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2006 Rankine Lecture homes in on tunnelling and geotechnics

PROFESSOR ROBERT Mair, the British Geotechnical Association's 2006 Rankine Lecturer, will focus on the important relationship between tunnelling and geotechnics.

Mair, Professor of geotechnical engineering at Cambridge University, is one of the founding directors of Geotechnical Consulting Group.

His lecture, Tunnelling and geotechnics - new horizons, will describe recent advances in soft ground tunnelling research and practice, drawing on model studies, theoretical developments and case histories from around the world.

Mair will examine simplified models used to assess ground movements and tunnel lining loads in complex ground. Technical advances in tunnel construction processes and factors influencing their control to ensure small volume losses, will be discussed, along with time-dependent ground movements and tunnel-lining behaviour.

The effects of tunnelling-induced settlements on buried structures such as piles, pipes and other tunnels will be considered, with examples drawn from centrifuge model studies and field measurements.

Mair will also look at compensation grouting as a technique for mitigating the effects of potential settlement, illustrated by recent case histories.

Finally, he will present innovative applications of fibre optic technology for field monitoring.

Mair has spent most of his career specialising in underground construction, advising on many international projects. He is chair of the International Society of Soil Mechanics and Geotechnical Engineering's Technical Committee 28 on underground construction in soft ground.

The 2006 Rankine Lecture will be held in the main lecture theatre of the Sherfield Building at Imperial College, London on 22 March, starting at 5.30pm, with tea from 5pm. For more details visit www.

britishgeotech. org. uk

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