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  Content Type Features
  Date 2005
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Sustained industry
01 November, 2005

Time is money... Or is it? (Part 1)
15 October, 2005
In this two-part article, legal correspondent Paul Cullinan, director of construction contract and disputes firm Aster Consultants Ltd, discusses how the law treats time for the completion of construction projects

Cutting it - Disk design
01 October, 2005
Correct selection of TBM cutting elements is obviously of great importance to planned progress. However, the ways in which cutter design can affect tunnelling progress are not always so obvious. Technical journalist Maurice Jones spoke to some leading authorities on the subject

Epping to Chatswood – the final touches
01 September, 2005
Construction of the 12.5km long Epping to Chatswood Rail Line is drawing to a successful close. Jim Rozek, Parsons Brinckerhoff design project director, describes the experience gained during construction of the 23km of large diameter TBM driven tunnel and four wide arch stations

Stabilisation of collapsed shaft at Strood tunnel
01 September, 2005
The May 2005 presentation to the BTS focused on the remedial works to Shaft No. 4 of the Strood and Higham lining project in North Kent, England. The presentation was given by Philip Wall from Network Rail, Thomas Greig from Halcrow Group, and Charles McAnally, construction project manager for Keller Ground Engineering

Large scale fire research
01 August, 2005
Felix Amberg and Volker Wetzig, of Switzerland's VSH Hagerbach Test Gallery, discuss a new EU sponsored initiative "L-Surf", which is designed to improve and expand upon Europe's current large scale underground test facilities

Paying the price
01 August, 2005

Dark day in London
01 August, 2005

Design liability
01 June, 2005
In the latest of a series of articles on legal issues, correspondent Paul Cullinan, director of construction contract and disputes firm Aster Consultants Ltd, in association with Friary Chambers, Dublin, looks at the legal liability for design

Response to Byron Ishkanian
01 June, 2005

Clearing the air further
01 June, 2005

Modern shotcrete rigs assist Chinese project
01 June, 2005

EPBM tunnelling in Downtown Vienna
01 June, 2005
The 2.6km long Lot 02/03 section of the Wien River Valley Collecting Sewer (WSKE) has recently been driven under the Wien River using an 8.6m EPBM. The tunnel is situated in the centre of downtown Vienna and passes beneath Line 1 of the metro with just 3m clearance. Dietmar Bach and Wolfgang Weinmar, of construction supervision JV Metz-IGT, and Andreas Ilmer, project leader for MA 30, give a short report on the largest tunnel built so far by an EPBM in Austria

Form follows function...
01 June, 2005

Picture perfect...
01 May, 2005

Managing risk at T5
01 April, 2005
The very well attended 20 January 2005 meeting of the British Tunnelling Society heard a presentation by Ian Williams, the T5 Tunnels Delivery Manager for BAA who described some of the key aspects of managing risk for the tunnelling carried out for the Terminal 5 project at Heathrow

The way ahead for water inflow control
01 April, 2005
Understanding waterproofing products, as well as knowledge and experience of their application, is very much the key to successful management of groundwater inflows. Amanda Foley, deputy editor, discusses current perspectives on waterproofing and takes a look at some of the leading product ranges available to the industry

Lateral thinking...
01 April, 2005

The evolution of the hard rock ABM
01 March, 2005
Auger Boring Machines (ABMs) have been in use for over a century, but performance has improved significantly in the past 30 years. More powerful machines combined with modern pipe-jacking methods, better steel casing pipe, improved materials for augers and tungsten-carbide bits are permitting ABMs to bore longer, larger tunnels. Recently, with the incorporation of rock cutting heads, their use has expanded into hard rock. Joseph A Roby, vice president of The Robbins Company, explores the advent of the hard rock ABM, and the rock-cutting head that makes it possible

Pipe jack comes to the rescue in Berlin
01 March, 2005
For the re-construction of a damaged section of the Kienbaum-Börnicke gas pipeline, east of Berlin, Germany, a moor had to be crossed using a pipe-jacked tunnel in an extremely short time. Philipp Elsner and Lars Babendererde of consultant Babendererde Ingenieure, Axel Kleszka of client, E. ON Ruhrgas, and Michael Hentrich of contractor Gildemeister Tief-, Stahlbeton- und Rohrleitungsbau describe the challenges