1. 1) Fukushima, Y. and Midorikawa, S.: Evaluation of site amplification factors based on average characteristics of frequency dependent Q−1 of sedimentary strata, J. Struct. Constr. Eng., Vol. 59, No. 460, pp. 37-46, 1994.
2. 2) Izawa, J., Toyooka, A., Kojima, K. and Murono, Y.: Deformation properties of soils for a nonlinear dynamic response analysis, 7th International Conference on Geotechnical Earthquake Engineering, 2019.
3. 3) Japanese Geotechnical Society: Japanese standards and explanations of laboratory tests of geomaterials, 2020.
4. 4) Kappel, F. and Kuntsevich, A.:An implementation of Shor’s r-algorithm, Computational Optimization and Appli-cations, Vol. 15, No. 2, pp. 193-206, 2000.
5. 5) Murono, Y., Nogami, Y., Tanoue, K. and Sakai, K.: Evaluation of Nonlinear Dynamic Response at Subsurface Ground Applying GHE-S Model, RTRI REPORT, Vol. 25, No. 9, pp. 13-18, 2011.