Brian Hawkins (HM Geotechnics) and Tom St John (University of Bristol) have published a paper on the presence of sulfur-species in glacial tills (boulder clays) and the implications for engineering and construction. The authors consider a case study of road construction (A10) in an area underlain by glacial till in Hertfordshire, UK.
The paper, titled “Engineering significance of sulfur/sulfate in glacial tills” follows prior discussion of the A10 case study by Hawkins (2013):
Hawkins, A.B. (2013). Some engineering geological effects of drought: examples from the UK. Bulletin of Engineering Geology and the Environment.… Read the rest
Paul Beetham (Loughborough University), Tom Dijkstra (BGS), Neil Dixon (Loughborough University), Paul Fleming (Loughborough University), Robert Hutchison (Opus) and John Bateman (Independent consultant) have published a review paper on the application of lime stabilisation in UK earthworks.
The paper, titled “Lime stabilisation for earthworks: a UK perspective” considers the chemistry of the lime stabilisation process and the implications of the minimum mellowing period and air voids. The role of sulfate swelling in lime stabilised materials and how the risk of the this may be reduced is also discussed. The full abstract from the ICE Proceedings: Ground Improvement is shown below.… Read the rest