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Proceedings Papers

Inelastic Response Evaluation Method of Equipment Considering Peak Broadening of Response Spectrum

Ichiro Tamura, Takuma Iwamoto, Yusuke Minakawa, Naotomo Maruyama, Masaki Tsuruki
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A012, July 17–22, 2022
Paper No: PVP2022-83745
https://doi.org/10.1115/PVP2022-83745
View Paper titled, Inelastic Response Evaluation Method of Equipment Considering Peak Broadening of Response Spectrum
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Topics: ASME Boiler and Pressure Vessel Code, Evaluation methods, Materials properties, Nuclear power stations, Piping systems, Soil, Uncertainty
Proceedings Papers

Relationship Between Natural Period, Strength, and Response Of Piping Systems Subjected to Seismic Motion

Ichiro Tamura, Shinji Tamura
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A014, July 17–22, 2022
Paper No: PVP2022-83884
https://doi.org/10.1115/PVP2022-83884
View Paper titled, Relationship Between Natural Period, Strength, and Response Of Piping Systems Subjected to Seismic Motion
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Topics: Ductility, Piping systems
Proceedings Papers

New Evaluation Method for Seismic Fatigue Damage of Plant Pipeline (Quantitative Performance and Consideration of Application)

Fumio Inada, Michiya Sakai, Ryo Morita, Ichiro Tamura
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A004, July 17–22, 2022
Paper No: PVP2022-84154
https://doi.org/10.1115/PVP2022-84154
View Paper titled, New Evaluation Method for Seismic Fatigue Damage of Plant Pipeline (Quantitative Performance and Consideration of Application)
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Topics: Evaluation methods, Fatigue damage, Pipelines
Proceedings Papers

Characteristics of Dynamic Loading Obtained From Braced Piping Support Under Sinusoidal Shaking Condition

Ryuya Shimazu, Ichiro Tamura, Shinichi Matsuura, Michiya Sakai, Yohei Ono
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A005, August 3, 2020
Paper No: PVP2020-21816
https://doi.org/10.1115/PVP2020-21816
View Paper titled, Characteristics of Dynamic Loading Obtained From Braced Piping Support Under Sinusoidal Shaking Condition
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Topics: Dynamic testing (Materials), Pipes, Stress
Proceedings Papers

Effect of Peak Excitation Frequency on Seismic Fatigue Damage of Plant Pipelines

Fumio Inada, Michiya Sakai, Ryo Morita, Ichiro Tamura
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A004, August 3, 2020
Paper No: PVP2020-21407
https://doi.org/10.1115/PVP2020-21407
View Paper titled, Effect of Peak Excitation Frequency on Seismic Fatigue Damage of Plant Pipelines
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Topics: Earthquakes, Excitation, Fatigue damage, Pipelines, Vibration
Journal Articles

Categorization of Seismic Loadings for Components and Piping Systems

Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu, Koji Kimura
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. April 2020, 142(2): 021905.
Paper No: PVT-19-1065
https://doi.org/10.1115/1.4044743
Published Online: November 28, 2019
View Article titled, Categorization of Seismic Loadings for Components and Piping Systems
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Topics: Deformation, Displacement, Waves, Yield strength, Piping systems, Stress
Proceedings Papers

Seismic Evaluation Method of Piping Systems by Inelastic Response Spectrum Analysis: Part 1 — Response Analysis

Ichiro Tamura, Michiya Sakai, Shinichi Matsuura, Ryuya Shimazu, Hiroaki Tamashiro, Soichi Mabuchi
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A031, July 14–19, 2019
Paper No: PVP2019-93898
https://doi.org/10.1115/PVP2019-93898
View Paper titled, Seismic Evaluation Method of Piping Systems by Inelastic Response Spectrum Analysis: Part 1 — Response Analysis
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Topics: Emission spectroscopy, Evaluation methods, Piping systems, Spectroscopy
Proceedings Papers

Evaluated Results of Seismic Design Approach Using Inelastic Dynamic Analysis for Equipment

Ichiro Tamura, Atsushi Okubo, Yusuke Minakawa, Tadashi Iijima, Yoshio Namita, Nobuyoshi Goshima, Masanori Amino, Yukihiko Okuda, Shunji Okuma
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A035, July 14–19, 2019
Paper No: PVP2019-93532
https://doi.org/10.1115/PVP2019-93532
View Paper titled, Evaluated Results of Seismic Design Approach Using Inelastic Dynamic Analysis for Equipment
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Topics: Cantilevers, Dynamic analysis, Earthquake resistant design, Safety, Evaluation methods, Stress, Deformation, Design, Elastic analysis, Inelastic analysis
Proceedings Papers

Fatigue Evaluation Method for Piping System Based on Total Input Energy and One-Cycle Momentary Input Energy

Michiya Sakai, Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu, Yohei Ono, Yutaka Hagiwara
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A028, July 14–19, 2019
Paper No: PVP2019-93631
https://doi.org/10.1115/PVP2019-93631
View Paper titled, Fatigue Evaluation Method for Piping System Based on Total Input Energy and One-Cycle Momentary Input Energy
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Topics: Cycles, Evaluation methods, Fatigue, Piping systems
Journal Articles

Evaluation Method for Seismic Fatigue Damage of Plant Pipeline

Fumio Inada, Michiya Sakai, Ryo Morita, Ichiro Tamura, Shin-ichi Matsuura, Kiyoshi Saito, Yasuki Ohtori
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. April 2019, 141(2): 021801.
Paper No: PVT-18-1085
https://doi.org/10.1115/1.4042220
Published Online: February 21, 2019
View Article titled, Evaluation Method for Seismic Fatigue Damage of Plant Pipeline
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Topics: Cantilevers, Earthquakes, Evaluation methods, Fatigue damage, Pipes, Vibration, Pipelines, Waves, Stress
Proceedings Papers

Simplified Seismic Response Analysis Method Using Reduced Model of Piping System

Michiya Sakai, Ryuya Shimazu, Shinichi Matsuura, Ichiro Tamura
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A005, July 15–20, 2018
Paper No: PVP2018-84428
https://doi.org/10.1115/PVP2018-84428
View Paper titled, Simplified Seismic Response Analysis Method Using Reduced Model of Piping System
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Topics: Piping systems, Finite element analysis, Degrees of freedom, Springs
Proceedings Papers

Seismic Response of a Cylindrical Water Storage Tank of Nuclear Power Plant

Shinichi Matsuura, Ichiro Tamura
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A049, July 15–20, 2018
Paper No: PVP2018-84896
https://doi.org/10.1115/PVP2018-84896
View Paper titled, Seismic Response of a Cylindrical Water Storage Tank of Nuclear Power Plant
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Topics: Nuclear power stations, Water storage, Deformation, Earthquakes, Shells, Vibration, Buckling, Condensed matter, Finite element analysis, Safety
Proceedings Papers

Categorization of Dynamic Loading Into Force-Controlled Loading and Displacement-Controlled Loading

Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu, Koji Kimura
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A029, July 15–20, 2018
Paper No: PVP2018-85098
https://doi.org/10.1115/PVP2018-85098
View Paper titled, Categorization of Dynamic Loading Into Force-Controlled Loading and Displacement-Controlled Loading
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Topics: Displacement, Dynamic testing (Materials), Deformation, Excitation, Hardening, Kinematics
Proceedings Papers

Development of Seismic Design Approach Using Inelastic Dynamic Analysis for Equipment and Piping Systems

Ichiro Tamura, Atsushi Okubo, Yusuke Minakawa, Tadashi Iijima, Nobuyoshi Goshima, Masanori Amino, Yukihiko Okuda, Shunji Okuma
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A024, July 15–20, 2018
Paper No: PVP2018-84126
https://doi.org/10.1115/PVP2018-84126
View Paper titled, Development of Seismic Design Approach Using Inelastic Dynamic Analysis for Equipment and Piping Systems
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Topics: Dynamic analysis, Earthquake resistant design, Piping systems, Cantilever beams, Design, Deformation, Design methodology, Ductility, Elastic analysis, Nuclear power stations
Proceedings Papers

Acceptance Criterion of Ductile Failure and Plastic Collapse for Safe-Shutdown Earthquakes Using Nonlinear Dynamic Analysis

Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu, Koji Kimura
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A007, July 16–20, 2017
Paper No: PVP2017-66056
https://doi.org/10.1115/PVP2017-66056
View Paper titled, Acceptance Criterion of Ductile Failure and Plastic Collapse for Safe-Shutdown Earthquakes Using Nonlinear Dynamic Analysis
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Topics: Collapse, Dynamic analysis, Earthquakes, Failure, Ductility, Stress, ASME Boiler and Pressure Vessel Code, Elastic analysis
Proceedings Papers

Evaluation Method for Seismic Fatigue Damage of Plant Pipeline

Fumio Inada, Michiya Sakai, Ryo Morita, Ichiro Tamura, Shin-ichi Matsuura, Kiyoshi Saito, Yasuki Ohtori
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A030, July 16–20, 2017
Paper No: PVP2017-65596
https://doi.org/10.1115/PVP2017-65596
View Paper titled, Evaluation Method for Seismic Fatigue Damage of Plant Pipeline
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Topics: Evaluation methods, Fatigue damage, Pipelines, Damage, Cantilevers, Cycles, Earthquakes, Flow (Dynamics), Nuclear power plant maintenance, Pipes
Proceedings Papers

Shaking Table Tests of a Piping System With Viscoelastic Dampers Subjected to Severe Earthquake Motions

Victor Kostarev, Ichiro Tamura, Masashi Kuramasu, Frank Barutzki, Petr Vasilev, Yuji Enomoto, Yoshio Namita, Shunsuke Okita, Yuki Sato
Proc. ASME. PVP2016, Volume 8: Seismic Engineering, V008T08A005, July 17–21, 2016
Paper No: PVP2016-64004
https://doi.org/10.1115/PVP2016-64004
View Paper titled, Shaking Table Tests of a Piping System With Viscoelastic Dampers Subjected to Severe Earthquake Motions
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Topics: Dampers, Earthquakes, Piping systems, Safety, Nuclear power stations, Damping, Electricity (Physics), Nuclear power, Pipes
Proceedings Papers

Yield Strength Reduction Factor of Nonlinear SDOF Systems on the Supporting Structures

Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu
Proc. ASME. PVP2016, Volume 8: Seismic Engineering, V008T08A029, July 17–21, 2016
Paper No: PVP2016-63944
https://doi.org/10.1115/PVP2016-63944
View Paper titled, Yield Strength Reduction Factor of Nonlinear SDOF Systems on the Supporting Structures
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Topics: Yield strength, Ductility, Earthquakes, Spectra (Spectroscopy), Deformation, Clearances (Engineering), Stiffness
Proceedings Papers

Dynamic Analysis of NPP Piping Systems and Components With Viscoelastic Dampers Subjected to Severe Earthquake Motions

Ichiro Tamura, Masashi Kuramasu, Frank Barutzki, Daniel Fischer, Victor Kostarev, Alexey Berkovskiy, Peter Vasiliev, Takuma Inoue, Shunsuke Okita, Yoshio Namita
Proc. ASME. PVP2016, Volume 8: Seismic Engineering, V008T08A022, July 17–21, 2016
Paper No: PVP2016-64029
https://doi.org/10.1115/PVP2016-64029
View Paper titled, Dynamic Analysis of NPP Piping Systems and Components With Viscoelastic Dampers Subjected to Severe Earthquake Motions
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Topics: Dampers, Dynamic analysis, Earthquakes, Nuclear power stations, Piping systems, Safety, Energy dissipation, Seismic analysis, Analytical methods, Electricity (Physics)
Proceedings Papers

Statistical Analysis of Seismic Effects of Low Seismic Class Equipment Based on Damage Data of Nuclear Power Plants

Ryo Morita, Fumio Inada, Yasuki Ohtori, Mitsuhide Nanpo, Koji Naradate, Syuhei Yamaguchi, Masataka Takeuchi, Tatsuya Yamaguchi, Takeshi Numata, Ichiro Tamura, Terushige Hosotani, Yusuke Kimura, Mitsuhiko Amemiya, Toyonobu Taguchi, Naomi Fukushi, Atsushi Yamaguchi, Nobuyuki Kojima
Proc. ASME. PVP2014, Volume 8: Seismic Engineering, V008T08A050, July 20–24, 2014
Paper No: PVP2014-28644
https://doi.org/10.1115/PVP2014-28644
View Paper titled, Statistical Analysis of Seismic Effects of Low Seismic Class Equipment Based on Damage Data of Nuclear Power Plants
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Topics: Damage, Nuclear power stations, Statistical analysis, Pipes, Databases, Earthquakes, Computer simulation, Design, Robustness, Safety