Search Results: 'International Tunnelling Association'

Road Tunnels in Iceland
21 December, 2010
Iceland is building more road tunnels, and they are getting longer. The most recent and longest scheme to date, is Hedinsfjordur Tunnel, which has two single tubes totalling 11km. Built by Metrostav-Hafell JV, the tunnels opened to traffic in October

Excavating Olafs
21 December, 2010
Driving the Olafs Tunnel was the longer and the tougher challenge by far of the two road tubes on the Hedinsfjordur project, the main cause being groundwater

There must be a better way
14 December, 2010
Ground conditions and risk allocation: Combining the NEC Engineering and Construction Contract (ECC) and the Geotechnical Baseline Report (GBR). Article by Randall Essex, director of tunnelling, Hatch Mott Macdonald; and from Mott MacDonald, Richard Patterson, NEC and procurement specialist; Ian Duncan, geotechnical specialist and Andrew Hindmarsh, senior project manager

Atlantic Ocean tunnels in Norway
11 November, 2010
At the June British Tunnelling Society meeting, Prof. Eivind Grov, former vice-president of the International Tunnelling Association and president of the Norwegian Tunnelling Society gave a presentation on road tunnels being built along Norway’s western coast

Managing ground risk
22 September, 2010
Nigel Legge of Nigel Legge Associates and Iain Suttie of Berwin Leighton Paisner look at the role of project management and contracts in managing ground risk

Tunconstruct reports
24 August, 2010

Still thrusting forward
17 August, 2010
The jacking of pipes and other structures to create underground space is something of a Cinderella pursuit compared to the more glamorous, ‘sharp end’ activities of TBMs and drilling, yet it occupies an important place in our overall industry. Maurice Jones takes a look at the current state of technical development.

EFNARC certifies six nozzlemen
30 July, 2010

Measuring up the Middle East
14 July, 2010
Metro schemes, roads and sewer projects are expected to boost to the tunnelling sector in the Middle East and North Africa with Egypt and the UAE leading the way reports Bernadette Redfern

Donald Frank Rees
17 June, 2010

It’s all in the timing
26 May, 2010

In-Mo Lee becomes new ITA president
24 May, 2010

Meeting shotcrete specifications
23 March, 2010
In the long history of shotcrete, or sprayed concrete, linings underground, never has so much been expected of them. In the transition in scope from hard rock primary support to soft ground permanent support, shotcrete is now expected to create structures under even more demanding conditions, but still at comparatively low cost. Here technical editor Maurice Jones reviews the state of some developments designed to meet such demands