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－　　－10Tadashi ABEProfessor, Department of Civil EngineeringTadashi Abe is a Professor with the College of Industrial Technology, Nihon University. He was born in Iwate, Japan on May 16, 1948. Dr. Abe received his Bachelor of Engineering in 1972 and Doctorate of Engineering in 2004 from Nihon University. He specializes in the study of structural engineering, bridge engineering and maintenance management engineering, having authored a number of technical papers. Dr. Abe is a member of JSCE, JSMS and JCI. His main research themes are: (1) study of the evaluation of load carrying capacity and fatigue resistance of RC slabs for highway bridges; (2) effects of load uctuation on fatigue resistance of RC slabs; (3) development of replacement slabs for damaged RC slabs; (4) evaluation of fatigue resistance of SFRC pavement technology with low shrinkage type mixture material for orthotropic steel decks and RC slabs; (5) development of cement materials and repair/reinforcement technologies for damaged RC slabs; and (6) study of columnar compressive strength of concrete members and clack diagnosis technology for concrete structures using small diameter core drilling. Research Achievements1)Evaluation of Consistency with Punching Shear Load-Carrying Capacity and S-N Curve of Running Wheel Fatigue Test Results on Highway Bridge RC-Deck Slabs, Journal of Advanced Concrete Technology, Japan Concrete Institute, Vol.30, pp.1-10, 2019.12)Evaluation of fatigue durability of RC slabs impact of vibration load for dierence in level of expansion joint, Journal of Structural Engineering. A, Vol.64A, pp.530-1540, 20183)Verification of reinforcing technique and strengthening effect of Box Culvert using Metal-Grid expanded type, Journal of Cement Science and Concrete Technology, Vol.71,pp.540-547,20184)Experimental study on evaluation of the fatigue resistance of SFRC slabs which blended steel ber in the ordinary Portland cement, Journal of Structural Engineering. A, Vol.63A, pp.1253-1262, 20175)Decreasing Effect of Stress in Orthotropic Steel Decks by SFRC Pavement with Ordinary Portland Cement and low shrinkage Type Mixture Material, Journal of JSCE (E1), Vol.71, No.2, pp.47-62, 2015(1) RC slab(2) Orthotropic steel deckPhoto 1　Fatigue experiment on highway bridge slabs by vibration examination device(3) UFC slab