HIROSHI TAGAWA

Last Updated :2024/03/01

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
Web Site
E-mail
htagawahiroshima-u.ac.jp
Self-introduction
The main research area is the building structures, especially steel buildings. The research topics include the development of vibration control systems, beam-and-column connections, earthquake-resistant bracings, seismic response analysis, seismic design, seismic retrofit of structures, and so on.

Basic Information

Major Professional Backgrounds

  • 2012/08, Hiroshima University, Professor
  • 2001/10, 2012/07, Nagoya University, Associate Professor
  • 1996/06, 2001/09, Kyoto University, Research Associate
  • 2000/03, 2001/02, Georgia Institute of Technology, Visiting Assistant Professor

Educational Backgrounds

  • Kyoto University, Graduate School, Division of Engineering, Department of Architecture, Japan, 1994/04, 1996/05
  • Kyoto University, Graduate School, Division of Engineering, Department of Architecture, Japan, 1992/04, 1994/03
  • Kyoto University, Faculty of Engineering, Japan, 1988/04, 1992/03

Academic Degrees

  • Doctor of Engineering, Kyoto University

Educational Activity

  • [Bachelor Degree Program] School of Engineering : Cluster 4(Civil Engineering and Architecture) : Program of Architecture and Building Engineering
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Architecture Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Architecture Program

In Charge of Primary Major Programs

  • Architecture and Building Engineering

Research Fields

  • Engineering;Architecture and building engineering;Building structures / Materials

Research Keywords

  • building structure
  • steel structure
  • seismic design
  • connection
  • vibration control system

Affiliated Academic Societies

  • Architectural Institute of Japan (AIJ)
  • Japan Association for Earthquake Engineering (JAEE)
  • Japan Society of Steel Construction (JSSC)
  • Japan Society of Seismic Isolation

Educational Activity

Course in Charge

  1. 2023, Undergraduate Education, Second Semester, Architectural Project and Drawing II
  2. 2023, Undergraduate Education, 3Term, Design Concepts of Steel Structures
  3. 2023, Undergraduate Education, 4Term, Geotechnical and Architectural Foundation Engineering
  4. 2023, Undergraduate Education, 4Term, Earthquake Resistant Structures
  5. 2023, Undergraduate Education, 2Term, Structural Design
  6. 2023, Undergraduate Education, 1Term, Design of Steel Structures
  7. 2023, Undergraduate Education, 3Term, Peace Urbanism and Architecture
  8. 2023, Undergraduate Education, 4Term, Ethics of Architecture
  9. 2023, Graduate Education (Master's Program) , 1Term, Special Exercises on Architecture A
  10. 2023, Graduate Education (Master's Program) , 2Term, Special Exercises on Architecture A
  11. 2023, Graduate Education (Master's Program) , 3Term, Special Exercises on Architecture B
  12. 2023, Graduate Education (Master's Program) , 4Term, Special Exercises on Architecture B
  13. 2023, Graduate Education (Master's Program) , Academic Year, Special Study on Architecture
  14. 2023, Graduate Education (Master's Program) , 1Term, Advanced Design of Steel Structures
  15. 2023, Graduate Education (Master's Program) , 3Term, Practice of Structural Design for Steel Structures
  16. 2023, Graduate Education (Doctoral Program) , Academic Year, Special Study on Architecture
  17. 2023, Graduate Education (Doctoral Program) , Academic Year, Special Study on Architecture

Research Activities

Academic Papers

  1. Beam-to-column connection with double-stage yield buckling-restrained steel bar dampers, Journal of Constructional Steel Research, 212(108278), 1-18, 202401
  2. Seismic performance of steel structures with seesaw-twisting system using cylindrical steel slit damper, Structures, 58(105422), 202312
  3. Buckling-restrained brace with multiple steel bar cores using SHS outer tube, Journal of Constructional Steel Research, 211(108175), 1-16, 202312
  4. Seesaw-arm energy dissipation system with U-shaped steel dampers, Structures, 57(105143), 1-16, 202311
  5. Seesaw-twisting system with cylindrical steel slit damper for vibration control of structures, Structures, 50, 1376-1390, 202304
  6. Seismic performance of rocking-delayed spine frame system with base initial gaps, Earthquake Engineering and Resilience, 2(1), 131-157, 202303
  7. Experimental study on slender buckling-restrained knee braces with round steel bar cores, Frontiers of Structural and Civil Engineering, 17, 99-121, 202301
  8. Study on buckling-restrained braces using multiple round steel core bars, Journal of Constructional Steel Research, 199(107573), 1-14, 202212
  9. Seismic performance of steel frame structure adopting parallel spine frames with elastic braces, Engineering Structures, 267(114640), 1-17, 202209
  10. Compressive performance of circular hollow section brace with eccentrically installed rib-stiffened splice plates, Bulletin of Earthquake Engineering, 20(8), 3801-3820, 202206
  11. Steel rigid beam-to-column connections strengthened by buckling-restrained knee braces using round steel core bar dampers, Engineering Structures, 250(113431), 202201
  12. Super elastic system using parallel spine frames with steel braces, Earthquake Engineering and Structural Dynamics, 50(3), 974-994, 202103
  13. Buckling-restrained steel bar damper for spine frame system, Engineering Structures, 229(111593), 202102
  14. Earthquake early warning-enabled smart base isolation system, Automation in Construction, 115, 202007
  15. Bolted beam-to-column connection with buckling-restrained round steel bar dampers, Journal of Constructional Steel Research, 169(106036), 1-11, 202006
  16. Buckling-restrained brace using round steel bar cores restrained by inner round steel tubes and outer square steel tube, Engineering Structures, 197(109379), 1-15, 201910
  17. Bolted connections for non-intersecting H-section beam and column in steel moment frames, Journal of Civil Engineering and Management, 25(5), 460-476, 201905
  18. A smart mechatronic base isolation system using earthquake early warning, Soil Dynamics and Earthquake Engineering, 119, 299-307, 201904
  19. Eccentric installation of splice plates for compressive strength improvement of rectangular hollow section braces, Bulletin of Earthquake Engineering, 16(11), 5489-5502, 201811
  20. Application of round steel bar cores and simplified end-couplers to buckling-restrained braces, Proceedings of the seventh Asia Conference on Earthquake Engineering, Bangkok, Thailand,USB-ACEE0053, 201811
  21. Cyclic performance of buckling-restrained knee brace damper with U-shaped holes, Proceedings of the seventh Asia Conference on Earthquake Engineering, Bangkok, Thailand,USB-ACEE0047, 201811
  22. Prevention of story drift amplification in a 20-story steel frame structure by tension-rod displacement–restraint bracing, The Structural Design of Tall and Special Buildings, 27(2)(e1411), 1-16, 201802
  23. Characteristics of Seesaw System for Vibration Control of Structures, Proceedings of 4th world congress and exhibition on construction and steel structure, Atlanta, USA, 201710
  24. Comparison between experimental and analytical results for seesaw energy dissipation systems using fluid viscous dampers, Earthquake Engineering and Engineering Vibration, 15(1), 79-90, 201603
  25. Cyclic behavior of seesaw energy dissipation system with steel slit dampers, Journal of Constructional Steel Research, 117, 24-34, 201602
  26. Stiffening of bolted end-plate connections with steel member assemblies, Journal of Constructional Steel Research, 103, 190-199, 201412
  27. Experimental evaluation of dynamic characteristics of seesaw energy dissipation system for vibration control of structures, Earthquake Engineering & Structural Dynamics, 43(12), 1889-1895, 201410
  28. Seismic performance of steel structures with seesaw energy dissipation system using fluid viscous dampers, Engineering Structures, 56, 431-442, 201311
  29. Seismic response of steel structures with seesaw systems using viscoelastic dampers, Earthquake Engineering & Structural Dynamics, 42(5), 779-794, 201304
  30. Evaluation of vibration control system with U-dampers based on quasi-linear motion mechanism, Journal of Constructional Steel Research, 70, 213-225, 201203
  31. Shape optimization of reduced beam section under cyclic loads, Journal of Constructional Steel Research, 65(7), 1511-1519, 200907
  32. Displacement-restraint Bracing for Seismic Retrofit of Steel Moment Frames, Journal of Constructional Steel Research, 65(5), 1096-1104, 200905
  33. Shape optimization of H-beam flange for maximum plastic energy dissipation, J. Struct. Eng., ASCE, 133(8), 1176-1179, 200708
  34. Application of steel channels as stiffeners in bolted moment connections, Journal of Constructional Steel Research, 61(12), 1650-1671, 200512
  35. Criteria for suppression of deformation concentration of building frames under severe earthquakes, Engineering Structures, 20(4-6), 372-383, 199804

Publications such as books

  1. Steel Structure, 3rd Edition, 2023, 6月, Joint work, 978-4-627-55193-0, 273

Patented

  1. Patent, 7164129, 2022/10/24