First International Workshop on
Role of Microorganism and Thermo-Hydro-Chemico-Mechanical Processin Geoengineering and Geoscience
ORGANIZED BY

University of the Ryukyus (Faculty of Engineering)

Japanese Society for Rock Mechanics of International Society for Rock Mechanics (Jointly organized)

ORGANIZING COMMITTEE
Chairperson

Prof. Dr. Ömer AYDAN, University of the Ryukyus

Secretary General

Prof. Dr. Hitoshi MATSUBARA, University of the Ryukyus

Honorary Chairperson
Members

Prof. Dr. Yasunori ARIZUMI, University of the Ryukyus

Prof. Dr. Naoya SHINZATO, University of the Ryukyus

Prof. Dr. Shinya NOZAKI, University of the Ryukyus

Prof. Dr. Shinya NAKAMURA, University of the Ryukyus

Prof. Dr. Tomohiro TOKI, University of the Ryukyus

INTERNATIONAL SCIENTIFIC AND ADVISORY COMMITTEE
Dr. Eda Quadros, ISRM President, Brazil

Prof. Dr. T. Kyoya, Tohoku University, Sendai, Japan

Prof. Dr. N. Shimizu, Yamaguchi University, Japan, ISRM Vice-President at large
Prof. Dr. H. Yasuhara, Ehime University, Matsuyama, Japan

Prof. Dr. H. Kumsar, Pamukkale University, Denizli, Turkey

Prof. Dr. M. Ekmekçi, Hacettepe University, Ankara, Turkey
Dr. P. Vaskou, Geostock SAS, France

Prof. Dr. U. Ozbay, Colorado School of Mines, Golden, USA

Prof. Dr. M. Sharifzadeh, Curtin University, Kalgoorlie, Australia

Prof. Dr. P. Nawrocki, The Petroleum Institute, Abu Dhabi, UAE

DATE & VENUE

20, March, 2017

50th Anniversary Memorial Hall of University of the Ryukyus

OBJECTIVES(1) To enhance the collaboration of researchers on understanding the role of micro-organisms andthermo-hydro-chemico-mechanical processes in Geoscience and Geoengineering,(2) To enhance the skills of researchers in the fields of Geomicrobiology and Geomechanics, and to exchange

the mutual understanding of Geoenvironmental, Geomicrobial and Geochemical processes in Geosphericalenvironment.

(3) To extend our knowledge in theoretical, experimental, computational and field-based approaches in theresearches of Geomicrobiology in engineering and sciences.

(4) To enhance an international research/educational collaboration between University of the Ryukyus andTurkish Universities and others.

KEYNOTE SPEAKERS

Overseas Invited Speakers
Prof. Dr. Reşat ULUSAY

Dept. of Geological Engineering, Hacettepe University, Ankara, TURKEY (ISRM CTM Chairman)

The role of thermo-hydro-chemico-mechanical processes on the deterioration of antique settlements inCappadocia and recent sinkhole formations in Turkey
R. Ulusay and M. EkmekciProf. Dr. Halil KUMSAR (Former Vice-President of Pamukkale University)

Dept. of Geological Engineering, Pamukkale University, Denizli, TURKEY

The role of thermo-hydro-chemico-mechanical processes in geomorphologic structures in Pamukkale(Turkey) and some recent sinkhole formation in its close vicinity (KAKLIK Cave)
H. Kumsar, M. Özkul, A. Gökgöz, and A. C. Özkan

National Invited Speakers
Prof. Dr. Shunsuke SAKURAI (Former ISRM President)

Emeritus Professor of Kobe University, Emeritus Professor of Hiroshima Institute of Technology
Is the failure of rock masses caused by microorganisms?
Shunsuke Sakurai

Prof. Dr. Koji KAKUGAWA

Hiroshima Institute of Technology, Hiroshima, JAPANMicrobial community analysis of hillsides where debris-flow hazards occurred
Koji Kakugawa, Tanehiro Futagami, and Shunsuke Sakurai

Prof. Dr. Satoru KAWASAKIDivision of Geoenvironmental Engineering, Faculty of Engineering, Hokkaido University, Sapporo, JAPANDevelopment of novel coastal conservation technology learned from beachrock formation mechanism
Satoru Kawasaki

SPEAKERS (University of the Ryukyus)
Prof. Dr. Ömer AYDAN* and Dr. Naohiko TOKASHIKI

Dept. of Civil Engineering and Architectures, Faculty of Engineering,*Honorary Professor of Pamukkale University

Some empirical guidelines on the stability of karstic caves based on Rock Mass Quality Rating (RMQR)
classification system

Ö. Aydan, N. Tokashiki, Halil Kumsar, and Melih Geniş



Dr. Naohiko TOKASHIKI and Prof. Dr. Ömer AYDAN*

Dept. of Civil Engineering and Architectures, Faculty of Engineering*Honorary Professor of Pamukkale University

The stability assessment of cliffs of Ryukyu Limestone in Ryukyu Archipelago from rock mechanics
perspective

N. Tokashiki and Ö. Aydan

Prof. Dr. Shinya NAKAMURA

Dept. of Regional Agricultural Engineering, Faculty of Agriculture
Associate Prof. Dr. Shinya NOZAKI

Dept. of Electrical and Electronic Engineering, Faculty of Engineering

Preliminary Report on an Investigation of Air-Filled Cavities in Limestone Areas of Okinawa withGround Penetrating RadarS. Nakamura, S. Nozaki, and H. Matsubara

Associate Prof. Dr. Tomohiro TOKI

Dept. of Chemistry, Biology and Marine Science, Faculty of Science
Edifices on Deep-Seafloor
Tomohiro Toki

Associate Prof. Dr. Naoya SHINZATO
Tropical Biosphere Research Center

Evaluation of DNA extraction methods for comprehensive microbial community analysis in rock andsoil samples

Naoya Shinzatoa, Ryoma Iwasaki, and Hitoshi Matsubara

Associate Prof. Dr. Hitoshi MATSUBARA

Dept. of Civil Engineering and Architectures, Faculty of Engineering

Potential of modeling and simulation by reaction-diffusion system for geo-materials
Hitoshi Matsubara and Ryogo Kawakami

TENTATIVE PROGRAM
9:50 – 10:00 Opening
Part I

10:00 – 10:40 Keynote Lecture 1

Prof. Dr. Yasunori ARIZUMIProf. Dr. Reşat ULUSAY

10:40 – 11:20 Keynote Lecture 2

Prof. Dr. Halil KUMSAR

12:00 – 12:30 Keynote Lecture 4

Prof. Dr. Koji KAKUGAWA

11:30 – 12:00 Keynote Lecture 3

12:30 – 13:00 Keynote Lecture 5

Part II

Prof. Dr. Shunsuke SAKURAI
Prof. Dr. Satoru KAWASAKI

14:30 – 14:55 Lecture 1

Prof. Dr. Ömer AYDAN

15:20 – 15:45 Lecture 3

Prof. Dr. Shinya NAKAMURA and Shinya NOZAKI

16:15 – 16:40 Lecture 5

Prof. Dr. Naoya SHINZATO

14:55 – 15:20 Lecture 2

15:50 – 16:15 Lecture 4
16:40 – 17:05 Lecture 6
17:05 – 17:15 Closing

Prof. Dr. Naohiko TOKASHIKI

Prof. Dr. Tomohiro TOKI

Prof. Dr. Hitoshi MATSUBARA
Prof. Dr. Ömer AYDAN