Recently published papers

* K. Miyashita, T. Nagao: Subgrade Reaction Characteristics to the Anchor Pile of a Sheet Pile Quay Wall, Engineering, Technology & Applied Science Research, Vol. 14, No. 1, 2024, 13082-13089; https://doi.org/10.48084/etasr.6474

* A. N. Refani, T. Nagao: Simplified Method for Nonlinear Seismic Response Analysis of Corroded Pile-Supported Wharf, Applied Sciences, 2023, 13, 10936; https://doi.org/10.3390/app131910936

* T. Nagao and X. Ma, The Impact of the Ground Irregular Sedimentary Structure on the Seismic Motion Amplification Characteristics: A case study in Tottori, Japan, Engineering, Technology & Applied Science Research, Vol. 13, No. 3, 2023, 10834-10842; https://doi.org/10.48084/etasr.5785

* T. Oda and T. Nagao, Distribution of the Subgrade Reaction Modulus for Anchor Piles with Various Inclination Angles, International Journal of GEOMATE, May 2023, Vol. 24, Issue 105, pp.1-10; https://doi.org/10.21660/2023.105.3763

* C. Boyke and T. Nagao: Seismic Performance Assessment of Pile-Supported Wharfs: 2D Frame Analysis Method Considering Both Inertial and Kinematic Forces, Applied Sciences, 2023, 13, 3629; https://doi.org/10.3390/app13063629

* A. N. Refani, T. Nagao: Corrosion Effects on the Mechanical Properties of Spun Pile Materials, Applied Sciences, 2023, 13(3), 1507; https://doi.org/10.3390/app13031507

* K. Miyashita, T. Nagao: A Simplified Deformation Estimation Method for Anchor Piles of Sheet Pile Quay Walls under Kinematic Forces during Earthquakes, Engineering, Technology & Applied Science Research, Vol. 13, No. 1, 2023, 10108-10115; https://doi.org/10.48084/etasr.5469; https://doi.org/10.48084/etasr.5469

* T. Nagao and Y. Kurachi: Experimental and Analytical Study on Seismic Performance of Pier with Different Foundation Bottom Width, Engineering, Technology & Applied Science Research Vol. 12, No. 5, 2022, 9142-9148; https://doi.org/10.48084/etasr.5088

* C. Boyke, T. Nagao: Seismic Performance Assessment of Wide Pile-Supported Wharf Considering Soil Slope and Waveform Duration, Applied Sciences, 2022, 12(14), 7266

* C. Boyke, A. N. Refani, T. Nagao: Site-Specific Earthquake Ground Motions for Seismic Design of Port Facilities in Indonesia, Applied Sciences, 2022, 12(4), 1963

* T. Nagao: Variation Evaluation of Path Characteristic and Site Amplification Factor of Earthquake Ground Motion at Four Sites in Central Japan, Engineering, Technology & Applied Science Research Vol. 11, No. 5, 2021, 7658-7664

* T. Nagao, R. Tsutaba: Evaluation Methods of Vertical Subgrade Reaction Modulus and Rotational Resistance Moment for Seismic Design of Embedded Foundations, Engineering, Technology & Applied Science Research Vol. 11, No. 4, 2021, 7386-7392

* T. Nagao: Maximum Credible Earthquake Ground Motions with Focus on Site Amplification due to Deep Subsurface, Engineering, Technology & Applied Science Research Vol. 11, No. 2, 2021, 6873-6881

* T. Nagao: Effect of Foundation Width on Subgrade Reaction Modulus, Engineering, Technology & Applied Science Research Vol. 10, No. 5, 2020, 6253-6258

* T. Nagao, Y. Fukushima: Source- and Site-Specific Earthquake Ground Motions: Application of a State-of-the-Art Evaluation Method, Engineering, Technology & Applied Science Research Vol. 10, No. 4, 2020, 5882-5888

* T. N. Bhattarai, T. Nagao, T. N. Lohani: State of Seismic Hazard Analysis: Reviewing the Needs after Mw 7.8 Gorkha, Nepal Earthquake, Journal of Development Innovations, Vol. 4, No. 1, 2020, 48 – 63

* T. Nagao: An Experimental Study on the Way Bottom Widening of Pier Foundations Affects Seismic Resistance, Engineering, Technology & Applied Science Research Vol. 10, No. 3, 2020, 5713-5718

* D. Shibata and T. Nagao: Seismic Resistant Design Method for Open-Type Wharf with Pneumatic Caisson Foundation, International Journal of Safety and Security Engineering, Vol. 10, No. 2, 2020, 209-218

* T. Nagao: Seismic amplification by deep subsurface and proposal of a new proxy, Engineering, Technology & Applied Science Research Vol. 10, No. 1, 2020, 5157-5163

*T. Nagao and P. Lu: A simplified reliability estimation method for pile-supported wharf on the residual displacement by earthquake, Soil Dynamics and Earthquake Engineering 129 (2020) 105904

*T. Nagao and D. Shibata: Experimental Study of the Lateral Spreading Pressure Acting on a Pile Foundation During Earthquakes, Engineering, Technology & Applied Science Research Vol. 9, No. 6, 2019, 5021-5028

* Y. Fukushima and T. Nagao: Variation of Earthquake Ground Motions with Focus on Site Amplification Factors: A Case Study, Engineering, Technology & Applied Science Research Vol. 9, No. 4, 2019, 4355-4360

* Y. Fukushima, T. Nagao, J. Oshige and I. Suetomi: Ground motion evaluation for intra-plate earthquake by different site amplification factors and source models, 7ICEGE, pp.2484-2492, 2019

* Nagao T, Lu P: A simple estimation method of the probability distribution of residual displacement and maximum bending moment for pile supported wharf by earthquake, IALCCE2018, pp.2763-2768, 2018

* Shibata D. and Nagao T.: Earthquake response of open-type wharf with pneumatic caisson foundation, SUSI2018, 2018.

* Fukushima Y. and Nagao T.: Stochastic characteristic of site amplification factor and its effect on earthquake ground motion, RISK ANALYSIS 2018, 2018

* Nagao, T. and Oda, T.: Evaluation of the Damage Level of Open-Type Wharf by Earthquake Focusing on the Natural Frequency, ICOSSAR2017

* T. N. Lohani, T. Nagao and Y. Fukushima: Reviewing the 2016 Kumamoto Earthquake damage in Mashiki town area by using microtremor measurements, Int. J. of Safety and Security Eng., Vol. 7, No. 4 (2017) 577–584

* M. Yamada, S. Yagi, T. Nagao, A. Nozu and Y. Ito: An efficient detection method of the peak frequency of microtremor H/V spectral ratio using a low-pass filter, 16WCEE, 2017

* T. Hirai and T. Nagao: A simple estimation method of the probability distribution of residual deformation of quay walls considering variation of earthquake ground motion, 16WCEE, 2017

* T. Nagao, A. Sone and S. Nishimura: Evaluation method of the life-cycle cost of quay walls in view of earthquake resistance, 16WCEE, 2017

* T. Hirai and T. Nagao: A Simple Estimation Method of the Probability Distribution of Residual Deformation of Gravity Type Quay Walls Considering the Variation of Earthquake Ground Motion, IALCCE2016, pp.485-491, 2016.