Educational History  

Doctor of Philosophy in Geotechnical Engineering, 1997

Saga University, Saga, Japan 

Master of Science in Geotechnical Engineering, 1986

Hohai University, Nanjing, P.R. China 

Bachelor of Science in Civil Engineering, 1983

Hohai University, Nanjing, P.R. China

Professional Experience

August 2002 to Present

Southeast University, P.R. China, Professor 

September 2001 to August 2002

University of Colorado, Colorado, USA.. 

Responsible for performing case studies of geosyhthetic-reinforced soil bridge-supporting structures, and evaluating various design methods and construction guidelines for geosyhthetic-reinforced soil retaining walls. 

January 1999 to September 2001

Port and Harbor Research Institute, Ministry of Transport of Japan, Yokosuka, Japan. Research Fellow/Science and Technology Scientist.

Responsibilities included development and application of light-weight geomaterials made of waste soils, application of cement-treated soil in coastal regions, developing method for assessing the mechanical behavior of natural soils. The light-weight technology was used for several ports in Japan. The analysis on in-situ data and research on microstructure and mechanical behavior of Pleistocene clays were valuable for explaining the large foundation deformation occurred at Kansai International Airport. Key project experience has involved:

¡       Mix Proportion Design for Light-Weight Geomaterials from Waste Soil (such as dredged soil), Additive Light-Weight Agent (such as air foams and expanded polystyrol) and Cement.

¡       Material Properties of Light-Weight Treated Soils, Including Flow Value, Unit Weight and Undrained Strength under Various Conditions.

¡       Evaluation of Washout Resistance When Placing Underwater.

¡       Field Full-Scale Experiments of Light-Weight Geomaterials.

¡       Application of Light-Weight Geomaterials as Backfill of Quay Wall.

¡       Cement-Treated Soils Made of Dredged Soil.

¡       Developing Method for Assessing Transporting Pressure for Pushing Cement-Treated Soils through Pipes.

¡       Developing Method for Assessing Mechanical Behavior of Natural Soils. 

April 1997 to December 1998

Saga University, Saga, Japan. Assistant Professor.

Expertise included ground improvement of soft sensitive Ariake clays widely deposited in Kyushu Island of Japan and stabilization of a high-water content diatom earth in mountain areas of Ohita Prefecture in Japan. Key project experience has involved:

¡       Ground Improvement of Soft Sensitive Clays.

¡       Stabilization of Diatom Earth with Quicklime.

¡       Collapsible Behavior of Diatom Earth. 

October 1991 to March 1997

Saga University, Saga, Japan. Research Associate.

Expertise included in-situ and laboratory soil testing, stabilization and improvement of problematic soils, model slope testing and stability analysis, application of timber pile in soft clay, electro-osmosis consolidation, compaction of gravelly soils, and microstructure and mechanical behavior of natural deposited soils. Key project experience has involved:

¡       Developing Methods of Determining Degree of Sample Disturbance and Correcting Design Parameters of Soft Clays for Sample Disturbance.

¡       Developing Simple Equation for Determining Undrained Strength of Remolded Soils.

¡       Developing Simple Method for Determining Consolidation Yield Stress and Compression Index of Natural Sensitive Clays.

¡       Investigating Skin Friction of Timber Pile in Soft Ground.

¡       Microstructure of Natural Soils.

¡       Relationship between Mechanical Behavior and Microstructure of Natural Soils. 

June 1986 to September 1991

Hohai University, Nanjing, P.R. China, Geotechnical Engineering Institute (July 1989 to June 1990, Kansai University, Osaka, Japan, Joint Researcher).

Responsible for designing computation method and developing a large-scale SW program for two & three dimensional dynamic analysis, and successfully applying the program in a large scale earth & rock fill dam  (Xiao-Lang-Di) that was built in the middle of Yellow River, P.R. China. Also responsible for designing and performing field and laboratory tests for soft reclaimed sites at several major ports in P.R. China. Key project experience has involved: