Researcher Database

（Last updated : 2022-05-19 10:40:03）

KAWASAKI Yuma

Department / Course College of Science and Engineering Department of Civil and Environmental Engineering

Title / Position Associate Professor

Other Affiliations
1.	Kinugasa Research Organization Institute of Disaster Mitigation for Urban Cultural Heritage
2.	Research Organization of Science and Technology Frontier Research Center for Natural Disaster Mitigation
3.	Graduate School of Science and Engineering

Academic background
1.	2012/03 Degree Acquisition	│ Kumamoto University Ph.D. (Engineering)
2.	～2012/03	Doctoral Program (2nd Semester) │ Graduate School, Division of National Science and Technology (except Gakushuin University, Konan University) │ Kumamoto University │ Completed

Business career
1.	2012/04/01 ～ 2016/03/31	Assistant Professor │ │ Ritsumeikan University,

Committee and society
1.	2013 ～ 2016	RILEM TC239"On-site measurement of concrete and masonry structures by visualized NDT

Research activities
1.		RILEM(International Union of Laboratories and Experts in Construction Materials, Systems and Structures,国際材料構造試験研究機関・専門家連合)
2.		KANSAI ROAD STUDY ASSOCIATION
3.		Japan Society of Civil Engineers
4.		Japan Concrete Institute
5.		Japan Association for Earthquake Engineering
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Subject of research
1.	Building of Damage Evaluation Method for RC Subject to Steel Corrosion by Monitoring with AE Technology
2.	Challenge to Method of Nondestructive Evaluation of Laminated Rubber Bearing by Using AE Technology
3.	Damage Evaluation Method for RC Bridge Retainer Reinforced with Steel Sheet by Using Nondestructive Test Method
4.	Development of Method of Hybrid Nondestructive Examination of RC Member Subject to Steel Corrosion
5.	Study on Effect of Water Quality Improvement by Porous Concrete
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Research summary
Study for maintenance and management of social infrastructure, and for disaster prevention Many social infrastructures exist in our country, and many of them are due for renewal in a number of decades. In view of the state of finance and shortage of manpower, maintaining and managing all these structures will prove to be very difficult. This is where non-destructive testing is drawing attention. Non-destructive testing (NDT) is a method to inspect for damages without damaging the structure. There are various NDT methods, and this study uses a method known as Acoustic Emission (AE). By applying the AE method onto various materials and components, the elucidation of their fracture mechanisms and the grasping of their soundness are evaluated. Furthermore, development of a “hybrid NDT method” will be conducted, using the merits, not only of AE, but of various other NDT methods.

Present specialized field
Civil engineering materials/ Construction/ Construction management (Keyword：Concrete Material, Stractural Concrete, Non-Destructive testing)

Books
1.	2020/10	Acoustic Emission and Related Non-Destructive Evaluation Techniques in the Fracture Mechanics of Concrete 2nd Edition │ (Co-authored)
2.	2016/06	Innovative AE and NDT Techniques for On-Site Measurement of Concrete and Masonry Structures │ ,pp.133-156 (Co-authored)
3.	2015/04	Acoustic Emission (AE) and Related Non-Destructive Evaluation (NDE) Techniques in the Fracture Mechanics of Concrete │ ,pp.57-76 (Co-authored)

Papers
1.	2021/04	AE source location of debonding steel-rod inserted and adhered inside rubber │ Journal of Construction and Building Materials │ 279,pp.1-10 (Co-authored)
2.	2020/10	EVALUATION OF INITIATION STAGE OF REBAR CORROSION IN RC USING ACOUSTIC EMISSION │ Proceedings of ConMat'20 │ ,pp.1913-1923 (Co-authored)
3.	2020/09	SEISMIC RUBBER BEARING DAMAGE DETECTION USING ELASTIC WAVE PROPAGATION METHOD │ Proceedings of 17WCEE │ 2d-0024 (Co-authored)
4.	2020/08	POROSITY AT EACH DEPTH IN POROUS CONCRETE DUE TO PASTE DRAW-DOWN │ Proceedings of ConMat'20 │ ,pp.533-543 (Co-authored)
5.	2020/07	Failure-mode analysis of macro-synthetic and hybrid fibre-reinforced concrete beams with GFRP bars using acoustic emission technique │ Journal of Construction and Building Materials │ 249 (20),pp.1-12 (Co-authored)
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Academic conference presentation
1.	2018/11/06	Application of Quality Evaluation of Porous Concrete by RI Method to On-site Construction and Research on Effective Measuring Range (The 8th International Conference of Asian Concrete Federation (ACF2018))
2.	2018/11/06	Evaluation of Rebar Corrosion without Oxide Film in concrete Using Acoustic Emission and Half-cell Potential Methods (The 8th International Conference of Asian Concrete Federation (ACF2018))
3.	2018/08/15	Acoustic Characteristics of Enclosure using Cementitious Materials (4th World Congress on Materials Science & Engineering)
4.	2018/08/15	Mechanical Properties of Sediment Mortar from Lake BIWA (4th World Congress on Materials Science & Engineering)
5.	2018/08/15	Study on Damage location analysis of Laminated Rubber Bearing using AE method under Cyclic Compression Loading (4th World Congress on Materials Science & Engineering)
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Winning science prize
1.	2012/05	AEWG Student Award
2.	2012/03	熊本大学熊本大学大学院自然科学研究科長賞受賞（平成24年度博士後期課程修了時）
3.	2010/06	Structual Faults & Repair 2010 NDT Award