Assistant Professor (Geotechnical Engineering)
Dr. Clarence E. Choi

BSc (with distinction), University of Calgary, Canada
PhD, The Hong Kong University of Science and Technology, China

Office: HW 6-29
Phone: +852 2859 1980
Fax: +852 2559 5337
E-mail: cechoi@hku.hk
Homepage: https://www.cechoi.org/

Teaching Activities CIVL3133 Ground Improvement
CIVL3114 Slope Engineering
CIVL6077 Ground investigation and soil testing
CIVL6079 Slope Engineering (advanced)

Research Interests Landslides
Soil-structure interaction
Smart infrastructure

Professional Activities Chair, Debris flow and steep creek hazards mitigation committee; Association of Geohazard Professionals (AGHP)
Chair-nominated member, Technical committee on slope stability (TC208); International Society for Soil Mechanics and Geotechnical Engineering
Board member (alternate), International Consortium of Landslides, The United Nations Educational, Scientific and Cultural Organization (UNESCO)
Nominated member for Hong Kong, Joint technical Committee No. 1 (JTC1) on natural slopes and landslides of Federation of the International Geoengineering Societies (FedIGS)
Editorial board member, Landslides

Representative Research / Consultancy Projects Smart landslide information system (PI, HKJCDPRI, Hong Kong)
Smart landslide barriers (PI, HKJCDPRI, Hong Kong)
Impact dynamics of debris flow on a series of barriers with basal clearances designed to self-clean: physical modelling (PI, RGC-ECS, Hong Kong)
Mechanisms of interaction between debris flow and baffles (PI, RGC-GRF, Hong Kong)
Impact of geophysical flows on rigid barriers with and without cushioning materials, (PI, RGC-GRF, Hong Kong)
Impact mechanisms of debris flows on erodible bed against multiple flexible barriers: large-scale physical modelling (PI, RGC-GRF, Hong Kong)
Interaction mechanisms between debris flows and multiple barriers (PI, NSFC, Mainland China)
Effect of horizontal orientation of soil nails for slope stabilisation (PI, Contract Research)
Multi-scale modelling strategies for debris-flow; a new technique for hazard assessment combining numerical modelling and physical experiments (Co-PI, Joint projects with Politecnico Di Torino, Italy)
Landslide mitigation of sustainable growth of urbanised area (Co-PI, INTPART, Research Council of Norway)

Awards 2017 Telford Premium Prize from ICE, UK
2017 R.M Quigley Award from Canadian Geotechnical Society

10 Selected Representative Publications Choi, C.E., and Goodwin, G.R.* (2020). Effects of interactions between transient granular flows and macroscopically rough beds and their implications for bulk flow dynamics. Canadian Geotechnical Journal (accepted).
Choi, C.E. and Goodwin, G.R.* (2020). Interaction between granular flows and flexible obstacles: a grain-scale investigation. Computers and Geotechnics (accepted).
Goodwin, G.R., Choi, C.E.* and Yune, C.Y. (2020). Towards rational use of baffle arrays on inclined and flat terrain for filtering boulders. Canadian Geotechnical Journal (accepted).
Choi, C.E., Ng, C.W.W., Liu, H.*, and Wang, Y. (2020). Interaction between dry granular flow and rigid barrier with basal clearance: analytical and physical modelling. Canadian Geotechnical Journal, https://doi.org/10.1139/cgj-2018-0622.
Ng, C.W.W., Liu, H.*, Choi, C.E., Kwan, J.S.H., and Pun, W.K. (2020). Impact dynamics of boulder-entrained debris flow on a rigid barrier. Journal of Geotechnical and Geoenvironmental Engineering (ASCE), (accepted).
Goodwin, G.R. and Choi, C.E.* (2020). Slit structures: fundamental mechanisms of mechanical trapping of granular flows. Computers and Geotechnics (in press).
Ng, C.W.W., Choi, C.E.*, Koo, R.C.H., and Kwan, J.S.H. (2018). Dry granular flow interaction with dual-barrier systems. Géotechnique, 68(5): 386-399.
Choi, C.E., Goodwin, G.*, Ng, C.W.W., Chu, H.K., Kwan, J.S.H., and Pun, W.K. (2016). Coarse granular flow interaction with slit-structures. Géotechnique Letters, 6(4): 1-8.
Choi, C.E.*, Ng, C.W.W., Song, D., Kwan, J.S.H., Shiu, H.Y.K., Ho, K.K.S. and Koo, R.C.H. (2014). Flume investigation of landslide debris baffles. Canadian Geotechnical Journal, 51(5): 540-533.
Choi, C.E.*, Ng, C.W.W., Song, D., Law, R.P.H., Kwan, J.S.H. and Ho, K.K.S. (2014). A computational investigation of baffle configuration on the impedance of channelized debris flow. Canadian Geotechnical Journal, 52(2): 182-197.

Others For more information of Dr. C.E. Choi , please visit https://www.cechoi.org/.