Search Results: 'Parsons Brinckerhoff'

US airport collapse claims miner's life
12 December, 2000

Boston ventilation conference
29 September, 2000

'Cease and Desist' order in LA
05 May, 2000

Perth tunnel to open early
30 April, 2000

Contract awards in Singapore
30 April, 2000

Tunnel contract
31 March, 2000

Quantifying the science of tunnelling
30 March, 2000
Tunnelling has been described as an art and a science. The 'art' was based on experience, usually gained by trial and error. In modern tunnelling there is much less tolerance of error. This increases the need for accurate data as a basis for design and construction decisions, on which the science of tunnelling is built. In this article, Technical Journalist Maurice Jones examines the types of instrumentation & monitoring equipment used in tunnel construction.

Hatch Mott's for Badlands Tunnel
25 February, 2000