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Dr Gary Choy

Gary Choy

Dr Gary Choy is a chartered engineer with over 24 years of practical experience. His area of expertise includes tunnelling, pipelines, deep excavations and foundation systems, instrumentation & monitoring, and construction impact assessment for third party infrastructure.

He has been providing highly specialised pipeline and tunnel expertise to utility companies including Thames Water and Affinity Water to ensure excellent services to customers and operational continuity, and to protect whole life asset value.

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  1. Ng, C. W. W., Zhang, L. M., Ho, K. K. S. and Choy, C. K. (2000). Influence of laterally loaded sleeved piles on slope stability. Proc. GeoEng 2000, Melbourne, Australia.
  2. Ng, C. W. W., Zhang, L. M., Tang, W. H. and Choy, C. K. (2000). Behaviour of laterally loaded piles constructed in sloping ground. Foundations – Proc. 19th Annual Seminar, HKIE Geotechnical Division, pp. 97-106.
  3. Choy, C. K. (2002). The effects of a slurry wall excavation on an adjacent piled foundation. Proc. 7th BGA Young Geotechnical Engineers’ Symposium, Dundee, UK.
  4. Choy, C. K., Standing, J. R. and Mair, R. J. (2002). The installation effects of a diaphragm wall on an adjacent piled foundation. Proc. 3rd Int. Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, Toulouse, France.
  5. Choy, C. K. (2004). Installation effects of diaphragm walls on adjacent piled foundations. PhD Dissertation, University of Cambridge, UK.
  6. ] Choy, C. K., Standing, J. R. and Mair, R. J. (2005). The stability of piles adjacent to a slurry supported trench. Proc. 4th Int. Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, Amsterdam, The Netherlands.
  7. Bennett, P.J., Klar, A., Vorster, T.E.B., Choy, C. K., Mohamed, H., Soga, K., Mair, R.J., Tester, P. and Fernier. (2006) Distributed optical fibre strain sensing in piles. Proc. Int. Conf. On Reuse of Foundations for Urban Sites, pp.71-78, BRE press, ISBN 1-86081-938-9, 2006.
  8. Chung, K. H., Choy, C. K. and Mair, R. J. (2006). Centrifuge modelling of pile-tunnel interaction. Physical Modelling in Geotechnics – 6th ICPMG ’06 – Ng, Zhang & Wang (eds) 2006 Taylor & Francis Group, London, ISBN 0-415-41586-1, pp.1151 – 1156.
  9. Elshafie, M. Z. E. B., Choy, C. K. and Mair, R. J. (2006). Finite element and centrifuge investigations of excavation-induced ground movements. Physical Modelling in Geotechnics – 6th ICPMG ’06 – Ng, Zhang & Wang (eds) 2006 Taylor & Francis Group, London, ISBN 0-415-41586-1, pp. 1395-1400.
  10. Elshafie, M., Mair, R. J., Soga, K. and Choy, C. K. (2006). Excavation-induced ground movements behind a single-propped wall. Proceedings of 6th European Conference on Numerical Methods in Geotechnical Engineering, Graz, Austria – Schweiger (ed.) 2006 Taylor & Francis Group, London, ISBN 0-415-40822-9, pp. 375-381.
  11. Vorster, T. E. B., Soga, K., Mair, R. J., Bennett, P. J., Klar, A. and Choy, C. K. (2006). The use of fibre optic sensors to monitor pipeline response to tunnelling. ASCE GeoCongress 2006, Atlanta, Georgia, USA.
  12. Choy, C. K., Standing, J. R. and Mair, R. J. (2007). Stability of a loaded pile adjacent to a slurry-supported trench. Geotechnique 57, No. 10, pp. 807-819.
  13. Menkiti, C. O., Merritt, A. S., Choy, C. K., Mortimore, R. N. and Black, M. (2011). Geotechnical properties of the Chalk in east London and the Thames Gateway. Proc. 15th European Conference on Soil Mechanics and Geotechnical Engineering, Athens, Greece – A. Anagnostopoulos et al. (eds), IOS Press, ISBN 978-1- 60750-800-7, pp. 357-362.
  14. Elshafie, M. Z. E. B., Choy, C. K. and Mair, R. J. (2013). Centrifuge modelling of deep excavations and their interaction with adjacent buildings. Geotechnical Testing Journal, Vol. 36, No. 5, pp. 1-12.
  15. Choy, C. K., Standing, J. R. and Mair, R. J. (2014). Centrifuge modelling of diaphragm wall construction adjacent to piled foundations. Geotechnical Testing Journal, Vol. 37, No. 4, pp. 567-584.
  16. Choy, C. K. G. and New, B. M. (2022). Tunnelling and general construction impacts on utility pipelines. Tunnels and Tunnelling International, February, pp. 12-32

Areas of expertise

  • Tunnelling
  • Pipelines
  • Deep excavations and foundation systems
  • Instrumentation & monitoring
  • Infrastructure impact assessments
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