Search Results: 'Parsons Brinckerhoff'

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.