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Proceedings Papers

Simplified Fragility Assessment Method for Piping Systems in Seismic PRA

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Yohei Ono, Masato Nakajima, Michiya Sakai, Ryuya Shimazu
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A025, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122303
https://doi.org/10.1115/PVP2024-122303
View Paper titled, Simplified Fragility Assessment Method for Piping Systems in Seismic PRA
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Topics: Fatigue, Nuclear power stations, Piping systems
Proceedings Papers

Investigation of Ultimate Behavior of Elbow Pipes by Tensile Loading Tests in the Direction of In-Plane Bending (Part 2)

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Ryuya Shimazu, Michiya Sakai, Yohei Ono
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A030, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123489
https://doi.org/10.1115/PVP2024-123489
View Paper titled, Investigation of Ultimate Behavior of Elbow Pipes by Tensile Loading Tests in the Direction of In-Plane Bending (Part 2)
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Topics: Pipes, Rupture
Proceedings Papers

Benchmark Analysis on Pipe Support Structures for Establishing Inelastic Seismic Design

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Izumi Nakamura, Kiyotaka Takito, Ryuya Shimazu, Yukihiko Okuda, Michiya Sakai, Akihito Otani, Tomoyoshi Watakabe, Takahiro Okuda, Tadahiro Shibutani, Masaki Shiratori
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A028, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123075
https://doi.org/10.1115/PVP2024-123075
View Paper titled, Benchmark Analysis on Pipe Support Structures for Establishing Inelastic Seismic Design
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Topics: Earthquake resistant design, Finite element methods, Pipes
Proceedings Papers

High Acceleration Shaking Tests Considering Couple of Pipe Support Structure and Box Culvert

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Michiya Sakai, Toshiaki Sakai, Tatsumasa Watanabe, Yohei Ono, Ryuya Shimazu
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A032, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-124691
https://doi.org/10.1115/PVP2024-124691
View Paper titled, High Acceleration Shaking Tests Considering Couple of Pipe Support Structure and Box Culvert
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Topics: Culverts, Pipes
Proceedings Papers

Investigation of Ultimate Behavior of Elbow Pipes by Tensile Loading Test in the Direction of In-Plane Bending

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Ryuya Shimazu, Michiya Sakai, Yohei Ono
Proc. ASME. PVP2023, Volume 7: Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V007T08A001, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106247
https://doi.org/10.1115/PVP2023-106247
View Paper titled, Investigation of Ultimate Behavior of Elbow Pipes by Tensile Loading Test in the Direction of In-Plane Bending
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Topics: Finite element methods, Finite element model, Pipes, Rupture
Proceedings Papers

Simplified Elastic-Plastic Analysis Method for Piping Systems Based on Linear Time History Analysis

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Yohei Ono, Michiya Sakai, Ryuya Shimazu, Fumio Inada, Ryo Morita, Yuta Uchiyama
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A001, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-81651
https://doi.org/10.1115/PVP2022-81651
View Paper titled, Simplified Elastic-Plastic Analysis Method for Piping Systems Based on Linear Time History Analysis
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Topics: Density, Earthquakes, Piping systems
Proceedings Papers

Low Cycle Fatigue Behavior and Failure Probability of Elbow Pipes Based on High Acceleration Vibration Test

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Ryuya Shimazu, Michiya Sakai, Yohei Ono
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A003, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84128
https://doi.org/10.1115/PVP2022-84128
View Paper titled, Low Cycle Fatigue Behavior and Failure Probability of Elbow Pipes Based on High Acceleration Vibration Test
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Topics: Failure, Low cycle fatigue, Pipes, Probability, Vibration tests
Proceedings Papers

Strength Distribution Characteristics of Elbow Pipes Considering Low Cycle Fatigue Based on Analysis

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Ryuya Shimazu, Michiya Sakai, Yohei Ono, Shinichi Matsuura
Proc. ASME. PVP2021, Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination, V005T08A004, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61943
https://doi.org/10.1115/PVP2021-61943
View Paper titled, Strength Distribution Characteristics of Elbow Pipes Considering Low Cycle Fatigue Based on Analysis
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Topics: Damage assessment, Low cycle fatigue, Pipes
Proceedings Papers

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

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Ryuya Shimazu, Ichiro Tamura, Shinichi Matsuura, Michiya Sakai, Yohei Ono
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A005, August 3, 2020
Publisher: American Society of Mechanical Engineers
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
Journal Articles

Categorization of Seismic Loadings for Components and Piping Systems

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Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu, Koji Kimura
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
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 Articletitled, Categorization of Seismic Loadings for Components and Piping Systems
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Topics: Deformation, Displacement, Waves, Yield strength, Piping systems, Stress
Proceedings Papers

Buckling and Fatigue Evaluation of Braced Piping Support by Numerical Analysis

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Ryuya Shimazu, Michiya Sakai
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A030, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93830
https://doi.org/10.1115/PVP2019-93830
View Paper titled, Buckling and Fatigue Evaluation of Braced Piping Support by Numerical Analysis
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Topics: Buckling, Fatigue, Numerical analysis, Pipes
Proceedings Papers

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

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Ichiro Tamura, Michiya Sakai, Shinichi Matsuura, Ryuya Shimazu, Hiroaki Tamashiro, Soichi Mabuchi
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A031, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
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

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

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Michiya Sakai, Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu, Yohei Ono, Yutaka Hagiwara
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A028, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
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
Proceedings Papers

Simplified Seismic Response Analysis Method Using Reduced Model of Piping System

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Michiya Sakai, Ryuya Shimazu, Shinichi Matsuura, Ichiro Tamura
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A005, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
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

Ultimate Limit States of Piping Supports With Outer Diagonal Brace Under High Acceleration Sinusoidal Shaking Condition

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Ryuya Shimazu, Michiya Sakai
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A023, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84937
https://doi.org/10.1115/PVP2018-84937
View Paper titled, Ultimate Limit States of Piping Supports With Outer Diagonal Brace Under High Acceleration Sinusoidal Shaking Condition
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Topics: Bracing (Construction), Pipes, Stress, Buckling, Vibration tests, Fatigue cracks, Fatigue failure, Vibration, Electricity (Physics), Evaluation methods
Proceedings Papers

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

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Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu, Koji Kimura
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A029, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
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

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

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Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu, Koji Kimura
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A007, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
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

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

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Ichiro Tamura, Shinichi Matsuura, Ryuya Shimazu
Proc. ASME. PVP2016, Volume 8: Seismic Engineering, V008T08A029, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
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