| Article |
Type |
Published Date |
Rating |
Keeping it in the family
Germany-based Prof Walter Wittke is an outspoken critic of rock classification systems and has worked on a wide range of international tunnel projects
|
Magazine Article |
23 Nov 2011 9:57am |
 |
Hong Kong's new lines
Eric Chui looks at the construction of two key rail lines in Hong Kong, now a major tunnelling centre in Asia
|
Magazine Article |
23 Nov 2011 9:57am |
|
Evaluating loads for design
Hideto Mashimo, Toshiaki Ishimura & Satoshi Morimoto probe the influence of construction loads on shield tunnel segment design through field measurements
|
Headline Article |
23 Nov 2011 9:57am |
|
Twin NATM tunnels for Kashmir
Putzmeister Sika sprayers are applying shotcrete on drill-and-blasted tunnels
|
Magazine Article |
23 Nov 2011 9:57am |
|
Dominican double act
A Herrenknecht TBM has excavated a 12.4km intake tunnel though changing rock layers for a hydroelectric facility in the Dominican Republic, writes Elena Weidt
|
Magazine Article |
23 Nov 2011 9:57am |
|
Ensuring good form
Pouring a concrete secondary lining need not be complex, especially if the entire tunnel profile can be formed from a single pour
|
Magazine Article |
23 Nov 2011 9:57am |
|
An impressive return
UK-based Ian Morrison looks at some key criteria to be considered when choosing drilling muds
|
Magazine Article |
26 Oct 2011 11:27am |
|
Accounting for uncertainty
Software developed by Prof Herbert Einstein and colleagues at MIT and
EPF-Lausanne considers uncertainty in the tunnelling process. George Demetri explains
|
Magazine Article |
26 Oct 2011 11:27am |
|
Mud pumps power Mexico City metro
Larry Trojak describes how the use of powerful mud pumps is helping to maintain good TBM advance rates in the capital
|
Magazine Article |
26 Oct 2011 11:27am |
|
Baku borer begins metro excavation
Desiree Wills looks at the excavation of a new metro line that has been characterised by sticky clay
|
Magazine Article |
26 Oct 2011 11:27am |
|
Advancing the safety culture
With an extensive career focused on health and safety, Dr Donald Lamont outlines some of the lessons he has learnt plus those from other tunnelling projects
|
Interview Article |
26 Oct 2011 11:27am |
|
Copenhagen's new circle line
The Danish capital is adding a new line to its metro network. Rodney Craig investigates what this involves
|
Magazine Article |
26 Oct 2011 11:27am |
|
Shotcreting as a core business
Stuart Manning looks at the development of shotcrete in the UK, and some of the issues concerning training and development
|
Magazine Article |
26 Oct 2011 11:27am |
|
Swedish trials probe wagons' safety limits
Sweden’s SP Technical Research Institute recently undertook full-scale fire tests in a Metro-type environment, which formed the subject of a recent two-day conference
|
Magazine Article |
26 Oct 2011 11:27am |
|
Grouting practice in Norway
The Norwegian Tunnelling Society has developed and applied pre-excavation rock-mass grouting to deal with groundwater inflows in rock tunnelling
|
Magazine Article |
26 Oct 2011 11:27am |
|
Executive decisions
Olivier Vion has a packed schedule as executive director of the International Tunnelling Association. He spoke to George Demetri
|
Magazine Article |
06 Oct 2011 4:26pm |
|
Mega projects draw to a close
Dave Kristy and Melanie Kwee look at two sewer schemes in Melbourne, Australia’s second-largest city, which are designed to satisfy its rapid growth
|
Magazine Article |
06 Oct 2011 4:25pm |
|
Work begins on India's longest road tunnel
Critical aspects in the design of the Chenani-Nashri Tunnel are discussed by
L Facibeni, M Palomba, G Carrieri, G Russo and AH Güvenc
|
Magazine Article |
06 Oct 2011 4:25pm |
|
Looking in good shape
Hitachi Zosen makes TBMs for soft to hard ground, but its range includes special-shaped varieties such as rectangular and side-docking machines, writes Yasuharu Hanaoka
|
Magazine Article |
06 Oct 2011 4:25pm |
|
Conveying Bogotá’s waste water
Gilles Broll and Guillaume Roux look at two recent projects in Colombia
|
Magazine Article |
06 Oct 2011 4:25pm |
|
Rock future secured
Norway has been the home of much progress with rockbolts in recent years. Below are three companies that have contributed to this development
|
Magazine Article |
06 Oct 2011 4:25pm |
|
False claims, unjustified denials
Peter Tarkoy looks at the potential problems and legal wranglings caused by boulders
|
Magazine Article |
06 Oct 2011 4:25pm |
|
Breath of fresh air at Gotthard
Alwin Larcher and Andreas Kuhn report on the design and development of the world’s most powerful tunnel-ventilation system
|
Magazine Article |
06 Oct 2011 4:25pm |
|
A measured response
In a letter addressed to the editor, Nick Barton outlines the discrepancies and inaccuracies that he sees in the paper ‘Designs in Jointed Rock’, by Walter Wittke and René Sommer, published last month in World Tunnelling
|
Magazine Article |
18 Aug 2011 2:34pm |
|
Cautiously optimistic
Daniel Ruckstuhl, an engineer and vice-president of MEYCO Global Underground Construction (unit of BASF’s Construction Chemicals Division) spoke to George Demetri
|
Magazine Article |
18 Aug 2011 2:34pm |
|
Maximising resources
The construction of new feeder tunnels is revitalising a decommissioned power
station in Norway and maximising natural resources. George Demetri reports
|
Magazine Article |
18 Aug 2011 2:34pm |
|
Smooth, seamless, spotless
Mike Harper outlines the development of sprayed, waterproof membranes for use in excavated tunnels, highlighting a recent example in South America
|
Magazine Article |
18 Aug 2011 2:34pm |
|
Longer tunnel gains
Canada is seeing an increasing number of long tunnels being used to access ore deposits. Garry Stevenson reports on two examples from British Columbia
|
Magazine Article |
18 Aug 2011 2:34pm |
|
Team TBM going for gold
Desiree Willis reports on the double shield TBMs pushing through difficult ground to create rail tunnels in time for Sochi’s Winter Olympics
|
Magazine Article |
18 Aug 2011 2:34pm |
|
Working in high-pressure compressed air
Dr Donald Lamont, a civil engineer with decades of experience in health and safety, describes some of the issues associated with the use of HPCA
|
Magazine Article |
20 Jul 2011 11:57am |
|
Soundings on segments
Dr Robert Sturk outlines a breakthrough in using impact echo measurement for the non-destructive quality control of backfill material in segmentally lined tunnels
|
Magazine Article |
20 Jul 2011 11:57am |
|
Designs in jointed rock
Dr Walter Wittke and Dr René Sommer compare rock mechanical models and classification systems, and ask whether their application involves any risk
|
Magazine Article |
20 Jul 2011 11:57am |
|
Risk management on track
Dr Rupert Lieb & Heinz Ehrbar outline the risk management system used on the Gotthard Base Tunnel in which the geology assumes critical importance
|
Magazine Article |
20 Jul 2011 11:57am |
|
Greek tunnelling still going strong
Dr George Dounias, vice-president of the Greek Tunnelling Society, outlines the feverish tunnelling activity that has taken place in the country recently
|
Magazine Article |
20 Jul 2011 11:56am |
|
Antwerp banks on tunnels
Twin TBM-bored tunnels excavated under difficult geological conditions will facilitate the rail infrastructure of the Belgian port, reports George Demetri
|
Magazine Article |
20 Jul 2011 11:56am |
|
Let's go to San Francisco
RETC is one of North America's major tunnelling shows. Here is a selective list of exhibitors
|
Magazine Article |
31 May 2011 12:38pm |
|
Tunnels for renewable energy
Jan-Niklas Franzius and Norbert Pralle discuss the first application of geothermal energy systems to segmentally lined tunnels
|
Magazine Article |
31 May 2011 12:38pm |
|
Jumbos join cavern job
Fourteen Sandvik rigs are at work in India to help with the excavation of 25km of tunnels and oil-storage caverns
|
Magazine Article |
31 May 2011 12:38pm |
|
Putting the pressure on
Philip Walker discusses some of
the principles involved in designing
a tunnel ventilation strategy
|
Magazine Article |
31 May 2011 12:38pm |
|
Tunnel beats bridge for Germany-Denmark link
Rodney Craig looks at the reasons behind the choice of an immersed tunnel for the Fehmarn Belt crossing
|
Magazine Article |
31 May 2011 12:38pm |
|
City with tunnel pedigree
Michael Burton looks at the rich tunnelling history of the Canadian city of Edmonton
|
Magazine Article |
31 May 2011 12:38pm |
|
Avoiding crossed lines
Andy Mitchell and Ailie MacAdam are key leaders of the Crossrail delivery
team. They talk to George Demetri about their careers and current roles
|
Magazine Article |
31 May 2011 12:38pm |
|
Finland hosts ITA-AITES event
Preview of the World Tunnel Congress and General Assembly in Helsinki on May 20-26
|
Magazine Article |
04 May 2011 2:50pm |
|
Safety in the mist
Pasi Vuolle of Marioff outlines the principles of water-mist systems with some recent examples
|
Magazine Article |
04 May 2011 2:50pm |
|
Probing the effect of auto sprinklers
Ying Zhen Li and Haukur Ingason of Sweden’s SP Technical Research Institute discuss their latest
research project on the effects of ventilation on automatic sprinkler systems during a tunnel fire
|
Magazine Article |
04 May 2011 2:50pm |
|
Euro innovations
World Tunnelling presents some noteworthy technological developments in north European tunnelling
|
Magazine Article |
04 May 2011 2:50pm |
|
A universal tunneller
Parsons Brinckerhoff’s Dr Jim Monsees has had a distinguished career,
venturing into unusual areas for a tunneller.
|
Magazine Article |
04 May 2011 2:50pm |
|
Foam injects pace to tough Austrian job
Manfred Köpf and Roland Mayr discuss the use of foam injection to stabilise unstable rock mass around a TBM tunnel in Austria
|
Magazine Article |
04 May 2011 2:50pm |
|
Boom time
Wilhelm Kogelmann discusses roadheader
technology and looks at some recent projects
|
Magazine Article |
04 May 2011 2:50pm |
|
Excavating Mexico City
Proving to be one of the Americas’ tunnelling hotspots, Desiree Willis looks at two TBM projects in the city
|
Magazine Article |
25 Mar 2011 10:31am |
|
Corrective compensation in sand
A Bezuijen and JW Bosch investigate the influence of soil disturbance on long-term settlement behaviour, compared with undisturbed examples
|
Magazine Article |
25 Mar 2011 10:31am |
|
The nuts and bolts of the job
Barbara Stack looks at the various types of rock bolt and some of the development history
|
Magazine Article |
25 Mar 2011 10:30am |
|
Hallandsås sees the light
Rodney Craig outlines the Hallandsås project’s history, some of the problems along the way and its progress to date
|
Magazine Article |
25 Mar 2011 10:30am |
|
When a tunnel collapses
Kjetil Moen outlines the measures taken to stabilise the collapsed face of a
road tunnel in Norway
|
Magazine Article |
25 Mar 2011 10:30am |
|
Taking cover at Huauchinango
Jorge Colonia Albornoz and Sergio dos Anjos Lopes look at the construction
of twin road tunnels in Mexico that made extensive use of pipe umbrellas
|
Headline Article |
25 Mar 2011 10:30am |
|
Hauling deep underground
Bill Law of Volvo looks at the use of
articulated haulers in a new, twin-track railway tunnel that will run into Oslo, Norway
|
Magazine Article |
02 Mar 2011 9:47am |
|
Belt and brace conveying
Barbara Stack looks at the development of conveyors for spoil removal
|
Magazine Article |
02 Mar 2011 9:47am |
|
Belting along
Marco Sonnenschein, Ronny Lesniak and Martin Koch look at horizontal and vertical conveyors for inner city tunnel projects
|
Magazine Article |
02 Mar 2011 9:47am |
|
The future is Brightwater
Jack Burke reports on the Brightwater wastewater conveyance tunnel which, despite initial setbacks and technical issues, is now back on track
|
Magazine Article |
02 Mar 2011 9:47am |
|
Chengdu on track
Desiree Willis of The Robbins Company reports on the progress of the metro
in Chengdu, China, where a recent record TBM breakthrough occurred
|
Magazine Article |
02 Mar 2011 9:47am |
|
On-target guidance
Colin Bent of ZED Tunnel Guidance reports on how TBMs are tracked
|
Magazine Article |
02 Mar 2011 9:47am |
|
TBM bores NZ outfall tunnel
M Dowler, J Cooper, T Ireland and M Frenke report on a flexible TBM that successfully took on challenging ground conditions
|
Magazine Article |
02 Mar 2011 9:47am |
|
Cue Nick Barton
'Leaders' interview: Nick Barton is an internationally acclaimed tunnel engineer, known for devising the Q-system of rock classification
|
Magazine Article |
02 Mar 2011 9:47am |
|
Eastern promise
Professor In-Mo Lee, recently elected president of the International Tunnelling Association (ITA-AITES), talks to George Demetri about his hopes and aspirations
|
Magazine Article |
01 Feb 2011 11:27am |
|
Underlining fire protection
Albert Benhamou of IFS has some tips on optimal fire protection for tunnel linings
|
Magazine Article |
01 Feb 2011 11:27am |
|
Driving Chengdu's metros
Yang Hong Qiang, Zhao Bin and Bai Kun discuss the construction of Lines 1 and 2, identifying the tunnelling techniques and issues that are crucial to TBM selection
|
Magazine Article |
01 Feb 2011 11:27am |
|
Supporting role in Chinese caverns
Ming Lu looks at the support design for the caverns on the Qinling
Zhongnanshan tunnel, the world’s longest twin-tube road tunnel
|
Magazine Article |
01 Feb 2011 11:27am |
|
Fibres for safety
Benoit de Rivaz reports on the use of steel fibre-reinforced shotcrete to facilitate site safety in France
|
Magazine Article |
01 Feb 2011 11:27am |
|
Final breakthrough for Shiraz metro
Hamed Jamshidi and Hamed Moammeri detail the construction methods
used on the Shiraz metro
|
Magazine Article |
01 Feb 2011 11:27am |
|
One more tunnel for Helsinki
George Demetri visited new construction projects that will boost the city’s rail services and could mark the start of a Finnish tunnelling boom
|
Magazine Article |
01 Feb 2011 11:26am |
|
Reaching new heights
A hydro-electric project carving out a new powerhouse inside a Swiss mountain features a maze of drill and blasted tunnels
|
Magazine Article |
01 Feb 2011 11:26am |
|
A dyed-in-the-wool tunneller
World Tunnelling contributor Jack Burke is a well-known figure in US tunnelling. Here he shares details of an eventful career
|
Magazine Article |
06 Dec 2010 5:05pm |
|
Connecting one-pass precast segmental linings
Christophe Delus, Bruno Jeanroy and David R. Klug give a short history of precast linings, the associated connectors used and review lining practices generally
|
Magazine Article |
06 Dec 2010 5:05pm |
|
A dream come true
Jack Burke reports on the progress of the East Side Access project in New York, which is finally nearing a successful conclusion
|
Magazine Article |
06 Dec 2010 5:05pm |
|
Malaysian water overhaul
A trio of Robbins TBMs will help bore one of Malaysia’s most crucial infrastructure projects through hard rock and high overburden. Desiree Willis reports
|
Magazine Article |
06 Dec 2010 5:05pm |
|
Taking abrasive action
Hamed Moammeri and Sadegh Tarigh Azali look at the abrasive effects on TBMs used to bore current or recently completed projects in Iran
|
Magazine Article |
06 Dec 2010 5:05pm |
|
Flameproof research
Fires during construction can have serious results and demand adequate information for their prevention.
A Swedish research project aims to fill the gaps in our knowledge, reports Haukur Ingason
|
Magazine Article |
06 Dec 2010 5:05pm |
|
A steady advance
Barbara Stack looks at some of the developments that have helped to make
drills more efficient
|
Magazine Article |
06 Dec 2010 5:04pm |
|
Shotcreting up on high
Groundwater and deformation are just two of the problems on this twin-bore tunnel in mountainous west China
|
Magazine Article |
08 Nov 2010 3:17pm |
|
State-of-the-art concrete
Edwin Brady outlines some historic developments that have occurred in shotcrete application, with reference to two recent projects
|
Magazine Article |
08 Nov 2010 3:17pm |
|
Sandvik MT520 heads for the road
Spain was the setting for the launch of Sandvik’s latest roadheader, which is
being put to good use on Line 3 of the Bilbao metro.
|
Magazine Article |
08 Nov 2010 3:17pm |
|
Setting an example
F Nilsen and RG Haug suggest the performance, safety and quality of
Norwegian tunnelling could prove a good model for other countries to follow
|
Magazine Article |
08 Nov 2010 3:17pm |
|
Industry Leaders' Round Table
Some of the top players in the drill and blast sector took part in World Tunnelling's recent Drill and Blast Tele-conference. Read the edited transcript
|
Magazine Article |
08 Nov 2010 3:17pm |
|
Go forth young man
Mark Johnson, vice-president of Halcrow (North America), has scaled the heights of the tunnel consultancy world at a relatively young age. Here he describes his experiences and the lessons he has learnt
|
Magazine Article |
08 Nov 2010 3:16pm |
|
Designs on sustainability
Derek Penrice and Bradford Townsend advocate greater use of cement replacement material, grey water and recycled aggregates in part two of this article on economic tunnel design
|
Magazine Article |
05 Oct 2010 3:00pm |
|
Norwegian lessons travel to China
With excavation now complete, east China’s Qingdao tunnel is well on the way to its official opening, having drawn heavily on Norwegian experience of subsea tunnels. By SM Zhou and M Lu
|
Magazine Article |
05 Oct 2010 3:00pm |
|
Clem7 excavation and support
M Funkhouser, J Stabler, L McQueen and N Boultbee discuss the geotechnical
aspects of conventional tunnelling on Brisbane’s recently completed road tunnel
|
Magazine Article |
05 Oct 2010 3:00pm |
|
Indian tunnel a safe option
Leighton India’s first tunnel in India is a challenging project in the Himalayas, comprising two 9km-long
tunnels, excavated using drill and blast across multiple workfaces. By Douglas McPherson
|
Magazine Article |
05 Oct 2010 2:59pm |
|
Mixed bag for Robbins in India
A Robbins hybrid TBM will be used to excavate mixed ground in the arid
central region of India for a new hydration scheme.Desiree Willis reports
|
Magazine Article |
05 Oct 2010 2:59pm |
|
Academic and practical
A leading light in Norwegian tunnelling,
Emeritus Professor Einar Broch has advised and lectured extensively around the world
|
Magazine Article |
05 Oct 2010 2:59pm |
|
Designing sustainable and economic tunnels
Reduce cement consumption and increase the use of recycled materials, say Derek Penrice and Bradford Townsend of Hatch Mott MacDonald, in this article on tunnel sustainability
|
Magazine Article |
25 Aug 2010 4:13pm |
|
Membranes act structurally
The use of new generation sprayed membranes in sprayed concrete linings can have surprising structural benefits, argues Mike Harper
|
Magazine Article |
25 Aug 2010 4:13pm |
|
Quick job in Quebec
Clair H Murdock and Ron W Glowe discuss the excavation of the Rupert
Transfer Tunnel at James Bay, Québec, Canada, finished well ahead of schedule
using top heading and bench excavation
|
Magazine Article |
25 Aug 2010 4:13pm |
|
Tunnelling through Flysch: some practical experience
V Vesely and O Jandejsek of Arcadis Geotechnika outline their experience of the geotechnical risks encountered in the project phases of survey, data
evaluation, design and construction
|
Magazine Article |
25 Aug 2010 4:13pm |
|
Playing a defining role
Rick Staples, president of the Tunnelling Association of Canada, has played a defining part in organising the successful World Tunnel Congress in Vancouver last May. Here he reveals more about his career and other topical tunnel themes.
|
Magazine Article |
25 Aug 2010 4:13pm |
|
Gotthard closing, Ceneri advancing
The Gotthard and Ceneri Base tunnels in Switzerland will create a 'flat' route through the Alps. Dr Renzo Simoni, CEO of Alp Transit Gotthard, reports
|
Magazine Article |
05 Aug 2010 5:26pm |
|
Safer subterranean Singapore
LJ Pakianathan (Mott MacDonald Singapore), S McChesney (Land Transport
Authority) and M Mannot-Russell (CH2M) report on recent safety legislation in Singapore
|
Magazine Article |
05 Aug 2010 5:26pm |
|
Workloads looking mostly healthy
George Demetri asks tunnel consultancies about workload, the economic downturn, recruitment and growth
|
Magazine Article |
05 Aug 2010 5:26pm |
|
Fibre-rich tunnel
Benoit de Rivaz reports on the steel-fibre technology used in a high-stress access tunnel on a major rail line
|
Magazine Article |
05 Aug 2010 5:26pm |
|
The rail revival
The resurgence of the long-tunnel market is bringing new life to the rail-mounted equipment sector. John Hooper of GIA explains
|
Magazine Article |
05 Aug 2010 5:26pm |
|
Better, not bigger, is better
Randall J Essex is executive vice-president and director of tunnelling at Hatch Mott MacDonald in Maryland, US. He talked to George Demetri about his career, recruitment and the thorny issue of risk
|
Interview Article |
05 Aug 2010 5:25pm |
|
Plenty of work, plenty to come?
Vancouver provided the dramatic venue for the 2010 World Tunnel Congress. George Demetri reports on some of the developments
|
Magazine Article |
05 Aug 2010 5:25pm |
|
Learning from Hindhead
Tony Rock and Simon Stephenson of UK-based Mott MacDonald share some
experiences gained during the construction of the Hindhead Tunnel in Surrey, UK
|
Magazine Article |
03 Jun 2010 3:16pm |
|
In perfect alignment
San Francisco-based Dr Glenn Boyce of Jacobs Associates outlines some
of the considerations required to achieve successful segment design
|
Magazine Article |
03 Jun 2010 3:16pm |
|
Subway to the future
Jack Burke and Jim Rostek of S3II Tunnel Constructors report on the extension to New York’s 7 Subway Line
|
Magazine Article |
03 Jun 2010 3:16pm |
|
A career rich in variety
Toronto-based Boro Lukajic has contributed extensively to both Canadian and international tunnelling. He was president of the Tunnelling Association of Canada from 1993-98
|
Magazine Article |
03 Jun 2010 3:16pm |
|
All booked up
The North American Tunnelling 2010 (NAT) conference and exhibition
arrives in Portland, US, on June 20-23. WT looks at some of the exhibitors
|
Magazine Article |
03 Jun 2010 3:16pm |
|
EPBs cover more ground
Desiree Willis and Shinichi Konda of The Robbins Company detail the latest improvements in EPB TBM design, highlighting recent examples of their use
|
Magazine Article |
29 Apr 2010 10:57am |
|
Tunnel boom in Toronto
Brian Garrod gives a rundown of the diverse range of tunnels currently planned or under construction in Greater Toronto.
|
Magazine Article |
29 Apr 2010 10:57am |
|
Herrenknecht's hard bore
The recently opened Clem Jones tunnel is Brisbane’s first major road tunnel and links a complex system of motorways north and south of the city. It has been bored through hard rock. Herrenknecht’s Dr Karin Bäppler reports
|
Magazine Article |
29 Apr 2010 10:57am |
|
WTC on track again
The annual World Tunnel Congress (WTC) opens its doors this year in Vancouver, Canada, on May 14-20. Here follows a selection of the companies exhibiting
|
Magazine Article |
29 Apr 2010 10:57am |
|
Roadheaders looking up
Roadheaders are experiencing a renaissance. Wilhelm J Kogelmann, of US-based roadheader manufacturer Alpine Equipment, rounds-up the latest developments
|
Magazine Article |
29 Apr 2010 10:57am |
|
Ontario sewer tackles rocky ground
Murray Malott and Chris Banks of Canada-based McNally Construction describe the construction of a sewer tunnel involving numerous shafts and boulder-laden ground
|
Magazine Article |
29 Apr 2010 10:57am |
|
Weathering the storm
Odd-Björn Kleven was recently appointed director of tunnelling and special projects at underground construction equipment manufacturer Normet International. He talks to George Demetri about developments at the firm and in technology.
|
Magazine Article |
29 Apr 2010 10:57am |
|
More to the point
In a letter to World Tunnelling, US-based specialist underground construction writer Barbara Stack raises some interesting points related to the recent WT roundtable.
|
Magazine Article |
25 Mar 2010 2:47pm |
|
Latin crossings
South America is seeing a tunnelling boom, including metro, road, stormwater,
hydro and mining tunnels, writes Dean Brox
|
Magazine Article |
25 Mar 2010 2:47pm |
|
Doing the tunnel walk
With a long, wide-ranging career, New York-based engineer and practice leader
David Caiden now has numerous major US tunnel projects on his hands
|
Magazine Article |
25 Mar 2010 2:47pm |
|
A new station for Sao Paulo
Marco Aurélio A. Peixoto da Silva, Hugo Cássio Rocha and Francisco Ribeiro Neto
on the design and construction of the Alto do Ipiranga station in Sao Paulo, Brazil
|
Magazine Article |
25 Mar 2010 2:47pm |
|
Cooling the tube
Installing fans in old, deep ventilation shafts on London’s Underground is tricky
when access is restricted, says Philip Walker of UK firm Fläkt Woods
|
Magazine Article |
25 Mar 2010 2:47pm |
|
Bogong hydro scheme goes online
Paul Thomas and Jimmy Molea of McConnell
Dowell highlight the tunnelling components of Australia’s largest hydropower project for 25 years
|
Magazine Article |
25 Mar 2010 2:47pm |
|
Mexican TBMs roll off global assembly line
TBM manufacturing is becoming a truly global affair. George Demetri reports on a project in Texas which brings together a world-wide manufacturing and shipping effort
|
Magazine Article |
18 Feb 2010 3:56pm |
|
Your ITA needs you
The recent WT Roundtable raised serious questions about the function of the International Tunnelling Association (ITA). Here is an edited transcript of the debate
|
Magazine Article |
18 Feb 2010 3:56pm |
|
Where are we with slurries?
Barry L Sorteberg, president of Clean Slurry Technologies, looks at the current state of play in slurry technologies
|
Magazine Article |
18 Feb 2010 3:56pm |
|
From the ground down
Innovative and patented ground-consolidation technologies were used
for a series of structural and waterproofing measures on this tunnel
project in Austria
|
Magazine Article |
18 Feb 2010 3:56pm |
|
The big fair with the best ware
With Bauma just around the corner on April 19-25 at the New Munich Trade
Fair Centre in Munich, Germany, we take a look at selected exhibitors
from the tunnelling sector
|
Magazine Article |
18 Feb 2010 3:56pm |
|
Free as a bird
A geologist and civil engineer by training, Boston area-based
geoconsultant Dr Peter J Tarkoy is a controversial and self-styled visionary in the tunnelling industry. He talks to George Demetri
|
Magazine Article |
18 Feb 2010 3:56pm |
|
Water caverns a first for Hong Kong
Providing underground
salt-water caverns for the
University of Hong Kong
proved an environmental
and engineering challenge.
TH Chan, Derek Arnold,
Edwin KF Chung and
Chris CW Chan report
|
Magazine Article |
08 Feb 2010 4:27pm |
|
Master of all he surveys
For more than a decade, Manfred Messing has headed-up tunnel guidance and surveying instrumentation company VMT. He talks to George Demetri
|
Interview Article |
08 Feb 2010 4:27pm |
|
Poor rock is tough luck at Dakmi 4
Drill and blast tunnelling on Vietnam’s Dakmi 4 hydropower station is well under way, despite the difficult rock conditions being experienced
|
Magazine Article |
08 Feb 2010 4:27pm |
|
Safeguarding workers in the line of fire
Haukur Ingason and Anders Lönnermark (SP Technical Research Institute of Sweden), Håkan Frantzich (Lund University) and Mia Kumm (Mälardalen
University) look at fire considerations during tunnel
construction and some current research
|
Magazine Article |
08 Feb 2010 4:27pm |
|
Talking jumbos
Carly Lovejoy spoke to Pekka Nieminen of Sandvik Mining and Construction, Mathias Edhammer of
Atlas Copco, and Witold Hnat of MineMaster
|
Magazine Article |
08 Feb 2010 4:27pm |
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World Tunnelling Industry Leaders' Round Table
Welcome to the second World Tunnelling roundtable. We invited some of the top minds in international tunnelling from engineering consultancy, contractors and equipment manufacturers to meet last year in Hamburg on November 30
– the eve of STUVA – to discuss some of the most talked about issues in tunnelling. It turned out to be a memorable discussion.
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Magazine Article |
08 Feb 2010 4:26pm |
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Iranian TBMs continue steady march
Hamed Moammeri (Amberg, Iran) and Reza
Ghaffarzadeh (Panah Saz Alvand Engineering) outline some recently completed TBM projects in Iran
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Magazine Article |
23 Dec 2009 1:49pm |
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A man for all seasons
San Francisco-based Dr Glenn Boyce, senior associate at Jacobs Associates, is one of few engineers to specialise in tunnelling and trenchlesss. By George Demetri
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Magazine Article |
23 Dec 2009 1:49pm |
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Keeping Kentucky clean
Jack Burke looks at a sewage tunnel project in Kentucky, US, designed to improve local water quality and increase storage capacity
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Magazine Article |
23 Dec 2009 1:49pm |
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Between a rock and a hard place
The Halcrow-designed Shis-Diftah road tunnel, currently on site in Sharjah and being drilled and blasted through the UAE’s highest mountain range, faces an array of challenges. George Demetri reports
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Magazine Article |
23 Dec 2009 1:49pm |
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Making a difference
Born in the Netherlands, Hans Greve is executive vice-president of mining & construction at TBM-maker Aker Wirth. He spoke to George Demetri about his achievements and aspirations
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Interview Article |
25 Nov 2009 5:31pm |
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Spray-applied membranes
Dr Wolfgang Aldrian of BASF Construction Chemicals and Robert Giefing of IAT, Vienna, discuss some recent spray-applied waterproof membrane projects
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Magazine Article |
25 Nov 2009 5:31pm |
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Carry on tunnelling
Scandinavia is one of the world’s busiest tunnelling regions. George Demetri takes a look at some of the work in progress
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Magazine Article |
25 Nov 2009 5:31pm |
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Countdown to immersion
Mikko Inkala (Pöyry Infra Oy) and Ilkka Vähäaho (City of Helsinki – Geotechnics) discuss the preparatory design work for the construction of an immersed-tube tunnel near the heart of the Finnish capital
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Magazine Article |
25 Nov 2009 5:31pm |
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Stalling the spalling tendency
Dr Ken Smith and Trevor W Atkinson of Propex Concrete Systems, supplier of fibres for secondary concrete reinforcement, on explosive spalling mechanisms
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Magazine Article |
25 Nov 2009 5:31pm |
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Fire-protecting the Bjørvika
Allan Beeston, market manager for Thermal Ceramics, discusses an interesting fire-protective layer that is being used on Norway’s Bjørvika tunnel
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Magazine Article |
25 Nov 2009 5:31pm |
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NATM flies to Delhi airport
Johann Brandl of Salzburg-based Geoconsult ZT in Austria checks the progress of NATM tunnelling works to Delhi Airport – only the second time it has been used in India
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Magazine Article |
25 Nov 2009 5:31pm |
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Breakthrough at tunnel school
World Tunnelling editor George Demetri blazed a trail to the foothills of the Rocky Mountains in Colorado, US, where he was fortunate to be allowed on to a comprehensive tunnelling short course. Here he reports on the proceedings.
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Magazine Article |
14 Oct 2009 2:21pm |
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Tyne and Tyne again
A new tunnel utilising immersed tube and cut and cover technology is being constructed in North East England to augment the existing road tunnel beneath the River Tyne. George Demetri visited the site to assess progress.
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Magazine Article |
14 Oct 2009 2:21pm |
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Seven TBMs in 15 months
Geoff Archer, business development manager of Melbourne-based John Holland Tunnelling, reports on current and recently completed water and sewer projects in Melbourne and Sydney
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Magazine Article |
14 Oct 2009 2:21pm |
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Rotary drum cutters eat into the Alps
Rotary drum cutters can offer numerous benefits to tunnel excavation and consequently, have become more popular in recent years. Norman Haltof of Erkat describes their capabilities and use on some recent Alpine projects.
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Magazine Article |
14 Oct 2009 2:21pm |
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A global perspective
New York-based Dr George Munfakh, senior vice president at Parsons Brinckerhoff, began his professional life as a geotechnical engineer in infrastructure consultancy. He discusses his career and the tunnelling scene generally.
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Magazine Article |
14 Oct 2009 2:21pm |
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Detecting hidden tunnels
Boston Area-based geotechnical and tunnelling consultant, Peter J. Tarkoy looks at current methodologies used to detect covert tunnels.
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Magazine Article |
14 Oct 2009 2:21pm |
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Testing times
This paper is based on a presentation entitled Drilling Fluids and Recycling Systems given by Baroid’s Tom Tibor at UCT, January 2009. This presentation was aimed primarily at HDD applications, but has relevance to large bore tunnelling, as well.
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Feature Article |
14 Oct 2009 2:21pm |
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Tunnellling for Gold
Constructing a dewatering tunnel at one of the world’s largest copper and gold mines saw Papua New Guinea’s first use of a TBM under inhospitable and difficult transport conditions. Desiree Willis of The Robbins Company reports.
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Magazine Article |
14 Oct 2009 2:21pm |
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Rock-solid proposition for high-stress environments
Erich Neugebauer outlines the principles behind Atlas Copco’s Roofex – a flexible, supporting and yielding rockbolt aimed at high stress conditions
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Magazine Article |
14 Oct 2009 2:21pm |
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Making tracks
Rail mounts can provide a quick and efficient way of transporting loads during tunnelling projects. Carly Lovejoy looks at the equipment on offer
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Magazine Article |
18 Sep 2009 12:37pm |
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Rapid drill and blast with fast muck
Stig Eriksson, of Skanska Infrastructure Development, describes a high-speed drill and blast project in Switzerland and details the innovative mucking system used
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Magazine Article |
18 Sep 2009 12:37pm |
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A steady progress
Mining engineer Lok Home has progressed from mine development project manager, through field service, international sales and finally to president and owner of TBM-maker The Robbins Company. He spoke to George Demetri about his career, the outlook for tunnelling and TBM developments in general
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Magazine Article |
18 Sep 2009 12:37pm |
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All in a year's work
Jack Burke visited the South Cobb Tunnel Project and was impressed by the site’s productivity and safety record
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Magazine Article |
18 Sep 2009 12:37pm |
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Full speed below
Tunnelling work on Singapore’s Downtown Line is proceeding at a rapid pace, Alastair Sim of Soletanche Bachy looks at the cut and sections
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Magazine Article |
18 Sep 2009 12:37pm |
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Bibra forms key high-speed rail link
Drill and blast from both ends is driving Germany’s horseshoe-shaped, twin-tube Bibra tunnel as part of German and European high speed rail networks. Former World Tunnelling editor Lawrence Williams reports.
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Magazine Article |
10 Aug 2009 5:00pm |
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Health and safety underground
Martin Vogel of Suva digests the lessons learnt from the Alp Transit projects in Switzerland and proposes a pragmatic safety management system designed to ensure increased health and safety on tunnel projects.
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Magazine Article |
10 Aug 2009 4:59pm |
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A ringside view
Steve Skelhorn and Laura McNally of Canadian contractor McNally Construction look at the evolution and design of segmental lining systems in a technical paper first presented at RETC in June.
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Magazine Article |
10 Aug 2009 4:59pm |
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Uetliberg premieres new boring extender
S Maurhofer, overall project manager and director of the tunnelling division at Swiss-based Amberg Engineering, describes the excavation of the recently opened Uetliberg tunnel in Switzerland, which included the use of a tunnel boring extender.
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Magazine Article |
10 Aug 2009 4:59pm |
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RETC hits a high in Vegas
World Tunnelling editor George Demetri ‘tunnelled’ down to Las Vegas, US, to attend RETC – one of the tunnelling industry’s most important events. Here he reports on what went down.
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Magazine Article |
10 Aug 2009 4:59pm |
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Invest in the future
Martin Knights has been president of the International Tunnelling Association (ITA/AITES) since 2007. A civil engineer by training, he has 37 years’ post graduate experience in international civil infrastructure, predominantly gained in tunnelling and underground space projects. UK-based, he sits on the board of directors of infrastructure specialist Jacobs Ltd.
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Interview Article |
10 Aug 2009 4:59pm |
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Staffing in difficult times
A tunnel engineer for over 40 years, Barrie Willis has worked mainly on major international projects, including the UK’s twin Mersey tunnels, before taking up his post managing the tunnel department at Netherlands-based personnel supplier IPS Group.
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Magazine Article |
10 Aug 2009 4:59pm |
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RETC to rendezvous in Vegas
Held bi-annually in North America, the Rapid Excavation and Tunnelling Conference (RETC) will be held in Las Vegas this month, covering every aspect of tunnel design and construction. George Demetri takes a selective look at what will be on offer.
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Magazine Article |
04 Jun 2009 4:30pm |
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Hindhead A3 tunnels update
Early contractor involvement and leading edge design and construction thinking have delivered flexibility and programme wins, says Tony Rock of consulting engineer Mott MacDonald.
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Magazine Article |
04 Jun 2009 4:30pm |
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A high-altitude smoke challenge
In this abridged paper, Richard Lau and Nai Chin, both of Hyder Consulting Pty, Sydney, discuss the challenges and strategies for smoke control design in long road tunnels at high altitude.
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Magazine Article |
04 Jun 2009 4:30pm |
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Roadheaders lead Olympic line-up
Sochi is building a spate of tunnels as part of new infrastructure that will have to be in place before the flame is lit for the 2014 Winter Olympics. Roadheaders are playing a significant role in this process.
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Magazine Article |
04 Jun 2009 4:30pm |
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Optimal plant design
Ben Clark of Derrick Equipment Company (Civil & Underground Construction) looks at some of the factors to be considered when designing slurry separation plants.
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Magazine Article |
04 Jun 2009 4:30pm |
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Victory in sight
Jack Burke reports from Colorado, US, on the Arrowhead East and West tunnels, a part of the Inland Feeder conveyance system which will have a 28.3m3/sec water capacity when completed in 2010.
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Magazine Article |
04 Jun 2009 4:30pm |
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Multi-modal magic
David Bernardi, David Crouthamel and Erin S. Hohenshelt discuss a unique tunnel rehabilitation scheme, combining both railway line and pedestrian pathway, which has been hailed as a paradigm of partnering and risk sharing
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Magazine Article |
04 Jun 2009 4:30pm |
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Leading on risk
Professor Arnold Dix of Queensland University of Technology and an independent consultant, is a technical/legal expert advisor and world authority on managing the risks associated with tunnels and underground infrastructures. He also specialises in operational safety, as well as in contractual, political and insurance issues for complex tunnel projects.
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Magazine Article |
04 Jun 2009 4:30pm |
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Sealing the Dobrovskeho tunnels
Minova's Bohemia Geotech Division and Minova International Tunnelling Division outline the grouting used to stabilise the Dobrovskeho tunnels in the Czech Republic
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Magazine Article |
04 Jun 2009 4:30pm |
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Instant tunnel gallery
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis elit. Suspendisse potenti. Proin rhoncus tellus auctor velit.
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Magazine Article |
30 Apr 2009 3:13pm |
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Classy tunnel offering
Mining engineer Pekka Nieminen is global product line manager of tunnelling and underground civil engineering at Sandvik, Finland. He joined Tampella Tamrock, now Sandvik, in 1987 and has been with the company ever since. With ten years’ tunnelling experience, Pekka has headed Sandvik’s tunnel division since 2006
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Interview Article |
30 Apr 2009 2:06pm |
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Paving the way for a talc mine
MAIN contractor Skanska BS is using drill and blast to excavate a 4.2km access tunnel for the development of a talc mine in Slovakia.
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Magazine Article |
30 Apr 2009 2:06pm |
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Rehabilitating the Chekka Road Tunnel
A completely new, steel-reinforced, cast-in-place concrete lining with PVC sheet membrane was what was originally intended to waterproof the Chekka Road Tunnels in Lebanon.
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Magazine Article |
30 Apr 2009 2:06pm |
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Back in business
With the Channel Tunnel now fully re-opened, Carly Lovejoy reviews the damage and subsequent repair work that followed the fire in September 2008
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Magazine Article |
30 Apr 2009 2:06pm |
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Testing times for bentonite
Ian Morrison takes an altogether more critical view on the use of bentonite as a TBM slurry
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Magazine Article |
30 Apr 2009 2:06pm |
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The art of drill plan design
DRILL plan design and drilling equipment accuracy play a significant role in the overall control and productiveness of a tunnelling construction site.
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Magazine Article |
30 Apr 2009 2:06pm |
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Designs for Mixshields
In this abridged paper, Dr Martin Herrenknecht and Dr Karin Bappler review the progress of mechanised tunnelling technology, focusing on current design approaches to soft-ground TBMs.
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Feature Article |
20 Apr 2009 4:14pm |
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Herrenknecht
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Feature Article |
20 Apr 2009 4:14pm |
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Preparing for Attack
In this second article for WT, Dr George Munfakh of infrastructure specialist Parsons Brinckerhoff, reviews the potential threats to tunnels and outlines the measures that could be included at the design stage to mitigate their impact.
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Feature Article |
20 Apr 2009 4:14pm |
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The Final Link
The Upper Northwest Interceptor System is an ambitious sewer program in California, divided into nine sections for efficient build and management. Jack Burke outlines the work on Sections 1 and 2.
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Feature Article |
20 Apr 2009 4:14pm |
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Dizzy heights for drill and blast
Motivated, skilled and experienced crews plus the application of new mucking equipment suited to small tunnel cross-sections is credited with achieving a record drill-and-blast performance in Norway. Shani Wallis reports.
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Feature Article |
20 Apr 2009 4:14pm |
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Successful in the extreme
The difficulties of tunnelling are exacerbated by extreme environmental conditions, such as those in the mountains of northwest India where work is ongoing on the Chutak hydro-electric project.
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Feature Article |
20 Apr 2009 4:14pm |
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On track with Hong Kong rail extensions
With billions of dollars worth of contracts up for grabs in Hong Kong, tunnelling contractors will be interested in the latest updates. By Russell Black of MTR Corp.
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Feature Article |
20 Apr 2009 4:14pm |
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Robbins trio dig deep in Mexico
Mexico City’s wastewater problem will be eased by a TBM-bored tunnel through unique geology, reports Desiree Willis of The Robbins Company.
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Magazine Article |
20 Apr 2009 4:14pm |
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In Charge and Upbeat
Marek Grocholewski trained as a civil engineer in his native Poland and now heads Minova’s tunnelling division. Based in Germany, he has experience of both the tunnelling and mining sectors. Here, he speaks to George Demetri about his current role and some of the issues facing the industry.
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Interview Article |
20 Apr 2009 4:14pm |
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Intermat to buck recession woes
Held every three years, Intermat is one of the world’s three-biggest tradeshows dedicated to equipment, machinery and techniques for the construction and building materials industries. It will be held on April 20-25 at the Nord Villepinte Exhibition Centre in Paris, France.
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Feature Article |
09 Apr 2009 2:38pm |
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Madrid metro branches out
The first line of the Madrid Metro was the central section of Line 1, which opened in 1919, since when many extensions and new lines have been built, but over the last few years it has been extended considerably.
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Feature Article |
09 Apr 2009 2:38pm |
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Cutting-edge conveyors
Conveyors are an essential part of any tunnelling project. Advances in TBM technology would be worthless without a conveyor system capable of providing sufficient back-up for the cutting machine and allowing progression as muck is removed. As TBM manufacturers move towards producing faster, more energy-efficient machines capable of providing higher quantities of muck in shorter periods of time, so must the conveying industry.
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Feature Article |
09 Apr 2009 2:38pm |
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Common Ground
A civil engineer by training, 45-year-old Patrik Nolaker was born in Vanersborg, Sweden. Having worked with industrial manufacturer ABB for many years, he joined Atlas Copco eight years ago as president of the ground engineering and exploration division. Two years ago he moved to the underground rock-excavation division, of which he is now president.
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Interview Article |
09 Apr 2009 2:36pm |
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Freezing the football
Jack Burke reports on the ongoing Harbor Siphons project which, as part of Milwaukee’s sewerage plans, will reduce the possibility of sewer overflows and help maintain a cleaner Lake Michigan
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Magazine Article |
12 Feb 2009 11:56am |
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Exceptional Case Study - Heathrow 1994
The client for these works was the British Airports Authority (BAA), and the aim was to provide a dedicated rail link between the Airport and Paddington rail station in central London.
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Magazine Article |
12 Feb 2009 11:56am |
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Polishing processes with a new armoury
Karl-Heinz Wennmohs and Gunnar Nord of Atlas Copco Rock Drill AB Sweden outline the latest developments in the drill and blast technique
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Magazine Article |
12 Feb 2009 11:56am |
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In the dry dock
Sykes Pumps’ Darren Watson outlines the challenges of evacuating water from the prefabricating dry dock at the UK’s Tyne tunnel project
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Magazine Article |
12 Feb 2009 11:56am |
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Busan-Geoje immersed tube well under way
South Korea's first-ever immersed tube tunnel is an ambitious project that is taking the technique to new levels. Adrian Greeman reports.
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Magazine Article |
12 Feb 2009 11:56am |
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Tabulating safety
Independent consulting civil engineers Guy Lance and John Anderson have been compiling a database of “significant” tunnel construction incidents.
This abridged paper looks at the development of such a database and what can be deduced from it
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Magazine Article |
12 Feb 2009 11:56am |
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Pumping bedrock for more trains
Kent Bostrom, of Grindex AB, reports on the pumping systems in place to help dewater Sweden’s Ådalsbanan rail project
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Magazine Article |
12 Feb 2009 11:56am |
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Extending London’s DLR
The extension to London’s Docklands Light Railway comprises twin-tube TBM tunnels bored under the Thames. George Demetri checked out the progress
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Feature Article |
20 Jan 2009 3:55pm |
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Metro drives reinforce mass transit for Caracas
Thierry Borca reports on two important mass transit systems in and around Venezuela’s capital, Caracas
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Magazine Article |
20 Jan 2009 3:47pm |
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New era dawns as NY’s giant transit work starts
The ARC mass transit tunnel project will double the carrying capacity of rail links between New York city and New Jersey when complete in 2017. Director of public affairs Paul Wyckoff reports
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Feature Article |
20 Jan 2009 3:47pm |
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A link in the chain
George Demetri visited a challenging project in Stockholm comprising a complex array of tunnels that will eventually form part of a much-needed ring road around the city
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Feature Article |
20 Jan 2009 3:47pm |
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Assessing the risk
The Channel Tunnel fire that occurred on 11 September is the latest in a number of incidents that have put the spotlight on fire safety. Thankfully, in this case, there were no fatalities.
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Feature Article |
26 Nov 2008 12:36pm |
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A cost-effective solution
Einar Broch, Norwegian University of Science and Technology, and Eivind Grøv of SINTEF, Norway, discuss sectional tunnel construction in Norway and make a few cost comparisons with Swiss tunnels
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Feature Article |
26 Nov 2008 12:36pm |
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Fixing a TARIF for security
How do we make tunnels safer in the face of heightened terrorist threats? Dr George A. Munfakh, senior vice-president at Parsons Brinckerhoff’s geotechnical & tunnelling division, outlines recent work on the issue
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Feature Article |
26 Nov 2008 12:36pm |
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Another fine mesh
Tunnelling conjures up numerous foreseen and unforeseen difficulties on site, such as inducing settlement to buildings in the vicinity of the tunnel. But, when these are protected heritage buildings, any movement has to be strictly minimised to avoid damage and problems with the municipality.
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Feature Article |
26 Nov 2008 12:36pm |
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Hydrodemolishing the Söderled tunnel
High-pressure water jets are being used to remove damaged concrete to restore the Central Bridge and Söderled Tunnel in Stockholm
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Feature Article |
26 Nov 2008 12:36pm |
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Passing under Pasila
Multi-utility tunnels can house a host of different services, making digging up the roads a thing of the past. George Demetri visited such a tunnel being driven by drill and blast under the Finnish capital
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Feature Article |
26 Nov 2008 12:36pm |
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Fire-suppressing the Silver Forest
Towards the end of 2006, Fogtec, the German-based manufacturer of water-mist fire-suppression systems, was awarded the contract to protect the complete Silver Pine Tree Forest tunnel in the heart of Moscow, Russia. The tunnel design comprises two parallel tubes, each measuring 2.1km long with a diameter of 14.2m and double-deck construction: vehicles will travel along the top deck while the metro will use the lower one.
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Feature Article |
26 Nov 2008 12:36pm |
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Geologists- Senior and Junior Positions
Mining and Metals Opportunities - Hatch
Minerals Geoscientist Vacancy - Neftex
Opportunities for Senior & Principal Level Consultants - SRK
Senior Hydrogeologist - Schlumberger
The parent company of Mining Journal, Aspermont Ltd, recently announced a 19% increase in revenue from its media business to A$24.98 million (US$25.8 million) for the year to end-June.
