Associate Professor (Geotechnical Engineering)   Dr. J. YANG   BEng, Zhejiang University, China PhD, Zhejiang University, China PhD, Kyoto University, Japan MASCE, MJGS, MISSMGE   Office:      HW 6-25 Phone:     +852 2241 5273 Fax:         +852 2559 5337 E-mail:    junyang@hku.hk Homepage:   http://web.hku.hk/~junyang/

 

Teaching Activities

• CIVL 2001 Engineering Design and Communication
• CIVL 2002 Engineering Geology and Rock Mechanics
• CIVL 3023 Inter-disciplinary Design Project
• CIVL 6004 Advanced Soil Mechanics
• CIVL 6027 Foundation Engineering

 

Research Interests

• Site response and earthquake ground motion
• Seismic effects on geotechnical structures
• Geomaterial behaviour and constitutive modelling
• Soil-structure interaction
• Mechanism and evaluation of soil liquefaction
• Micromechanics and discrete element modelling

 

Representative Research / Consultancy Projects

• Identification of dynamic soil-structure interaction effects on soil liquefaction, Research Grants Council of Hong Kong (RGC/CERG)
• Vertical site response and its effect on retaining structures, Research Grants Council of Hong Kong (RGC/CERG)
• Load settlement behaviour of piles in sandy soil, Research Grants Council of Hong Kong (Germany-Hong Kong Joint Research Scheme)
• A new method for analysis of bearing capacity of displacement piles in sandy soil, University Research Committee
• A study of ground motion coupling effects at liquefiable sites, Alexander von Humboldt Foundation, Germany

 

Representative Publications

1. Yang, J. (2006). "Influence zone for end bearing of piles in sand." Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 132(9), 1229-1237.
2. Yang, J. (2006). "Frequency-dependent amplification of unsaturated surface soil layer." Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 132(4), 526-531.
3. Yang, J., Tham, L.G., Lee, P.K.K., Chan, S.T., and Yu, F. (2006). "Behaviour of jacked and driven H-piles in sandy soil." Géotechnique, 56(4), 245-259.
4. Yang, J. (2005). "Pore pressure coefficient for soil and rock and its relation to compression wave velocity." Géotechnique, 55(3), 251-256.
5. Yang, J. (2004). "Reappraisal of vertical motion effects on soil liquefaction." Géotechnique, 54(10), 671-676.
6. Yang, J., Savidis, S., and Roemer, M. (2004). "Evaluating liquefaction strength of partially saturated sand." Journal of Geotechnical and Geoenvironmental Engineering , ASCE, 130(9), 975-979.
7. Yang, J., and Li, X.S. (2004). "State-dependent strength of sands from the perspective of unified modeling." Journal of Geotechnical and Geoenvironmental Engineering , ASCE, 130(2), 186-198.
8. Yang, J. (2002). "Saturation effects of soil on ground motion at free surface due to incident SV waves." Journal of Engineering Mechanics, ASCE, 128(12), 1295-1303.
9. Yang, J. (2002). "Non-uniqueness of flow liquefaction line for loose sand." Géotechnique, 52(10), 757-760; Reply to discussion, 54(1), 66-68.
10. Yang, J., and Sato, T. (2000). "Interpretation of seismic vertical amplification observed at an array site." Bulletin of the Seismological Society of America, 90(2), 275-285.