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Experience:
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Dr Cleall was appointed as an academic member of staff at Cardiff, in the position of Lecturer in Geoenvironmental Engineering, in 2002 and is currently a Senior Lecturer.
Dr Cleall’s research activities initially focused on the area of coupled flow and deformation behaviour in soils and have developed to encompass a number of areas in the subject of geoenvironmental and geotechnical engineering. He has been actively involved in a number of international research programmes, (for example, the Prototype Repository project and the Integrated Project NF-Pro, both key European Commission funded research activities in the area of geological disposal of high level nuclear waste). He has expertise and interest in:
- Numerical and analytical modelling
- Saturated and unsaturated soil behaviour
- Fate and flow of pollutants in various media
- Behaviour of permafrost and freezing/thawing soils
- Integrated GIS assessment
- Impact of vegetation on geotechnical and geoenvironmental systems
- High-level nuclear waste repositories
- Thermal ground energy, storage and extraction
- Subsurface gas generation, flow and management
Selected Recent Publications:-
Cleall, P.J., Singh, R.M. and Thomas, H.R. AOP “Vapour transfer in unsaturated compacted bentonite” Géotechnique [doi:10.1680/geot.12.P.147]
Rees S.W., Cleall, P.J., Li, Y., and Shao, K. 2012 “Freezing soil effects on earth-contact heat transfer” Building Services Engineering Research & Technology. [doi:10.1177/0143624412441616]
Li, Y., Cleall, P.J., Zhan, T.L.T., Chen, Y. and Ma, X 2012 “Gas Pressure Model for Layered Municipal Solid Waste Landfills” ASCE Journal of Environmental Engineering. 138(7), 752–760 [doi:10.1061/(ASCE)EE.1943-7870.0000533]
Cleall, P.J., Singh, R.M. and Thomas, H.R. 2011 “Non-isothermal moisture movement in unsaturated kaolin: an experimental and theoretical investigation” ASTM Geotechnical Testing Journal 34(5) 514-524 Symposium in Print. [doi: 10.1520/GTJ103585]
Cleall, P.J. and Li, Y. 2011 “An analytical solution for diffusion of VOCs through Composite Landfill Liners” ASCE Journal of Geotechnical and Geoenvironmental Engineering 137(9) [doi:10.1061/(ASCE)GT.1943-5606.0000506]
Thomas, H.R., Cleall, P.J, Dixon, D. and Mitchell, H.P. 2009 “The Coupled Thermal-Hydraulic-Mechanical Behaviour of a Large Scale In-Situ Heating Experiment” Geotechnique 59 (4), 401–413 [doi: 10.1680/geot.2009.59.4.401]
Thomas, H.R., Cleall, P.J., Li, Y., Harris, C., Kern-Luetschg, M., 2009 “Modelling of cryogenic processes in permafrost and seasonally frozen soils” Geotechnique 59(3), 173–184 [doi: 10.1680/geot.2009.59.3.173]
Please feel free to contact me directly for pdf's of any of my publications
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![[photo]](images/Cleall.jpg)