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Ian Jefferson

Prof

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Ian Jefferson’s research interests include:

Collapsible soils, in particular loess from around the world including Eastern Europe, Central Asia and the UK. This work includes geomorphological/geological controls on loess formation and their geotechnical consequences, in situ and laboratory assessment of loess behaviour, notably its collapsibility, and ways to mitigate this collapse behaviour using a range of improvement techniques
Ground improvements including chemical stabilisation (including treatment of contaminated land) and densification, notably vibro-stone columns including use of alternative materials and the in-situ assessment of improvements gain using geophysical approaches
Assessment of various geohazards and their geotechnical consequences including rising ground water and its effects, collapse and behaviour of problematical soils, notably glacial tills
Sustainability in urban developments, in particular its impact on geotechnical engineering and the geotechnical process

1995 …2024

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  • 2020

    Collapsible soils in the UK

    Culshaw, M. G., Northmore, K. J., Jefferson, I., Langroudi, A. A. & Bell, F. G., 2020, Geological Society Engineering Geology Special Publication. 1 ed. Geological Society of London, p. 187-203 17 p. (Geological Society Engineering Geology Special Publication; vol. 29, no. 1).

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

    2 Citations (Scopus)

  • Swelling and shrinking soils

    Jones, L., Banks, V. & Jefferson, I., 2020, Geological Society Engineering Geology Special Publication. 1 ed. Geological Society of London, p. 223-242 20 p. (Geological Society Engineering Geology Special Publication; vol. 29, no. 1).

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

    1 Citation (Scopus)
  • 2012

    Expansive soils

    Jefferson, I. & Jones, L. D., 20 Feb 2012, ICE Manual of Geotechnical Engineering Vol 1: Geotechnical Engineering Principles, Problematic Soils and Site Investigation (ICE Manuals). ICE Publishing, Vol. 1. p. 413-441

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • 2009

    Environmental urban geotechnics

    Jefferson, I., Braithwaite, P., Culshaw, M., Reeves, HJ., Jefferson, I. & Spink, TW., 1 Jan 2009, Geological Society, London, Engineering Geology Special Publications. Vol. 22.

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • Substructures and Underground Space

    Hunt, D., Chapman, D., Culshaw, M., Reeves, HJ., Jefferson, I. & Spink, TW., 1 Jan 2009, Engineering Geology for Tomorrow's Cities.

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

    1 Citation (Scopus)
  • 2005

    Treatment of Metastable Loess Soils: Lessons from Eastern Europe

    Jefferson, I., Rogers, C., Evstatiev, D. & Karastanev, D., 1 Jan 2005, Ground Improvement- Case Histories.

    Research output: Chapter in Book/Report/Conference proceeding › Chapter