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Current Refinements
  Content Type Features
  Date 2017
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Farnworth tunnel refurbishment project
26 December, 2017
Eoin Murphy from OTB Engineering discusses the modernisation of Victorian tunnels. This paper was a runner-up for the 2016 Harding Prize

Cavern configuration
26 December, 2017
The largest tunnelled excavation in Los Angeles, part of the Regional Connector Transit Corridor, will be constructed at relatively shallow depth below existing infrastructure including significant utilities and historic buildings in a seismically active area. Carlos Herranz, Zsolt Horvath, Justin Liandes and Derek Penrice of Mott MacDonald describe the approaches taken to mitigate this design and construction risk

Modern tunnelling risk
26 December, 2017
As a review of the Tunnel Code of Practice gets underway Tunnels & Tunnelling talksto the insurers behind London’s Crossrail which broke new ground in project insurance

Picking favourites
26 December, 2017
Sandvik’s vice-president for tunnelling drills Pekka Nieminen shares his career highlights, from complex rock in Switzerland to computerised drilling jumbos in South Korea

High speed revolution?
26 December, 2017
California is the first state in north america to begin work on a high speed rail system. with its diverse geology as much as 80km could be in an underground alignment. Nicole Robinson reports on the challenging geologic conditions for what are potentially the first tunnels to bid

Underground space in high demand
15 November, 2017
L D Jones, K A Lee, A J Hulbert, all of the British Geological Survey present a new 3D dataset that represents the properties beneath London

Interface power
15 November, 2017
Trends in geotechnical data and software. Report by Patrick Reynolds

Spending probes
15 November, 2017
Perspectives on the relationship of SI spending and ground risk. Report by Patrick Reynolds

TBM face support calculations
15 November, 2017
Zdenek Zizka and Markus Thewes of Ruhr Univeristy Bochum explain the new recommendations for face support calculations published by the German Tunnelling Committee (DAUB)

Grounded thinking
02 November, 2017
Alex Conacher speaks to Rod Eddies and Simon Brightwell of Fugro, a geotechnical services provider, to get a handle on the latest thinking around the ground model approach

Cambridge service tunnel
02 November, 2017
AstraZeneca’s global R&D headquarters in Cambridge calls for a new tunnel. This report from a BTSYM presentation by Lloyd Rew of Skanska was written by Cameron Blackwell from Mott MacDonald

Fragrant Harbour
02 November, 2017
Keren Fallwell speaks with expat engineers living in Hong Kong to get a handle on the market

Ground control
18 October, 2017
Joseph Sopko, director of ground freezing for Moretrench, discusses the design of frozen Earth structure for cross passage excavation

In the field
18 October, 2017
In June students from the geomechanics graduate program at Queen’s University in Kingston, travelled to Europe for two weeks of research and tours—seeing first hand the challenges and innovative solutions required to complete the region’s impressive geological engineering projects. Mark Diederichs reports

Working remotely
18 October, 2017
Nichole Boultbee, engineering geologist with Golder Associates Ltd. and Oliver Robson, project manager with Innergex Renewable Energy Inc., report on the challenges of working in a remote and sensitive environment for the now operational Upper Lillooet River hydro facility

In the nick of time
18 October, 2017
To secure the potable water supply for Montreal, a new intake tunnel is being built with a fast-track design and construction schedule. Jean Habimana, regional tunnel practice lead - east region for Hatc

Investigate and implement
17 October, 2017
Toronto is preparing to build 22km of tunnels to improve waterways in the Great Lakes Basin. Mark Bruder of R.V. Anderson Associates Limited, Daniel Cressman of Black & Veatch, and Robert Mayberry with the City of Toronto outline the geotechnical investigation program for the Don River and Central Waterfront Wet Weather Flow System

Just like new
12 October, 2017
In the TBM world, multi-use machines offer time and cost savings

Design considerations
12 October, 2017
ACI recently drafted a new report as the first design guideline on FRC tunnel segments to provide specific guidance for this emerging technology. Mehdi Bakhshi, Verya Nasri and Federica Mercuriello of Aecom discuss how to implement the ACI 544 Guideline into tunnel design

Deep pile foundation interceptions in tunnelling at bank station
12 October, 2017
This article is a reproduction of Omar Mohammed’s Harding Prize winning paper. The original can be found on the BTS website