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SAITOH Masato

■Faculty: Graduate School of Science and Engineering ■TEL:
■Position: Professor ■FAX:
■Address: 255 Shimo-Okubo, Sakura-ku, Saitama City, Saitama 338-8570, JAPAN ■Mail Address:
■Web site: https://www.researchgate.net/profile/Masato-Saitoh
http://eq.civil.saitama-u.ac.jp/team/masato_saitoh

Profile

Assigned Class

Faculty of Engineering
Open Innovation Center

Research Field

Earthquake Engineering
Soil Structure Interaction
Resilient Engineering

Academic Background

Degree
EFFECTIVE SEISMIC MOTION OF CAISSON AND PILE FOUNDATION

Awards

2022 , Governor of Tokyo Award (Japan Institute of Invention and Innovation)

Research

Books, Articles, etc.

Books
Lecture Notes in Civil Engineering Volume368, Proceedings of the 6th International Conference on Advances in Civil Engineering
Springer Singapore 202401
ISBN:978-981-99-3826-1
S Arthur, M Saitoh, A Hoque

Advances in Geotechnical Earthquake Engineering - Soil Liquefaction and Seismic Safety of Dams and Monuments
INTECH:359-382 2012
Masato Saitoh

Advances in Civil Engineering
Springer Singapore:1-525
Scott Arthur, Masato Saitoh, Sudip K. Pal

Articles
On the Method to Evaluate the Post-earthquake State of Collapsed Structures and Its Applications to Numerical Analyses
,Lecture Notes in Civil Engineering, Proceedings of the 6th International Conference on Advances in Civil Engineering,Vol.368:323-336 2024
Z Liu, M Saitoh

APPLICABILITY OF GYRO-LUMPED PARAMETER MODEL IN IDENTIFYING HORIZONTAL IMPEDANCE FUNCTIONS OF PILE GROUPS
,9th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering Methods in Structural Dynamics and Earthquake Engineering:DOI: 10.7712/120123.10771.21130 2023
M Saitoh

Frequency-and intensity-dependent impedance functions of laterally loaded pile groups in cohesionless soil
, Soils and Foundations,63(4):101340 2023
NR Shrestha, M Saitoh, CS Goit, AK Saha, R Yokota

Vertical impedance functions of pile groups under low-to-high loading amplitudes: numerical simulations and experimental validation
,Earthquake Engineering and Engineering Vibration,Volume 22:647–666 2023
U Zafar, CS Goit, M Saitoh, R Fukuda

On the modeling of frequency- and intensity-dependent impedance functions at the head of horizontally loaded single piles
,Soils and Foundations,62(2):101107 2022
Saitoh, M.

Influence of Nonlinearities on the Vertical Kinematic Interaction of Piles
,World Congress on Civil, Structural, and Environmental Engineering:ICSECT 173-1-8 2022
Zafar, U. , Goit, C.S. , Saitoh, M.

Numerical Modelling of the Rate-Dependent Characteristics of Laterally Loaded Single Pile in Dry Sand
,Lecture Notes in Civil Engineering,184:pp. 73–80 2022
Saha, A.K. , Saitoh, M. , Shrestha, N.R. , Goit, C.S.

Frequency- and intensity-dependent impedance functions of laterally loaded single piles in cohesionless soil
,Soils and Foundations,61:129～143 2021
Shrestha Naba Raj、Saitoh Masato、Saha Alok Kumer、Goit Chandra Shekhar

Experimental and Numerical Analysis on the Rate-Dependent Cyclic Lateral Load on a Single Pile in Sand
,International Journal of Civil Infrastructure,4:9～15 2021
Shrestha Naba Raj、Saitoh Masato、Saha Alok Kumer、Goit Chandra Shekhar

Inclined single piles under vertical loadings in cohesionless soil
,Acta Geotechnica,16:1231–1245 2020
Goit Chandra Shekhar, Saitoh Masato, Igarashi Takumi, Sasaki Shun

On the Performance of Vertical Base Isolation Systems Using an Adjustable Constant-Force Generator
,17th World Conference on Earthquake Engineering,2g-0225:1-12 2020
M. Saitoh, Y. Sawano

EFFECT OF THE JOINT SHEAR RESISTANCE ON THE DYNAMIC RESPONSES OF STEEL PIPE SHEET PILE FOUNDATIONS
,17th World Conference on Earthquake Engineering,4c-0046:1-12 2020
M.S. Ullah, A. Sasaki, C.S. Goit, M. Saitoh

Rate-Dependent Cyclic Lateral Load Test on a Single Pile in Sand
,Proceedings of the 5th International Conference on Civil Structural and Transportation Engineering (ICCSTE'20), DOI: 10.11159/iccste20.231: 231-1-7 2020
Naba Raj Shrestha, Masato Saitoh, Alok Kumer Saha, Chandra Shekhar Goit

Earthquake motion filtering effect by pile foundations considering nonlinearity of soil and piles
,Soil Dynamics and Earthquake Engineering,Volume 125:105748 201910
Hochi, Yudai; Murono, Yoshitaka; Saitoh, Masato; Goit, Chandra Shekhar

Effective foundation input motion for soil-steel pipe sheet pile (SPSP) foundation system
,International conference on computational & experimental engineering and sciences (ICCES),Paper No. 4966:1-14 201903
1) Ullah MS, Kajiwara K, Goit CS, Saitoh M.

Frequency and intensity dependent dynamic responses of soil-steel pipe sheet pile (SPSP) foundation-superstructure system
,Soil Dynamics and Earthquake Engineering,Volume 125:105730 2019
Ullah, Md. Shajib; Kajiwara, Keisuke; Goit, Chandra Shekhar; Saitoh, Masato

On the verification of superposition method of kinematic interaction and inertial interaction in dynamic response analysis of soil-pile-structure systems
,Soil Dynamics and Earthquake Engineering,113:522-533 2018
M.S. Ullah, H. Yamamoto, C.S. Goit, M. Saitoh

Influence of pile radius on the pile head kinematic bending of end-bearing pile groups
,Soil Dynamics and Earthquake Engineering,105:184-203 2018
M.F. Torshizi, M. Saitoh, G.M. Álamo, C.S. Goit, L.A. Padrón

Single pile under vertical vibrations in cohesionless soil
,Géotechnique,68(10):893-904 2018
C. S. Goit, M. Saitoh

A comprehensive study on the performance of base isolation systems with variable negative stiffness
,25th International Congress on Sound and Vibration:1-8 2018
S. Nepal, M. Saitoh

Development of the collapse direction control device to improve anti-catastrophe performance
,16th European Conference on Earthquake Engineering,Paper No.10340:1-11 2018
Toyooka, Y. Murono, M. Saitoh

Influence of pile radius on the pile head kinematic bending strains of endbearing pile groups
,Soil Dynamics and Earthquake Engineering,105:184-203 2017
Mostafa Faghihnia Torshizi, Masato Saitoh, Guillermo M. Álamo, Chandra Shekhar Goit, Luis A. Padrón

Single pile under vertical vibrations in cohesionless soil
,Géotechnique,ISSN 0016-8505 2017
C. S. Goit, M. Saitoh

Experimental approach on the pile-to-pile interaction factors and impedance functions of inclined piles.
,Géotechnique,Vol. 66(11):pp. 888901 2016
Goit C.S, Saitoh M.

Expanded superposition method for impedance functions of inclined-pile groups
,International Journal for Numerical and Analytical Methods in Geomechanics,Vol.40:pp.185-206 2016
Saitoh, M., Padrón, L.A., Aznárez, J.J., Maeso, O., Goit, C. S.

Principle of superposition for assessing horizontal dynamic response of pile groups encompassing soil nonlinearity
,Soil Dynamics and Earthquake Engineering,Vol.82:pp.73-83 2016
Goit, C.S., Saitoh, M., Mylonakis, G.

Resilient Structural Systems for Earthquake Disaster Mitigation Using Collapse Direction Control Devic
,Proceedings International Symposium on Engineering, Energy and Environment,Vol.4:pp.614-617 2015
Saitoh, M., Murono, Y., Motoyama, H.

Analytical evaluation of deformation-mitigation device for structures subjected to earthquake ground motions
,Proceedings International Symposium on Engineering, Energy and Environment,Vol.4:pp.676-680 2015
Liu, Z., Saitoh, M.

Novel method in avoiding flood induced damages due to tidal waves
,Proceedings International Symposium on Engineering, Energy and Environment,Vol.4:pp.681-685 2015
Nakabe, S., Saitoh, M.

An external rotary friction device for displacement mitigation in base isolation systems
,Structural Control and Health Monitoring,vol.21:173–188 2014
Saitoh M.

Formulas for Determining Structural Variables to Control the Maximum Deformations and Stored Energies in Structures with Elastic-Perfectly Plastic Springs under Monotonic Loading
,Journal of Engineering Mechanics,Vol.140(2):pp. 250-256 2014
Saitoh M.

Effects of Soil Nonlinearity on the Active Length of Piles Embedded in Cohesionless Soil: Model Studies
,Acta Geotechnica,Vol.9(No.3):pp.455-467 2014
Goit, C.S, Saitoh, M., Oikawa, H., Kawakami, H.

Model Tests on Horizontal Impedance Functions of Fixed-Head Inclined Pile Groups under Soil Nonlinearity
,Journal of Geotechnical and Geoenvironmental Engineering,Volume 140(Issue 6):pp.04014023-1--12 2014
Goit, C.S, Saitoh, M.

Representation of Soil-Foundation Systems and Its Application to Shaking Table Tests by Constructing a Mechanical Interface
,Earthquake Spectra,Vol.29, No.2:pp.547-571 2013
Saitoh, M., Saito, T., Hikima, T., Ozawa, M., Imanishi, K.

Model tests on horizontal pile-to-pile interaction incorporating local non-linearity and resonance effects
,Soil Dynamics and Earthquake Engineering,Vol.48:pp.175-192 2013
Goit, C.S, Saitoh, M., Mylonakis, G., Kawakami, H., Oikawa, H

A New Experimental Technology for Representing Soil-Foundation Systems by Mechanical Interface
,Proceedings International Symposium on Engineering, Energy and Environment,Vol.3:pp.441-446 2013
Saitoh, M., Hikima, T., Imanishi, K.

On the Performance of External Rotary Friction Device for Preventing Fall of Furniture and Equipments
,Proceedings International Symposium on Engineering, Energy and Environment,Vol.3:pp.453-458 2013
Takemura, R., Saitoh, M.

Applicability of principle of superposition in obtaining horizontal impedance functions of pile group under soil nonlinearity
,Computational Methods in Structural Dynamics and Earthquake Engineering,CD-ROM:1-7 2013
Chandra Goit, Masato Saitoh, George Mylonakis

Model tests and numerical analyses on horizontal impedance functions of inclined single piles embedded in cohesionless soil
,Earthquake Engineering and Engineering Vibration,12(1):143-154 2013
Goit, C.S, Saitoh, M.

An external rotary friction device for displacement mitigation in base isolation systems
,Structural Control and Health Monitoring,DOI: 10.1002/stc.1560 2013
Saitoh M.

On the performance of lumped parameter models with gyro‐mass elements for the impedance function of a pile‐group supporting a single‐degree‐of‐freedom system
,Earthquake Engineering and Structural Dynamics,41:623-641 2012
Masato Saitoh

A one-dimensional lumped parameter model representing impedance functions in general structural systems with proportional damping
,International Journal for Numerical Methods in Engineering,90:353-368 2012
Masato Saitoh

Impedance functions of end-bearing inclined piles
,Soil Dynamics and Earthquake Engineering,38:97-108 2012
Padron, L.A, Aznarez, J.J., Maeso, O., Saitoh, M.

Highly Reduced Lumped Parameter Models Representing Impedance Functions at the Interface of One-Dimensional Viscoelastic Continua
,Journal of Vibration and Acoustics,134:031008-1-11 2012
Masato, Saitoh

Lumped parameter models representing impedance functions at the end of a finite beam on a viscoelastic medium
,Computers and Structures,92-93:317-327 2011
Masato Saitoh

Effect of local nonlinearity in cohesionless soil on optimal radius minimizing fixed-head pile bending by inertial and kinematic interactions
,Acta Geotechnica,5:273-286 2010
Masato Saitoh

Equivalent One-Dimensional Spring-Dashpot System Representing Impedance Functions of Structural Systems with Non-Classical Damping
,CMES: Computer Modeling in Engineering & Sciences,67(3):211-238 2010
Masato Saitoh

Lumped parameter models representing impedance functions at the interface of a rod on a viscoelastic medium
,Journal of Sound and Vibration,330(9):2062-2072 2010
Masato Saitoh

On the performance of gyro-mass devices for displacement mitigation in base isolation systems
,Structural Control and Health Monitoring,DOI: 10.1002/stc.419 (in printing):1-14 2010
Masato Saitoh

Damage to Structures Subjected to Aftershocks Evaluated by Using Damage Index
,International Symposium on Engineering, Energy and Environment (ISEEE),1:111 2009
Otsuka, S., Saitoh, M., Kawakami, H., Nogami Y., and Murono Y.

Effects of Nonliearity upon Optimal Radius of Fixed-Head Pile Subjected to Kinematic Interaction
,International Symposium on Engineering, Energy and Environment (ISEEE),1:101 2009
Masato Saitoh

Evaluation of Natural Periods of Ground Subjected to Strong Earthquake Waves Based on H/V Technique
,International Symposium on Engineering, Energy and Environment (ISEEE),1:112 2009
Nakagawa, R., Saitoh, M., and Kawakami, H.

Mechanical Representation of Dynamic Stiffness of Soil- Foundation Systems, Seismic Design
,Seismic Design, Observation, Retrofit of Foundations,3 2009
Masato Saitoh

Nonlinear Response of Superstructures Influenced by Frequency- Dependent Oscillations in Impedance Functions of Pile Groups Embedded in a Layered Soil
,Computational Methods in Structural Dynamics and Earthquake Engineering,2(CD) 2009
Masato Saitoh

Soil-Structure Interaction Effects on Elastic Response of Buildings in Bangkok by Frequency-Dependent Impedance Foundation
,International Symposium on Engineering, Energy and Environment (ISEEE),1:119 2009
Pongsathon, C.Nakhorn P.Saitoh, M.

基盤構造インターフェースのメカニカルシミュレータの創成とその基礎研究
埼玉大学総合研究機構,総合研究機構研究プロジェクト研究成果報告書(6(平成19年度)) 200809
齋藤 正人
リポジトリ

AN INNOVATIVE BASE-ISOLATION SYSTEM FOR ENVIRONMENTAL PROTECTION AGAINST POLLUTIONS CAUSED BY DAMAGE TO FACILITIES DUE TO EARTHQUAKES
,International Symposium on Environmental Management: Hazardous-Environmental Management toward Sustainability,1:22 2008
Masato Saitoh

An Innovative Method for Evaluating the Dynamic Response of Inelastic Structures with Frequency-Dependent SSI
,14th World Conference on Earthquake Engineering, Beijing, China:1-8 2008
Masato Saitoh

Experimental Studies on Non-Linear Response of Soil-Pile-Structure Systems Subjected to Strong Ground Motion
,14th World Conference on Earthquake Engineering, Beijing, China:1-8 2008
C. S. Goit, M. Saitoh, H. Kawakami and S. Nishiyama

Evaluation of Seismic Deformation Method for Determining Optimal radius minimizing Fixed-Head Pile Bending and Its Application to Practical Conditions
,Computational Methods in Structural Dynamics and Earthquake Engineering,CD:1-12 2007
Masato Saitoh

M7級の都市直下地震が引き起こす側方流動の被害を最小限に抑制する信頼性・安全性の高いハイパフォーマンス基礎システムの研究
埼玉大学総合研究機構,総合研究機構研究プロジェクト研究成果報告書(5(18年度)):610-611 2007
齊藤 正人
Optimal foundation systems minimizing damage due to large deformation of liquefied soil under strong earthquake motion
リポジトリ

Minimization of Fixed-Head Pile Bending at Optimal Radius under Realistic Conditions by Using Seismic Deformation Method
,Proceedings of the 2nd Greece-Japan Workshop(Tokyo), Seismic Design, Observation, Retrofit of Foundations,2:401-408 2007
Masato Saitoh

Simple Model of Frequency-Dependent Impedance Functions in Soil-Structure Interaction Using Frequency-Independent Elements
,Journal of Engineering Mechanics, ASCE,133(10):1101-1114 2007
Masato Saitoh

Optimization of pile radius minimizing fixed-head pile bending inflluenced by kinematic interaction
,Research Report of Depertment of Civil and Environmental Engineering,34:31-37 2006
Masato Saitoh

Fixed-head pile bending by kinematic interaction and criteria for its minimization at optimal pile radius
,Journal of Geotechnical and Geoenvironmental Engineering, ASCE,131(10):1243-1251 2005
Masato Saitoh

A Quasistatic Analysis Method to Improve Collapse Mechanism Analyses of Multistory Buildings
,13th World Conference on Earthquake Engineering Conference Proceedings (CD-ROM)(1284):1-10 200408
Saitoh M, Ikegame M., and Tanamura, S.

Effects of Flexibility on Rocking Impedance of Deeply Embedded Foundation
,Journal of Geotechnical and Geoenvironmental Engineering, ASCE,130(4):438-445 200404
Masato Saitoh and Hiroyuki Watanabe

Effective Seismic Motion of Caisson and Pile Foundation
,Railway Technical Research Institute, RTRI REPORT, Special,46:1-275 2001
Saitoh, M.

A.:Study on Effective Seismic Motion and Its Application to Seismic Design
,12th World Conference on Earthquake Engineering(CD-ROM) No.2697.,1:1-8 2000
Saitoh, M., Nishimura

A.:Study on Effective Seismic Motion of Caisson Foundation with Flexural and Rocking Motion
,The 10th Earthquake Engineering Symposium,2:1693-1698 1998
Saitoh, M., Murono. Y., Nishimura.

Vibration Tests of Pile Foundation Models on a Shaking Table and Numerical Simulation of Them
,The Ninth Japan Earthquake Engineering Symposium,3:241-246 1994
Watanabe, H., Aoto, K., Saitoh, M.

Presentation
Frequency vs. intensity dependencies of soil-pile systems: Broadening the advanced soilstructure interaction horizon in the light of new experimental findings
The 5th International Conference on Advances in Civil Engineering (ICACE-2020),Proceedings of The 5th International Conference on Advances in Civil Engineering (ICACE-2020),5:9 210306
Masato Saitoh

NUMERICAL MODELLING OF THE RATE-DEPENDENT CHARACTERISTICS OF LATERALLY LOADED SINGLE PILES IN DRY SAND
The 5th International Conference on Advances in Civil Engineering (ICACE-2020),Proceedings of The 5th International Conference on Advances in Civil Engineering (ICACE-2020),5:GE10-15 210305
Alok Kumer Saha, Masato Saitoh, Naba Raj Shrestha, Chandra Shekhar Goit

深層強化学習を用いた多様な地震動に対するセミアクティブ免震システムに関する研究
第 77回土木学会全国大会,土木学会第77回年次学術講演会講演概要集,CS10-123:1-2 202309
古賀 弘将、齊藤 正人

地震時における構造物の応答抑制を目的とした深層強化学習による非線形デバイスの探索
第 77回土木学会全国大会,土木学会第77回年次学術講演会講演概要集,CS14-50:1-2 202309
與羽 将昭、齊藤 正人

Mechanism of automatically switching display using earthquake’s motion
The 6th International Conference on Engineering, Energy, and Environment 2019 ,The 6th International Conference on Engineering, Energy, and Environment 2019 ,Vol.6:1-2 201911
Yuki Mizukawa and Masato Saitoh

SSI Innovation: Beyond the integration of structural inelasticity and frequency-dependency of soil-foundation systems
The 16th Symposium on Earthquake Engineering,16th Symposium on Earthquake Engineering, 20-22 December 2018, IIT Roorkee, India,16:1-10 201812
Masato Saitoh

Resilient Structures against Natural Disasters and Its Extension toward SSI
Pre-Symposium Workshops of the 16th Symposium on Earthquake Engineering 201812
Masato Saitoh

Experimental Study on Kinematic Response of Soil-Pile-Superstructure System
第70回土木学会全国大会,第70回年次学術講演会講演概要集:1-2 201509
Md Shajib Ullah, Masato Saitoh

Effects of Soil Nonlinearity on the Lateral Impedance Functions of Inclined Single Piles
第70回土木学会全国大会,第70回年次学術講演会講演概要集:1-2 201509
Chandra Shakhar Goit, Masato Saitoh

Modal lumped parameter models for representing frequency-dependent impedance functions of soil-foundation systems
15th World Conference on Earthquake Engineering,15th World Conference on Earthquake Engineering,CD 201209
Masato Saitoh

Minimization of Fixed-Head Pile Bending at Optimal Pile Radius
Greece-Japan Workshop,Seismic Design, Observation, and Retrofit of Foundations(社団法人土木学会＆NTUA,Proceedings of the 1st Greece-Japan Workshop(Athens), Seismic Design,,1:61-67 200608
Masato Saitoh

構造物と周辺地盤の地震応答を利用した 群杭基礎の水平動的ばね特性の推定手法の一提案
第 77回土木学会全国大会,土木学会第77回年次学術講演会講演概要集,CS10-28:1-2 023091
齊藤 正人、横田 怜哉、岡本 宙、ゴイト チャンドラ

Patents

Patents
構造物外力検知装置，及び構造物の外力検知方法 , 2003-262554
構造物外力検知装置，及び構造物の外力検知方法 , 2003-262555
構造物外力検知装置，及び構造物の外力検知方法 , 2003-262556
構造物外力検知装置，及び構造物の外力検知方法 , 2003-262558
構造物外力検知装置，及び構造物の外力検知方法 , 2003-262557
鉄道信号システム，及び鉄道信号制御方法 , 2004-106767
ＡＥ音による基礎構造物の破壊探知システム
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
鉄道信号システム、及び鉄道信号制御方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物残留変形計測装置、及び構造物の残留変形計測方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物外力検知装置、及び構造物の外力検知方法
構造物残留変形計測装置、及び構造物の残留変形計測方法
構造物残留変形計測装置、及び構造物の残留変形計測方法
解析システム、解析方法、プログラムおよび機械装置
免震装置及び回転慣性付加装置
解析システム、解析方法、プログラムおよび機械装置
免震装置及び回転慣性付加装置
解析システム、解析方法、プログラムおよび機械装置
免震装置及び回転慣性付加装置
キャスター付機器、免震用支承装置、免震対象物の変位抑制装置
振り子型免震装置
キャスター付き機器及び回転慣性付加装置
キャスター付機器、免震用支承装置、免震対象物の変位抑制装置、免震対象物の変位抑制ユニット及び回転慣性...
キャスター付き機器及び回転慣性付加装置
変位抑制装置
変位制御装置及び変位制御システム
変位抑制装置及び免震装置
キャスター付機能及びキャスター
建造物
弾性機構
変位抑制装置、免震システム及び負復元力機構
変位抑制装置及び免震システム
支持システム及び支持方法
弾性機構