BRIEF BIOGRAPHY:
Kohji Tokimatsu is a professor, Department of Architecture and Building
Engineering, Tokyo Institute of Technology. He received a Doctor of
Engineering degree in 1979 from Tokyo Institute of Technology.
He was a research associate of the university from 1980-1986, a visiting scholar with Professor
H. Bolton Seed, University of California, Berkeley, from 1982-1984, and promoted to an
associate professor and a professor of the department in 1986 and 1993, respectively.
Professor Tokimatsu's research has been mainly in geotechnical earthquake engineering with
emphases on liquefaction and its remediation, seismic soil-pile-structure interaction, and
geophysical exploration using surface waves including microtremors for site characterization.
His research has involved: advanced dynamic testing of soils in the laboratory and in-situ;
dynamic full-scale and centrifuge shaking table studies on soil-pile-structure systems and their
remediation; field studies of sites damaged during recent earthquakes; as well as various
problems related to building foundation. His major awards include prizes for outstanding
technical papers from Japanese Geotechnical Society in 1988 and Architecture Institute of
Japan in 2003.
EDUCATION:
Ph. D. in Environmental Engineering, Tokyo Institute of Technology, 1979
M.S. in Environmental Engineering, Tokyo Institute of Technology, 1976
B.S. in Architecture and Building Engineering, Tokyo Institute of Technology, 1974
POSITION HELD:
Professor, Department of Architecture and Building Engineering, Tokyo Institute of Technology,
O-okayama, Tokyo, 1993-present
Visiting Researcher, National Research Institute for Earth Science and Natural Disaster,
Tsukuba, 2002-present
Visiting Professor, University of Alberta, Edmonton, 1996
Associate Professor, Tokyo Institute of Technology, O-okayama, Tokyo, 1986-1993
Research Associate, Tokyo Institute of Technology, O-okayama, Tokyo, 1981-1986
Visiting Scholar, University of California, Berkeley, 1982-1984
Post Doctoral Fellowship for Reserach Abroad, Japan Society for the Promotion of Science,
1982-1984
Research Associate, Earthquake Engineering, Department of Environmental Engineering,
Tokyo Institute of Technology, Nagatsuda, Yokohama, 1980-1981
Post Doctoral Fellow, Japan Society for the Promotion of Science, 1979-1980
PROFESSIONAL AFFILIATIONS:
Member, The Japanese Geotechnical Society
Member, Architectural Institute of Japan
Member, Japan Society of Civil Engineers
Member, American Society of Civil Engineers
Member, Seismological Society of America
Member, Earthquake Engineering Research Institute
Member, Japanese Association for Earthquake Engineering
MAJOR PROFFESIONAL SERVICE AND ASSINGNMENTS:
Editor-in-Chief, Soils and Foundations, Japanese Geotechnical Society (JGS), (2002-2005)
PRINCIPAL CONTRIBUTIONS TO GEOTECHNICAL EARTHQUAKE ENGINEERING:
(1) Geophysical Site Characterization
(2) Seismic Hazard Evaluation using Microtremors
(3) Dynamic Soil-Pile-Structure Interaction in Soft Soils
(4) Understanding Dynamic Soil Properties
(5) Liquefaction Evaluation Procedure and Remedial Measures
(6) Performance-Based Design of Building Foundation
AWARDS:
Prize for Science and Technology (Research Category), the Commendation by the Minister of
Education, Culture, Sports, Science and Technology (MEXT) (2009)
Nikkei BP Technology Award (2008)
Thomas A. Middlebrooks Award, ASCE (2006)
Japanese Geotechnical Society Award for Best Research Paper (2006)AIJ Award for Best
Research Paper, Architecture Institute of Japan (2003)
Japanese Geotechnical Society Award for Best Research Paper (1988)
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