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Faculty
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
Homepage: http://cecwwng.people.ust.hk
RESEARCH INTERESTS:
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.

RESEARCH PROJECTS:


Green, Energy and Geo-environmental Engineering Projects

  • Theme-based Project: Understanding debris flow mechanisms and mitigating risks for a sustainable Hong Kong (Theme-based/RGC)
  • Performance of unsaturated earthen embankments subject to climate change: centrifuge and numerical modelling (GRF)
  • Dissociation-induced deformation and instability of methane hydrate-bearing soils with various micro-structures (GRF/RGC)
  • 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 Transfer Mechanism) (NSFC)
  • Performance of floating energy piled foundations in clay subjected to thermal cycles: three-dimensional centrifuge and numerical modelling (GRF/RGC)
  • Hydro-mechanical behaviour of fine-grained soil contaminated by liquid hydrocarbon
  • 填埋植物 - 建築垃圾相互作用機理及生態覆蓋系統研發 (Vegetation-construction waste interaction and development of sustainable landfill cover) (NSFC)
  • Hydro-mechanical behaviour of fine-grained soil contaminated by liquid hydrocarbon (GRF/RGC)
  • Cyclic soil-root mechanical interaction for urban greening (GRF/RGC)


Material Behaviour and Fundamental Mechanisms

  • Cyclic thermo-mechanical behaviour of clay and sand with reference to energy piles (GRF/RGC)
  • Fundamental investigation of wetting-induced failure mechanisms of loess slopes (GRF/RGC)
  • Fundamental investigation of wetting-induced failure mechanisms of loess slopes (GRF/RGC)
  • Anisotropic stiffness of unsaturated soil under cyclic thermo-hydro-mechanical loads with principal stress rotations (GRF/RGC)
  • 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/RGC)
  • Three-dimensional centrifuge modelling of multi-propped excavation on adjacent pile group and piled-raft foundation (GRF/RGC)
  • Experimental investigation of dynamics of granular flows obstructed by baffles using flume (GEO)
  • Centrifuge modelling for debris impact on flexible barrier (GEO)
  • Three-dimensional centrifuge modelling of tunnelling effects on pile groups in soft ground (GRF/RGC)
  • Three-dimensional centrifuge modelling of the effects of basement excavation on existing tunnels (GRF/RGC)
Selected 100 publications between January 2015 and July 2018

1.    Ng, C.W.W., Tasnim, R. & Coo, J.L. (2018). Effects of atmospheric CO2 concentration on soil-water retention and induced suction in vegetated soil. Engineering Geology, Vol 242, 108-120.

2.    Ng, C.W.W.; Choi, C.E, Koo, R.C.H., Goodwin, G.R. Song, D. & Kwan, J. S. H. (2018). Dry granular flow interaction with dual-barrier systems. Géotechnique. Vol. 68, No. 5, 386-399.

3.    Su, Y., Cui, Y. Ng, C.W.W.; Choi, C. & Kwan, J.S.H. (2018). Effects of particle size and cushioning thickness on the performance of gabions against boulder Impact. Canadian Geotechnical Journal. Accepted.

4.    Archer, A. & Ng, C.W.W. (2018). Effects of temperature and relative humidity on a clay embankment: centrifuge modelling. Géotechnique Letters. Vol. 8, Issue 2, June.

5.     Ni, J. J., Chen, X. W., Ng, C. W. W. & Guo, H. W. (2018). Effects of biochar on water retention and matric suction of vegetated soil. Géotechnique Letters. Vol. 8, Issue 2, June.

6.    Soomro, M.A. & Ng, C. W. W. (2018). Lateral behaviour of a pile group due to side-by-side twin tunnelling in dry sand: 3D centrifuge tests and numerical modelling. Computers and Geotechnics.

7.     Ng, C. W. W. , Su, Y., Choi, C. E., Song, D. , Lam, C., Kwan, J.S.H. & Chen, R. (2018). Comparison of cushion mechanisms between cellular glass and gabions subjected to successive boulder impacts. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. Accepted.

8.     Ng, C. W. W., Wang, Z. J., Leung, A. K. & Ni, J. J. (2018). Effects of leaf and root characteristics on the ability of plant root water uptake. Géotechnique. Publish online. doi.org/10.1680/jgeot.16.p.332

9.     Ng, C.W.W., Mu, Q. Y. & Zhou, C. (2018). Effects of specimen preparation method on volume changes of clay under cyclic thermal loads.  Géotechnique. Publish online. doi.org/10.1680/jgeot.16.P.293

10.  Chen, X.W., Kang, Y., So, P.S., Ng, C.W.W. & Wong, M.H. (2018). Arbuscular mycorrhizal fungi increased the tensile strength of the root stele of vetiver grass. Plant and Soil. 1-11.

11.  Zhou, C. & Ng, C.W.W. (2018). A new thermo-mechanical model for structured soil. Géotechnique. Publish online. doi.org/10.1680/jgeot.17.T.031

12.  Cai, Q., Ng, C. W. W., Chen, X., Guo, L. & Shu, S. (2018). Effects of cementation on pore water pressure response during normal faulting in clay. Géotechnique Letters. Vol. 8, No. 1. Publish online. doi.org/10.1680/jgele.17.00160

13.   Ni, J. J., Leung, A. K. & Ng, C. W. W. (2018). Modelling soil suction changes due to mixed species planting. Ecological Engineering. Vol. 117, July, 1–17.

14.   Ng, C.W.W.; Cheng, Q. & Zhou, C. (2018). Thermal effects on yielding and wetting-induced collapse of recompacted and intact loess. Canadian Geotechnical Journal. Publish online. doi.org/10.1139/cgj-2017-0332.

15.  Ng, C.W.W., Tasnim, R., Coo, J. L. & Capobianco, V. (2018). Influence of soil nutrient on plant characteristics and hydraulic responses. Géotechnique Letters. Vol. 8, No. 1. Publish online. doi.org/10.1680/jgele.17.00104.

16.   Shakeel, M. & Ng, C. W.W. (2017). Settlement and load transfer mechanism of a pile group adjacent to a deep excavation in soft clay. Computers and Geotechnics. Vol. 96, 55-72.

17.   Koo, R.C.H., Kwan, J.S.H., Lam,  C., Choi, C.E., Ng, C.W.W., Yiu, J., Goodwin, G. R., Ho, K.K.S. &  Pun, W.K. (2017). Back-analysis of geophysical flows using 3-dimensional runout model. Canadian Geotechnical Journal. Publish online. doi.org/10.1139/cgj-2016-0578

18.  Ni, J.J., Leung, A.K., Ng, C.W.W. & Shao, W. (2018). Modelling hydro-mechanical reinforcements of plants to slope stability. Computers and Geotechnics. Vol. 95, 99-109.

19.  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. Canadian Geotechnical Journal.  No. 54, Vol.11, 1592-1600.

20.  Song, D., Choi, C. E. & Ng, C. W. W. (2017). Geophysical flows impacting a flexible barrier: effects of solid-fluid interaction. Landslides. Vol. 15, No. 1, 99-110.

21.  Choi, C. E., Cui, Y., Liu, L. H. D., Ng, C. W. W. & Lourenço, S. D. N. (2017). Impact mechanisms of granular flow against curved barriers. Géotechnique Letters, 7(4), 330-338.

22.  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. Canadian Geotechnical Journal. Vol. 54, No. 11, 1537-1552.

23.   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. Canadian Geotechnical Journal. Vol. 54, No. 9, 1346-1355.

24.   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. Canadian Geotechnical Journal. Vol. 54, No. 10, 1421-1434.

25.  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. Canadian Geotechnical Journal.  Vol. 54, No. 9, 1310-1319.

26.  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.  Science of the Total Environment. 599, 1954-1964.

27.  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. Waste Management, 68, 355-368.

28.   Zhou, C., Fong, K.Y. & Ng, C.W.W. (2017). A new bounding surface model for thermal cyclic behaviour. International Journal for Numerical and Analytical Methods in Geomechanics. Vol. 41, No. 16, 1656-1666.

29.   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. Géotechnique Letters, Vol. 7, No. 1, 79-89.

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

31.  Lv, Y., Ng, C.W.W., Lam, S.Y., Liu, H.L. & Ma, L. (2017). Geometric effects on piles in consolidating ground: centrifuge and numerical modelling. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. Vol. 143, No. 9, 04017040. Accepted.

32.   Ng, C. W. W., Mu, Q. Y.  & Zhou, C. (2017). Effects of boundary conditions on cyclic thermal strains of clay and sand. Géotechnique Letters, 7, No.1, 73–78.

33.  Zhou, C. , Ng, C. W. W.  & Wang, S. H. (2017). Modelling volume changes of sand under thermal loads: a preliminary attempt. Géotechnique Letters, 7, No.1, 68–72,

34.  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. Canadian Geotechnical Journal. Vol. 54, No. 6, 896-901.

35.  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.

36.   Ng, C. W. W., Choi, C. E., Goodwin, G. R., Cheung, W., Kwan, J.S.H., and Pun, W.K. (2017). Interaction between dry granular flow and deflectors. Landslides. Vol. 14, No. 4, 1375-1387.

37.  Ng, C. W.W., Wei, J., Poulos, H.G. & Liu H.L. (2017). Effects of multi-propped excavation on an adjacent floating pile. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. Vol. 143, No. 7, 04017021.

38.   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.

39.   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, No. 5, 690-699.

40.   Ng, C. W. W., Xie, M. & Leung, A. K. (2017). Removal of hydrogen sulfide using soil amended with ground granulated blast furnace slag. Journal of Environmental Engineering, ASCE. Vol. 143, No. 7, 04017016.

41.   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.

42.   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.

43.  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.

44.   Coo, J.L., So, P.S.Z & Ng, C.W.W. (2016). Effect of nanoparticles on the shrinkage properties of clay. Engineering Geology. Vol. 213, 84-88.

45.   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.

46.   Ng, C.W.W., Leung, A.K., Yu, R. & Kamchoom, V. (2017). Hydrological effects of live poles on transient seepage in an unsaturated soil slope: centrifuge and numerical study. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 143, No. 3, 04016106.

47.  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.

48.   Ng, C.W.W., Song, D., Choi, C.E., Liu, L.H.D., 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.

49.   Wong, J.T.F, Chen, Z.K, Chen, X.W., Ng, C.W.W. & Wong, M.H. (2017). Soil-water retention behavior of compacted biochar-amended clay: a novel landfill final cover material. Journal of Soils and Sediments. Vol. 17, No. 3, 590-598.

50.   Koo, R. C. H., Kwan, J. S. H., Ng, C. W. W., Lam, C., Choi, C. E. & Song, D. (2017). Velocity attenuation of debris flows and a new momentum-based load model for rigid barriers. Landslides. Vol. 14, No. 2, 617-629.

51.  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. Géotechnique Letters 6, No. 4, 267–274. Received the 2017 Telford Premium Award by the Institution of Civil Engineers, UK.

52.   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.

53.  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.

54.   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.

55.  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)

56.   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.

57.   Ng, C.W.W., Ma, Q. J. & Gunawan, A. (2016). Horizontal stress change of energy piles subjected to thermal cycles in sand. Computers and Geotechnics. Vol. 78, 54-61.

58.   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.

59.   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.

60.   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.

61.   Shi, J.W, Wang, Y. & Ng, C. W. W. (2016). Three-dimensional centrifuge modelling of ground and pipeline responses to tunnel excavation. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. Vol. 142, No. 11, 04016054.

62.   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.

63.   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. Vol. 6, No. 1, 106–111.

64.   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.

65.   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. Vol. 142, No. 10, 04016046.

66.   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. Vol. 75, 1-11.

67.   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.

68.   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.

69.   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, 04016007.

70.   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.

71.   Ng, C. W. W., Kamchoom, V. & Leung, A. K. (2016). Centrifuge modelling of the effects of root geometry on the transpiration-induced suction and stability of vegetated slopes. Landslides. Vol. 13, No. 5, 1-14.

72.   Leung, A.K. & Ng, C.W.W. (2016). Field investigation of deformation characteristics and stress mobilisation of a soil slope. Landslides, Vol. 13, No. 2, 229-240.

73.   Cai, Qipeng, Ng, C.W.W. & Hu, P. (2015). Boundary effects on ground surface rupture induced by normal faulting. Géotechnique Letters. Vol. 5, No. 3, 161-166.

74.   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.

75.   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.

76.   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. 

77.   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.

78.   Leung, A.K., Garg, A. & Ng, C.W.W. (2015). Effects of plant roots on soil-water retention and induced suction in vegetated soil. Engineering Geology. Vol. 193, 183-197.

79.   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, No. 8, 7111-7125.

80.   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. Vol. 14, No. 8, vzj2014.12.0180.

81.   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.

82.   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.

83.   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. Vol. 27, Issue 3, 490-499.

84.   Wong, J.T.F., Chen, Z.K., Ng, C.W.W, Wong, M.H. (2016). Gas permeability of biochar-amended clay: potential alternative landfill final cover material. Environmental Science and Pollution Research. Vol. 23, No. 8, 7126-7131.

85.   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.

86.   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.

87.   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.

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

89.   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.

90.   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. Recipant of the Hong Kong Institution of Engineers best Geotechnical Paper Award 2018.

91.   Hong, Y., Wang, J.P., Li, D.Q., Cao, Z.J., Ng, C.W.W. & Cui, P. (2015). Statistical and probabilistic analyses of impact pressure and discharge of debris flow from 139 events during 1961 and 2000 at Jiangjia Ravine, China. Engineering Geology. Vol. 187, 122-134.

92.   Ng, C. W. W.; Boonyarak, T. & Mašin, D. (2015). Effects of pillar depth and shielding on the interaction of crossing multitunnels. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. Vol. 141, No. 6, 04015021-1-12.

93.   Ng, C.W.W., Shi, C., Gunawan, A., Laloui, L. & Liu, H.L. (2015). Centrifuge modelling of heating effects on energy pile performance in saturated sand. Canadian Geotechnical Journal, Vol. 52, No. 8, 1045-1057.

94.   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.

95.   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. 

96.   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.

97.   Ng, C.W.W., Feng, S., & 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.

98.   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.

99.   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.

100.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.

 
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