Search Results: 'Mott MacDonald'

Resilience and renovation in the US
01 December, 2001
Tunnelling contractors in the US may be facing ever increasing pressures, but projects are still thick on the ground. Dr Gary S Brierley, president Brierley Associates, LLC, Hugh P Caspe, PE, national director of tunnel practice, HNTB, and Randall J Essex, PE, director of tunnelling, Hatch Mott MacDonald, take a look at how the industry is faring in the US

On the alert for settlement
01 December, 2001
One of the most extensive ground monitoring surveys ever attempted is now under way in Amsterdam, years before tunnelling starts for the city's metro.

The Secondary Lining - an easier process
06 November, 2001
In the second part of their paper 'Self-certification on the North Downs Tunnel', submitted to the BTS Harding Prize Competition 2001, Esther Casson and Rand Selman (both seconded to Miller Civil Engineering Services from Mott MacDonald) take a look at self-certification processes for the secondary lining of the North Downs tunnel for Channel Tunnel Rail Link, UK.

Dividends from a shared interest in quality
01 October, 2001
In this, the first part of their paper 'Self certification on the North Downs Tunnel', submitted to the Harding Prize Competition 2001, Esther Casson and Rand Selman (both seconded to Miller Civil Engineering Services from Mott MacDonald) review how self-certification was developed successfully and brought gains during construction of the North Downs tunnel for the Channel Tunnel Rail Link

Shotcreting in London Clay
09 June, 2001
Despite the criticisms the New Austrian Tunnelling Method has received – of the practice, if not the theory – following a series of construction collapses, the benefits of sprayed concrete linings cannot be ignored, assuming risk can be minimised.

Decade's pick of North American progress
01 March, 2001
At the BTS meeting on 16 November, Lee Abramson of US consultant Hatch Mott MacDonald reviewed tunnelling projects in North America over the past 10 years. He concentrated on schemes with unusual or unique characteristics, examining the progress made in underground works

In at the deep end
05 January, 2001
The Netherlands has adopted large-diameter TBM work for soft ground tunnels with great enthusiasm. No where is this more evident than in the Westerschelde tunnel project where modern technology is set to open the relatively isolated Zeeuwsch-Vlaanderen province. However, such a challenging project has not been without its snags.