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Charles W.W. NG (吳宏偉) PhD , University of Bristol

Associate Vice-President (Research and Graduate Studies) ,

CLP Holdings Professor of Sustainability
  Chair Professor
Changjiang Scholar 長江學者講座教授 (2010-2013)
Associate Editor, Canadian Geotechnical Journal
President of International Society for Soil Mechanics and Geotechnical Engineering
Email: cecwwng@ust.hk
Centrifuge and numerical modeling of two and three dimensional soil-structure interaction problems such as tunnels, deep excavation, piles and soil nailing; slope stability; transient seepage, static and cyclic behavior of unsaturated soils, geo-environmental engineering and energy foundations.


Green, Energy and Geo-environmental Engineering Projects

  • Theme-based Project: Understanding Debris Flow Mechanisms and Mitigating Risks for a Sustainable Hong Kong (RGC/UGC)
  • Three-dimensional Centrifuge and Numerical Modelling of Energy Pile Groups: Geotechnical Aspects (GRF)
  • PCC能量樁熱、力學工程特性及樁-土荷載傳遞機理研究(A Fundamental Investigation of PCC Energy Pile and Load Tranfer Mechanism) (NSFC)
  • 973-Project: Fundamental Investigation of Sustainable and Preventive Measures for Controlling Environmental Hazards Induced by Municipal Solid Waste Landfill
  • Centrifuge Modelling of Migration of Heavy Metal in Unsaturated Consolidating Dredgings (NSFC)
  • CRF: Green Slope Engineering: Bioengineered, Live Cover Systems for Man-made Fill Slopesand Landfill Capillary Barriers in Hong Kong

Material Behaviour and Fundamental Mechanisms
  • Cyclic Thermo-mechanical Behaviour of Clay and Sand with Reference to Energy Piles (GRF)
  • Fundamental Investigation of Wetting-induced Failure Mechanisms of Loess Slopes (GRF)
  • Small-strain Anisotropic Stiffness of Unsaturated Soil
  • Study of Rainfall Infiltration Mechanisms and Stability of Slopes in Hong Kong
  • Centrifuge Modelling of the Influence of Four Types of Fault Movements on Ground Deformations

Soil-Structure Interaction Problems
  • Interaction Among Multiple Circular and Non-circular Tunnels: Three-dimensional Centrifuge and Numerical Modelling (GRF)
  • Experimental Investigation of Dynamics of Granular Flows Obstructed by Baffles using Flume
  • Centrifuge Modelling for Debris Impact on Flexible Barrier
  • Three-dimensional Centrifuge Modelling of Perpendicularly Crossing Twin Tunnel Interactions in Soft Ground
  • Three-dimensional Centrifuge Modelling of Tunnelling Effects on Pile Groups in Soft Ground
  • Mechanisms and Predictions of Deformation due to Deep Excavation
  • Centrifuge Modelling of Tunnelling Effects on Dykes
  • Centrifuge Modelling of Excavation Effects on Pile Behaviour
Selected 100 publications between 2014 and 2017
  1. Ng, C.W.W.; Choi, C.E, Koo, R.C.H., Goodwin, G.R. Song, D. & Kwan, J. S. H. (2017). Dry granular flow interaction with dual-barrier systems. Accepted on 26 June. Géotechnique.

  2. Song, D., Ng, C. W. W., Choi, C. E., Kwan, J. S. H. & Koo, R. C. H. (2017). Influence of debris flow solid fraction on rigid barrier impact.  Accepted on 13 April. Canadian Geotechnical Journal.

  3. Ng, C.W.W., Baghbanrezvan, S., Sadeghi, H., Zhou, C. & Jafarzadeh, F. (2017). Effect of specimen preparation techniques on dynamic properties of unsaturated fine-grained soil at high suctions. Accepted on 2 Apr. Canadian Geotechnical Journalhttp://dx.doi.org\10.1139/cgj-2016-0531.

  4. Feng, S., Leung, A.K., Ng, C. W. W. & Liu, H.W. (2017). Theoretical analysis of coupled effects of microbe and root architecture on methane oxidation in vegetated landfill covers.  Accepted on 4 April. Science of the Total Environment.

  5. Shu, S., Zhu, W., Wang, S., Ng, C.W.W., Chen, Y.M & Chiu, A.C.F. (2017). Leachate breakthrough mechanism and key pollutant indicator of municipal solid waste landfill barrier systems: centrifuge and numerical modeling approach. Accepted on 18 Aug. Science of the Total Environment.

  6. Hong, Y., Zhang, L.Z., Ng, C.W.W. & Yang, B. (2017). Effect of initial pore pressure on undrained shear behaviour of fine-grained gassy soil. Accepted on 9th August. Canadian Geotechnical Journal.

  7. Song, D., Choi, C. E. & Ng, C. W. W. (2017). Geophysical flows impacting a flexible barrier: effects of solid-fluid interaction. Accepted on 24th June. Landslides.

  8. Shao, W., Ni, J. J., Leung, A. K., Su, Y. & Ng, C. W. W. (2017). Analysis of plant root-induced preferential flow and pore water pressure variation by a dual-permeability model. Accepted on 4 May. Canadian Geotechnical Journal.

  9. Jiang, B., Chen, L., Yang, J.S., Wang, S. & Ng, C.W.W. (2017). Effects of twin tunnel excavation on an existing horseshoe-shaped tunnel with considering settlement joint. Accepted on 18 April. Canadian Geotechnical Journal.

  10. Hong, Y., He, B., Wang, L., Wang, Z., Ng, C.W.W. & Masin, D. (2017). Cyclic lateral response and failure mechanisms of a semi-rigid pile in soft clay: centrifuge tests and numerical modelling. Canadian Geotechnical Journal. Vol. 54, No. 6, 806-824. DOI: 10.1139/cgj-2016-0356.

  11. Koo, R.C., Kwan, J. S. H., Lam, C., Ng, C. W. W., Yiu, J., Choi, C.E., Ng, A. K. L. & Ho, K. S. & Pun, W. K. (2017). Dynamic response of flexible rockfall barriers under different loading geometries. Landslides. Vol. 14, 905-916. DOI: 10.1007/s10346-016-0772-9.

  12. Feng, S., Ng, C. W. W., Leung, A.K., & Liu, H.W. (2017). Numerical modelling of methane oxidation efficiency and coupled water-gas-heat reactive transfer in a sloping landfill cover. Accepted with minor corrections on 21st Feb. Waste Management.

  13. Zhou, C., Fong, K.Y. & Ng, C.W.W. (2017). A new bounding surface model for thermal cyclic behaviour. Accepted on 20 Feb. International Journal for Numerical and Analytical Methods in Geomechanics. DOI: 10.1002/nag.2688.

  14. Ng, C. W. W., Choi, C. E., Liu, L. H., Wang, Y., Song, D. & Wang, N. (2017). Influence of particle size on the mechanisms of dry granular runup on a rigid barrier. Accepted on 26 Jan. Géotechnique Letters, 7, 1–11.

  15. Xie, M., Leung, A.K. & Ng, C.W.W. (2017). Mechanisms of Hydrogen Sulfide Removal by Ground Granulated Blast Furnace Slag Amended Soil. Accepted on 3 Feb. Chemosphere. Vol. 175, 425-430.

  16. Ng, C. W. W. , Mu, Q. Y. & Zhou, C. (2017). Effects of boundary conditions on cyclic thermal strains of clay and sand. Accepted on 12 January 2017. Géotechnique Letters, 7, No.1, 73–78, http://dx.doi.org/10.1680/jgele.16.00155.

  17. Zhou, C. , Ng, C. W. W. & Wang, S. H. (2017). Modelling volume changes of sand under thermal loads: a preliminary attempt. Accepted on 12 January 2017. Géotechnique Letters, 7, No.1, 68–72, http://dx.doi.org/10.1680/jgele.16.00150.

  18. Ma, Q.J., Ng, C.W. W., Mašín, D. & Zhou, C. (2017). An approach for modelling volume change of fine-grained soil subjected to thermal cycles. Accepted on 5 Jan. Canadian Geotechnical Journal. http://www.nrcresearchpress.com/doi/abs/10.1139/cgj-2016-0459#.WP1jH_l97cs.

  19. Ng, C. W. W., Choi, C. E., Goodwin, G. R., Cheung, W., Kwan, J.S.H., and Pun, W.K. (2016). Interaction between dry granular flow and deflectors. Accepted on 28 December. Landslides. DOI: 10.1007/s10346-016-0794-3.

  20. Choi. C. E., Goodwin, G. R., Ng, C. W. W., Cheung, D. K. H. , Kwan, J. S. H. & Pun, W. K. (2016). Coarse granular flow interaction with slit structures. Accepted 27 Sept. Géotechnique Letters 6, No. 4, 267–274, http://dx.doi.org/10.1680/jgele.16.00103. Received the 2017 Telford Premium Award by the Institution of Civil Engieers, UK.

  21. Choi, C. E., Ng, C. W. W., Goodwin, G. R., Liu, L. H. D., & Cheung, W. W. (2016). Flume investigation of the influence of rigid barrier deflector angle on dry granular overflow mechanisms. Canadian Geotechnical Journal, 53, Vol. 10, 1751-1759.

  22. Ng, C. W.W., Wei, J., Poulos, H.G. & Liu H.L. (2016). Effects of multi-propped excavation on an adjacent floating pile. Accepted on 13th Dec. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. Vol. 143, No. 7, DOI: 10.1061/(ASCE)GT.1943-5606.0001696.

  23. Ni, J. J., Leung, A. K., Ng, C. W. W. & So, P.S. (2017). Investigation of plant growth and transpiration-induced matric suction under mixed grass-tree conditions. Canadian Geotechnical Journal. Vol. 54, No.4, 561-573.

  24. Ng, C.W.W., Sadeghi, H. & Jafarzadeh, F. (2017). Compression and shear strength characteristics of compacted loess at high suctions. Canadian Geotechnical Journal. Vol. 54(5), 690-699. DOI: 10.1139/cgj-2016-0347.

  25. Ng, C. W. W., Xie, M. & Leung, A. K. (2017). Removal of hydrogen sulfide using soil amended with ground granulated blast furnace slag. Accepted on 9 Nov. Journal of Environmental Engineering, ASCE. DOI: 10.1061/(ASCE)EE.1943-7870.0001206. Vol. 143, No. 7.

  26. Ng, C. W. W., Kaewsong, R., Zhou, C. & Alonso, E. (2017). Small strain shear moduli of unsaturated natural and compacted loess. Géotechnique. Vol. 67, No. 7, 646-651.

  27. Ng, C. W. W., Mu, Q. Y. & Zhou, C. (2017). Effects of soil structure on the shear behaviour of an unsaturated loess at different suctions and temperatures. Canadian Geotechnical Journal. Vol. 54, No. 2, 270-279.

  28. Leung, A. K., Kamchoom, V. & Ng, C. W. W. (2017). Influences of root-induced soil suction and root geometry on slope stability: a centrifuge study.Canadian Geotechnical Journal. Vol. 54, No. 3, 291-303, 10.1139/cgj-2015-0263.

  29. Ng, C. W. W., Song, D., Choi, C. E., Koo, C. H. & Kwan, J. S. H. (2017). A novel flexible barrier for landslide impact in centrifuge. Géotechnique Letters. Vol. 6, No. 3, 221–225, http://dx.doi.org/10.1680/jgele.16.00048.

  30. Ng, C. W. W., Song, D., Choi, C. E., Kwan, J. S. H., Koo, R. C. H. & Pun, W. K. (2017). Impact mechanisms of granular and viscous flows on rigid and flexible barriers. Canadian Geotechnical Journal. Vol. 54, No. 2, 188-206.

  31. Ng, C. W. W., Leung, A.K., Yu, R. & Kamchoom, V. (2016). Mechanical and hydrological effects of live pole on slope stability: A centrifuge and numerical study. Accepted on 18th July. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol.143, No. 3, 10.1061/(ASCE)GT.1943-5606.0001616.

  32. Ng, C.W.W., Cheng, Q., Zhou, C. & Alonso, E.E. (2016). Volume changes of an unsaturated low plasticity clay during heating and cooling. Géotechnique Letters, 6, No. 3, 192–198, http://dx.doi.org/10.1680/jgele.16.00059.

  33. Liu, H.W., Feng, S. & Ng, C. W. W. (2016). Analytical analysis of hydraulic effect of vegetation on shallow slope stability with different root architectures. Computers and Geotechnics. Vol. 80, 115–120.

  34. Ng, C.W.W., Choi, C.E., Su, A.Y., Kwan, J.S.H. & Lam, C. (2016). Large-scale successive boulder impacts on a rigid barrier shielded by gabions. Canadian Geotechnical Journal. Vol. 53, No. 10, 1688-1699. (received R.M. Quigley Award (Honorable mention) for the 2nd best paper published in the Canadian Geotechnical Journal in 2016)

  35. Zhou, C. & Ng, C.W.W. (2016). Effects of temperature and suction on plastic deformation of unsaturated silt under cyclic loads. Journal of Materials in Civil Engineering, ASCE. Accepted on 12 May. DOI: 10.1061/(ASCE)MT.1943-5533.0001685. Vol. 28, No. 12.

  36. Ng, C. W.W., Wang, S.H. & Zhou, C. (2016). Volume changes of saturated sand during heating and cooling cycles. Géotechnique Letters, Vol. 6, No. 2, 124–131.

  37. Leung, A. K., Coo, J. L., Ng, C. W. W. & Chen, R. (2016). A new transient method for determining soil hydraulic conductivity function. Canadian Geotechnical Journal. Vol. 53, No. 8, 1332–1345. dx.doi.org/10.1139/cgj-2016-0113.

  38. Ng, C. W. W., Wang, R. & Boonyarak, T. (2016). A comparative study of different responses of circular and horseshoe-shaped tunnels to an advancing tunnel underneath. Géotechnique Letters, Vol. 6, No.2, 168–175.

  39. Ng, C.W.W., Sadeghi, H., Hossen, B., Chiu, C.F., Alonso, E.E. & Baghbanrezvan, S. (2016). Water retention and volumetric characteristics of intact and re-compacted loess. Canadian Geotechnical Journal. Vol. 53, No. 8, 1258–1269.

  40. Ng, C.W.W., Ni, J.J., Leung, A.K., Zhou, C. & Wang, Z.J. (2016). Effects of planting density on tree growth and induced soil suction. Géotechnique. Vol. 66, No. 9, 711-724. http://dx.doi.org/10.1680/jgeot.15.P.196.

  41. Ng, C.W.W., Ni, J.J., Leung, A. & Wang, Z.J. (2016). A new and simple water retention model for root-permeated soils. Géotechnique Letters. No. 6, 106–111, http://dx.doi.org/10.1680/jgele.15.00187.

  42. Ng, C.W.W., Garg, A. , Leung, A.K. & Hau, B.C.H. (2016). Relationships between leaf and root area indices and soil suction induced during drying-wetting cycles. Ecological Engineering, Vol. 91, 113–118.

  43. Cai, Q. P. & Ng, C. W. W. (2016). Centrifuge modeling of pile-sand interaction induced by normal faulting. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. Accepted on 22nd January. Vol. 142, No. 10, DOI: 10.1061/(ASCE)GT.1943-5606.0001500.

  44. Shen, J., Chiu, C.F., Ng, C.W.W., Lei, G.H. & Xu, J. (2016). A state-dependent critical state model for methane hydrate-bearing sand. Computers and Geotechnics. Accepted on 15 January. Vol. 75, 1-11, online: http://dx.doi.org/10.1016/j.compgeo.2016.01.013.

  45. Ng, C. W. W., Gunawan, A., Shi, C., Ma, Q.J. & Liu, H. L. (2016). Centrifuge modelling of displacement and replacement energy piles constructed in saturated sand: a comparative study. Géotechnique Letters. Vol. 6, 34-38. http://dx.doi.org/10.1680/jgele.15.00119.

  46. Zhou, C. & Ng, C.W.W. (2016). Simulating the cyclic behaviour of unsaturated soil at various temperatures using a bounding surface model. Géotechnique. Vol. 66, No.4, 344-350.

  47. Ng, C. W. W., Coo, J. L., Chen, Z. K. & Chen, R. (2016). Water infiltration on a new three-layer landfill cover system. Journal of Environmental Engineering, ASCE. Vol. 142, No. 5, DOI: 10.1061/(ASCE)EE.1943-7870.0001074.

  48. Law, R.P.H, Choi, C.E. & Ng, C.W.W. (2016). Discrete element investigation of the influence of granular debris flow baffles on rigid barrier impact. Canadian Geotechnical Journal. Vol. 53, No. 2, 179-185. Published online 10.1139/cgj-2014-0394.

  49. Choi, C.E., Ng, C. W. W. Au-Yeung, S. C. H. & Goodwin, G. R. (2015). Froude characteristics of both dense granular and water flows in flume modelling. Landslides, Vol. 12, No. 6, 1197-1206. DOI 10.1007/s10346-015-0628-8.

  50. Ng, C. W. W., Kamchoom, V. & Leung, A. K. (2015). Centrifuge modelling of the effects of root geometry on the transpiration-induced suction and stability of vegetated slopes. Landslides. Vol. 12, No. 5, 1-14. DOI 10.1007/s10346-015-0645-7.

  51. Cai, Qipeng, Ng, C.W.W. & Hu, P. (2015). Boundary effects on ground surface rupture induced by normal faulting. Géotechnique Letters. Vol. 5, 161-166.

  52. Garg, A., Leung. A. K. & Ng, C. W. W. (2015). Transpiration reduction and root distribution functions for non-crop species Schefflera heptaphylla. Catena. Vol. 135, 78-82.

  53. Ng, C. W. W., Chen, Z., Coo, J. L., Chen, R. & Zhou, C. (2015). Gas breakthrough and emission through unsaturated compacted clay in landfill final cover. Waste Management. Vol. 44, 155-163.

  54. Ng, C. W. W. , Zhou, C. & Leung, A. K. (2015). Comparisons between different suction control techniques by water retention curves: theoretical and experimental studies. Vadose Zone Journal, Vol. 14, No. 9: 10.2136/vzj2015.01.0006. Accepted on 28 May 2015.

  55. Chen, X.W., Wong, T.F., Ng, C.W.W. & Wong, M.H. (2015). Feasibility of biochar application on a landfill final cover – A review on balancing ecology and shallow slope stability. Environmental Science and Pollution Research. Vol: 23, Issue 8, Page 7111-7125.

  56. Ng, C.W.W., Liu, J. & Chen, R. (2015). Numerical investigation on gas emission from three landfill soil covers under dry weather conditions. Vadose Zone Journal. Published online. doi:10.2136/vzj2014.12.0180. Accepted on 1 April 2015.

  57. Zhou, C., Xu, J. & Ng, C.W.W. (2015). Effects of temperature and suction on secant shear modulus of unsaturated soil. Géotechnique Letters. Vol. 5, 123-128.

  58. Ng, C.W.W. , Liu, H.W. & Feng, S. (2015). Analytical solutions for calculating pore water pressure in an infinite unsaturated slope with different root architectures. Canadian Geotechnical Journal. Vol. 52, No. 12, 1981-1992.

  59. Wong, M.H., Chan, Y.S.G., Zhang, C.S. & Ng, C.W.W. (2015). Comparison of pioneer and native woodland species growing on top of an engineered landfill, Hong Kong: restoration program. Land Degradation and Development. Vol. 27, Issue 3, 500-510.: Published online: DOI: 10.1002/ldr.2380.

  60. Wong, J.T.F., Chen, X.W., Mo, W.Y., Man, Y.B., Ng, C.W.W. & Wong, M.H. (2015). Restoration of plant and animal communities in a sanitary landfill: A ten years case study in Hong Kong. Land Degradation and Development. Accepted on 20th May. Vol. 27, Issue 3, 490-499.

  61. Wong, J.T.F., Chen, Z.K., Ng, C.W.W, Wong, M.H. (2015). Gas permeability of biochar-amended clay: potential alternative landfill final cover material. Environmental Science and Pollution Research. Accepted on 9th June, 2015. Published online: DOI: 10.1007/s11356-015-4871-2.

  62. Garg, A., Leung, A. K. & Ng, C. W. W. (2015). Comparisons of suction induced by evapotranspiration and transpiration of S. heptaphylla. Canadian Geotechnical Journal. Vol. 52, No. 12, 2149-2155.

  63. Garg, A., Coo, J.L. & Ng, C.W.W. (2015). Field study on influence of root characteristics on soil suction distribution in slopes vegetated with Cynodon dactylon and Schefflera heptaphylla. Earth Surface Processes and Landforms. Vol. 40, 1631-1643.

  64. Garg, A. & Ng, C.W.W. (2015). Investigation of soil density effect on suction induced due to root water uptake by Schefflera heptaphylla. Journal of Plant Nutrition and Soil Science. Vol. 178, 586-591.

  65. Lei, G.H., Zheng, Q., Ng, C.W.W., Chiu, A.C.F. & Xu, B. (2015). An analytical solution for consolidation with vertical drains under multi-ramp loading. Géotechnique. Vol. 65, No.7, 531-547.

  66. Choi, C. E., Ng, C. W. W., Law, R. P. H., Song, D., Kwan, J. S.H. & Ho, K. K. S. (2015). Computational investigation of baffle configuration on the impedance of channelized debris flow. Canadian Geotechnical Journal. Vol. 52, No.2, 182-197.

  67. Choi, C. E., Au-Yeung, S. and Ng, C. W. W. (2015). Flume investigation of landslide granular debris and water runup mechanisms. Géotechnique Letters, 5, No.1, 28-32.

  68. Ng, C.W.W., Hong, Y., & Soomro, M.A. (2015). Effects of piggyback twin tunnelling on a pile group: three-dimensional centrifuge and numerical modelling. Géotechnique. Vol. 65, No. 1, 38-51.

  69. Leung, A.K. & Ng, C. W. W. (2015). Field investigation of deformation characteristics and stress mobilisation of a soil slope. Landslides, Vol. 13, No. 2, 229 – 240. DOI 10.1007/s10346-015-0561-x.

  70. Kwan, J. H. S., Koo, R. C. H. & Ng, C.W.W. (2015). Landslide mobility analysis for design of multiple debris-resisting barriers. Canadian Geotechnical Journal. Vol. 52, No. 9. 1345-1359.

  71. Ng, C. W. W.; Boonyarak, T. & Mašin, D. (2015). Effects of pillar depth and shielding on crossing multi-tunnel interaction. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. Vol. 141, No. 6. Accepted on 19 Dec. DOI: 10.1061/(ASCE)GT.1943-5606.0001293.

  72. Chen, X.W., Wong, J.T.F., Mo, W.Y., Man, Y.B., Ng, C.W.W. & Wong, M.H. (2015). Ecological performance of the restored South East New Territories (SENT) landfill in Hong Kong (2000-2012). Land Degradation and Development. Accepted on 9th Jan, 2015. Published online: DOI: 10.1002/ldr.2366.

  73. Zhou, C., Ng, C. W. W. & Chen, R. (2015). A bounding surface plasticity model for unsaturated soil at small strains. International Journal for Numerical and Analytical Methods in Geomechanics. Vol. 39, No. 11, 1141-1164. Online: [http://onlinelibrary.wiley.com/doi/10.1002/nag.2355/abstract].

  74. Zhou, C. & Ng, C.W.W. (2015). A thermo-mechanical model for saturated soil at small and large strains. Canadian Geotechnical Journal. Vol. 52, No. 8, 1101-1110.

  75. Ng, C. W. W., Liu, J., Chen, R. & Xu, J. (2015). Physical and numerical modeling of an inclined three-layer (silt/gravelly sand/clay) capillary barrier cover system under extreme rainfall. Waste Management. Vol.38: 210-221. (DOI: 10.1016/j.wasman.2014.12.013).

  76. Ng, C. W. W., Feng, S., and Liu, H.W. (2015). A fully coupled model for water-gas-heat reactive transport with methane oxidation in landfill covers. Science of the Total Environment. Vol. 508, 307-319.

  77. Ng, C. W. W. , Sun, H. S., Lei, G. H., Shi, J. W. & Mašín, D. (2015). Ability of three different soil constitutive models to predict a tunnel’s response to basement excavation. Canadian Geotechnical Journal. Vol. 52, No.11, 1685-1698.

  78. Boonyarak, T. & Ng, C. W. W. (2015). Effects of construction sequence and cover depth on crossing-tunnel interaction. Canadian Geotechnical Journal. Vol. 52, No. 7, 851-867.

  79. Ng, C.W.W., Shi, J.W, Mašín, D., Sun, H.S. & Lei, G.H. (2015). Influence of sand density and retaining wall stiffness on the three-dimensional responses of a tunnel to basement excavation. Canadian Geotechnical Journal. Vol. 52, No.11, 1811-1829.

  80. Ng, C. W. W. and Coo, J.L. (2015). Hydraulic conductivity of clay mixed with nanomaterials. Canadian Geotechnical Journal. Vol. 52, No. 6, 808-811.

  81. Hong, Y., Soomro, M.A. & Ng, C.W.W. (2015). Settlement and load transfer mechanism of a pile group due to side-by-side twin tunnelling. Computers and Geotechnics. Vol. 64, 105-119.

  82. Shi, J.W., Ng, C.W.W. & Chen, Y.H. (2015). Three-dimensional numerical parametric study of the influence of basement excavation on existing tunnel. Computers and Geotechnics. Vol. 63, 146-158.

  83. Hong, Y. , Ng, C.W.W. & Wang, L.Z. (2015). Initiation and failure mechanism of base instability of excavations in clay triggered by hydraulic uplift. Canadian Geotechnical Journal. Vol. 52, No. 5, 599-608.

  84. Kamchoom, V., Leung, A.K. & Ng, C.W.W. (2014). Effects of root geometry and transpiration on pull-out resistance. Géotechnique Letters, Vol. 4, No. 4, 330-336.

  85. Ng, C.W.W. , Shi, C., Gunawan, A. & Laloui, L. (2014). Centrifuge modelling of energy piles subjected to heating and cooling cycles in clay. Géotechnique Letters, Vol. 4, 310-315.

  86. Zhan, T.L.T., Yang, Y.B., Chen, R., Ng, C.W.W. & Chen, Y.M. (2014). Influence of clod size and water content on gas permeability of a compacted loess. Canadian Geotechnical Journal. Vol.51. No. 12, 1468-1474.

  87. Ng, C.W.W. & Yu, R. (2014). A novel technique to model water uptake by plants in geotechnical centrifuge. Géotechnique Letters, Vol.4, Oct., 244-249.

  88. Zhou, C. & Ng, C.W.W. (2014). A new and simple stress-dependent water retention model for unsaturated soil. Computers and Geotechnics. Vol. 62, Oct., 216-222.

  89. Ng, C. W. W. & Zhou, C. (2014). Cyclic behaviour of an unsaturated silt at various suctions and temperatures. Géotechnique. Vol. 64, No. 9, 709-720.

  90. Zhou, G.D, Ng, C.W.W & Sun, Q.C. (2014). A new theoretical solution for analysing confined granular flows. Landslides. Vol. 11, No.3, 369-384. DOI 10.1007/s10346-013-0397-1.

  91. Ng, C. W. W. , Leung, A. K., Kamchoom, V. & Garg, A. (2014). A novel root system for simulating transpiration-induced soil suction in centrifuge. Geotechnical Testing Journal, ASTM. Vol. 37, No. 5. 1-15.

  92. Ng, C. W.W. , Soomro, M.A. & Hong, Y. (2014). Three-dimensional centrifuge modelling of pile group responses to side-by-side twin tunnelling. Tunnelling and Underground Space Technology. Vol. 43, 350-361.

  93. Ng, C.W.W., Choi, C.E., Song, D., Kwan, J.S.H., Koo, R.C.H., Shiu, H.Y.K. & Ho, K.K.S. (2014). Physical modelling of baffles influence on landslide debris mobility. Landslides, Vol, 12, No.1, 1-18.

  94. Choi, C. E., Ng, C. W. W., Song, D., Kwan, J. H. S., Shiu, H. Y. K., Ho, K. K. S. & Koo, R. C. H. (2014). Flume Investigation of Landslide Debris Resisting Baffles. Canadian Geotechnical Journal. Vol. 51, No.5, 540-553.

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