• Professional Career

2005 – 2013　 OYO Corporation
2013 - ? ? ? ? ? ? Building Research Institute
2020 - ? ? ? ? ? ? National Graduate Institute for Policy Studies

　

• Selected publications

<Journal Articles>
Kaneshiro, Y., T. Ueki, T. Hasegawa, H. Nakagawa, & H. Kamura, "Seismic Safety Evaluation of Steel Buildings by Energy Balance Method Considering Effect of Cyclic Deformation of Beam-End Connections", J. Struct. Constr. Eng., AIJ, Vol. 87, No. 802, pp. 1237-1246, 2022 (in Japanese with English abstract)

　

Iyama, J., Y. Fukushima, T. Hasegawa, H. Nakagawa & Y. Kaneshiro, "Detection of Beam-end Fractures in Steel Members Based on Local Stiffness Calculated by Strain Response", Engineering Structures, Elsevier, Vol. 241, 112419, 10pp., 2021

　

Kashima, T., S. Koyama & H. Nakagawa, "Re-Digitization of Strong Motion Data Recorded by SMAC-M Accelerographs", J. Japan Assoc. for Earthq. Eng., Vol. 21, No. 1, pp. 25-45, 2021 (in Japanese with English abstract)

　

Morita, K., T. Hasegawa & H. Nakagawa, "Damage Detection Method for Steel Buildings Based on Acceleration Integration and Low Cycle Fatigue Curve Applied to Shaking Table Data", AIJ J. Technol. Des., Vol. 26, No. 64, pp. 957-961, 2020 (in Japanese with English abstract)

　

Kashima, T. & H. Nakagawa, "Fluctuation Factors in Dynamic Characteristics of a Six-Story Wooden Framing Building", J. Struct. Constr. Eng., AIJ, Vol. 84, No. 763, pp. 1199-1205, 2019 (in Japanese with English abstract)

　

Satoh, T., H. Nakagawa, S. Koyama, T. Sato & M. Tohdo, "Long-Period and Long-Duration Ground Motion Prediction Equations for Earthquakes along the Sagami Trough based on Strong Motion Records", J. Struct. Constr. Eng., AIJ, Vol. 84, No. 758, pp. 501-511, 2019 (in Japanese with English abstract)

　

Kashiwa, H., H. Arai & H. Nakagawa, "Soil-Structure Interaction Effects on Strong Motion Records at Mashiki Town Office during the 2016 Kumamoto Earthquakes", J. Struct. Constr. Eng., AIJ, Vol. 84, No. 756, pp. 183-193, 2019 (in Japanese with English abstract)

　

Ito, M., Y. Otsuka, M. Kutsuzawa, H. Nakagawa & H. Hiraishi, "Reduction Factor of Total Input Energy for Long-Period Ground Motions", AIJ J. Technol. Des., Vol. 25, No. 59, pp. 79-83, 2019 (in Japanese with English abstract)

　

Nakagawa, H., T. Hayashida, T. Yokoi, T. Kashima, S. Koyama, C. B. M. Wiradikarta & J. R. Guerra Carballo, "A Microtremor Exploration in Iwaki City Hall for Evaluation of Inclined Bedrock", J. Japan Assoc. for Earthq. Eng. (Special issue: The 14th Japan Earthquake Symposium (1)), Vol. 15, No. 7, pp. 60-71, 2015 (in Japanese with English abstract)

　

Nakagawa, H., "Experiment for Improvement of Calculation Precision of Wave Field Using Thin Layered Element Method and Perfectly Matched Layer", AIJ J. Technol. Des., Vol. 20, No. 44, pp. 73-78, 2014 (in Japanese with English abstract)

　

Yokoi, T., K. M. Black, H. Nakagawa, H. Suzuki & H. Saito, "Exploration at Yoshino General Park in Joso City, Ibaraki Pref., Japan Where the Ground Failure by Liquefaction Took Place Due to the 2011 off the Pacific Coast of Tohoku Earthquake", BUTSURI-TANSA, Vol. 66, No. 1, pp. 13-24, 2013 (in Japanese with English abstract)

　

Nakagawa, H. & S. Nakai, "Effect of an Irregular Ground on Microtremor H/V Spectra and Dispersion Curves -Based on the 2.5 dimensional analysis due to incident surface waves-", J. Struct. Constr. Eng., AIJ, Vol. 75, No. 656, pp. 1827-1835, 2010 (in Japanese with English abstract)

　

Nakagawa, H. & S. Nakai, "Rayleigh and Body Waves due to Incident Rayleigh Waves in a Two-Dimensional Irregular Ground -Based on the thin layered element and finite element method-", J. Struct. Constr. Eng., AIJ, Vol. 74, No. 644, pp. 1715-1722, 2009 (in Japanese with English abstract)

　

<Awards>
Best Paper Award (FY2022), Japan Association for Earthquake Engineering (JAEE), 2023