Today on Tunnels & Tunnelling International


LATEST NEWS

LNSS buys Caterpillar's tunnelling business
20 October, 2014 CANADA -Liaoning Censcience Industry (LNSS) has acquired the fixed assets and entire Intellectual Property of Caterpillar Tunneling Canada Corporation (CTCC). The two companies entered into an Assets Purchase Agreement in January 2014, and a closing ceremony was held at CTCC's facilities in Toronto, Canada.
  • Design contract awarded for new Chesapeake Bay tunnel
    USA - Jacobs Engineering Group Inc., announced October 7 that it was awarded a contract from the Chesapeake Bay Bridge and Tunnel Commission (CBBT) to serve as the design manager for a new tunnel along the 23-mile (37km) toll crossing at Thimble Shoals Channel between Virginia Beach, Virginia, and the Delmarva Peninsula.
  • Direct Pipe TBM delivered to Calgary
    Canada - Calgary Tunnelling, a subsidiary of Enterprise Group, Inc., has taken delivery of a Direct Pipe TBM, manufactured by Herrenknecht, to install a 42-inch pipe casing under the Bow River in Calgary, Alberta.

LATEST FEATURES

Crossrail Western tunnels: TBM Breakthrough at Bond street station
10 October, 2014 The construction of the Crossrail Western tunnels saw two tunnel boring machines (TBMs) build 13.7km of tunnel below the streets of central London.
  • Crossrail C310
    Geotechnical and tunnelling related specifics in urban tunnelling, and a river crossing with low overburden are covered in this BTS presentation on Crossrail contract C310, Thames Tunnel.
  • Doused by Design
    Interest is rising in water mist spray for fixed fire fighting systems in tunnels. Report by Patrick Reynolds.
  • Rio realised
    Cutting under the dense urban environment of Rio de Janeiro’s southern and western sprawl is calling for a mix of measures, from drill and blast with shotcrete lining, to segmentally lined TBM drives. The mixed ground showed its complexity with a sinkhole earlier this year, but careful monitoring and quick response is keeping the project on track for the 2016 Olympic Games. Technical journalist Rhian Owen reports
  • Top of the box
    Bangkok’s metro system construction is making innovative use of pipejacking for the roof of a new underground station reports Adrian Greeman


BLOGS

Oh Canada
03 October, 2014 With the autumn conference season upon us the tunnelling community is next month heading to Vancouver to take part in the Tunnelling Association of Canada’s biennial conference.
  • It's later than you think
    AS the tunnelling community plans to descend upon London for the British Tunnelling Society conference next month, Mayor Boris Johnson has set out a GBP 1.3 trillion (USD 2.2 trillion) development plan that lays down a treasure trove of underground opportunities for the city. The plan outlines the infrastructure developments needed to keep pace with London's growth.
  • Better together
    A sullen Lionel Messi stood with stooped shoulders next to the award winning German goalkeeper Manuel Neuer in the immediate aftermath of the Fifa World Cup Final.
  • Next Generation
    Recently, various reports have been released that confirm the ever-widening gap between the Millennial generation and the preceding Baby Boomers.
  • ITA turns 40
    WHEN CONSIDERING an anniversary it is always fun to delve into the archives and see what the past can reveal. The International Tunnelling Association's 40th birthday is no exception and when routing through the early editions of Tunnels we happened across an interview with Alan Muir Wood ahead of the first ITA meeting in Oslo, 1974.

LATEST EVENTS

TAC 2014 Annual Conference
26 Oct 2014 - 28 Oct 2014
  • NASTT’s 2015 No-Dig Show
    15 Mar 2015 - 19 Mar 2015 NASTT’s No-Dig Show is the largest trenchless technology conference in North America, where professionals attend to learn new techniques that will save money and improve infrastructure. The overall No-Dig program is focused on one objective: helping you maximize your investment in trenchless technologies, services and applications.