020 page 65" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=65"> R B A E T L I E N C G Model 450</a> <a title="TJ April/May 2020 page 66" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=66"> UNDER PRESSURE IN CANADA specifications, under</a> <a title="TJ April/May 2020 page 67" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=67"> The ups, and ups, for vertical conveying Vertical</a> <a title="TJ April/May 2020 page 68" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=68"> THE UPS, AND UPS, FOR VERTICAL CONVEYING Get th</a> <a title="TJ April/May 2020 page 69" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=69"> Operators are getting smarter Different operators</a> <a title="TJ April/May 2020 page 70" href="https://secure.viewer.zmags.com/publication/4719a3a9?page=70"> WE WORK WELL UNDER PRESSURE At ASI, we’re comm</a>