Analysis of ground movement and settlement
Shani Wallis, TunnelTalk
Three excellent papers were presented last night (Thursday, 14 April, 2011) for the British Tunnelling Society Harding Prize competition. Open to young engineers aged 33 or younger at the end of the previous year (2010 in this case), the papers presented were a short list of five submitted for the competition. A score assigned to the written papers by the three BTS committee adjudicators selected the finalists and a score assigned by each judge to the presentation on the night identified the recipient of the 2011 accolade.
The biennial competition is named in honour of Sir Harold Harding, the founder Chairman of the BTS, and papers submitted are required to relate to any aspect of tunnelling considered of interest to the industry. The three papers for this year’s competition focused on different techniques for predicting ground movement and the monitoring of settlement on soft ground tunnelling projects.
The three finalists who presented their papers and answered questions from a large and attentive audience were:
Andreas Feiersinger, Dr Sauer & Partners, London; Comparison of Deformations Predicted Using 3D Finite Element Analysis with Deformations Encountered During Construction (Green Park Station, London);
Spyridon Konstantis, Arup; Probabilistic Assessment of Face Stability Conditions for Shallow Tunnels in Soft Ground; and
Robert Milner, Halcrow; Settlement due to Tunnelling on the West Ham Flood Alleviation Scheme
After deliberations by the three judges, the winner of a very close call was declared Robert Milner. All three candidates presented their papers with competence and a thorough knowledge of their subjects. Each also answered with confidence some searching and pointed questions from the audience. There was little to separate them. As well as the title, the Harding Prize winner receives a copy of Sir Harold's book, Tunnelling History and My Own Involvement, plus two tickets to the BTS Annual Dinner in May, a cheque for £500 and a CD-ROM copy of the Encyclopaedia of Tunnelling, Mining and Drilling Equipment by Barbara Stack, the preface of which in its original 1982 version was written by Sir Harold Harding. Runners up also received a CD copy of the Encyclopaedia and a cheque for £100.
The next Harding Prize competition will be held in two years time. All who are interested from anywhere across the world and who are under 33 years old at the end of 2012 are encouraged and welcomed to enter.

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