1-20 of 108
Geometry
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Dynamic Amplification of Transit Loads due to Derailment Impact

John A. Lobo, Robert MacNeill
Proc. ASME. JRC2022, 2022 Joint Rail Conference, V001T07A001, April 20–21, 2022
Publisher: American Society of Mechanical Engineers
Paper No: JRC2022-78032
https://doi.org/10.1115/JRC2022-78032
View Paper titled, Dynamic Amplification of Transit Loads due to Derailment Impact
Open the PDF for Dynamic Amplification of Transit Loads due to Derailment Impact in another window
Topics: Stress, Stiffness, Bridges (Structures), Rails, Vehicles, Pavement live loads, Springs, Trains, Accounting, Composite materials
Proceedings Papers

Effect of Prestressing Wire Indent Geometry on Transfer Length and Tie Splitting Propensity

B. Terry Beck, Aaron A. Robertson, Robert J. Peterman
Proc. ASME. JRC2022, 2022 Joint Rail Conference, V001T01A009, April 20–21, 2022
Publisher: American Society of Mechanical Engineers
Paper No: JRC2022-79748
https://doi.org/10.1115/JRC2022-79748
View Paper titled, Effect of Prestressing Wire Indent Geometry on Transfer Length and Tie Splitting Propensity
Open the PDF for Effect of Prestressing Wire Indent Geometry on Transfer Length and Tie Splitting Propensity in another window
Topics: Geometry, Wire, Cracking (Materials), Fracture (Process), Railroad ties, Prestressed concrete, ASTM International, Bearings, Bonding, Concretes
Proceedings Papers

Development and Verification of a Moment-Curvature Based Railroad Tie Analysis Program

Yu-Szu Chen, Christopher A. Jones, Robert J. Peterman
Proc. ASME. JRC2022, 2022 Joint Rail Conference, V001T01A008, April 20–21, 2022
Publisher: American Society of Mechanical Engineers
Paper No: JRC2022-79590
https://doi.org/10.1115/JRC2022-79590
View Paper titled, Development and Verification of a Moment-Curvature Based Railroad Tie Analysis Program
Open the PDF for Development and Verification of a Moment-Curvature Based Railroad Tie Analysis Program in another window
Topics: Concretes, Crack propagation, Cracking (Materials), Deflection, Design, Dimensions, Finite element analysis, Flexural behavior, Fracture (Process), Geometry
Proceedings Papers

Examination of Fast Track Geometry and Vehicle/Track Interaction Exceptions

Abe Meddah, Silvia Galván-Núñez
Proc. ASME. JRC2022, 2022 Joint Rail Conference, V001T07A004, April 20–21, 2022
Publisher: American Society of Mechanical Engineers
Paper No: JRC2022-79569
https://doi.org/10.1115/JRC2022-79569
View Paper titled, Examination of Fast Track Geometry and Vehicle/Track Interaction Exceptions
Open the PDF for Examination of Fast Track Geometry and Vehicle/Track Interaction Exceptions in another window
Topics: Geometry, Vehicles
Proceedings Papers

Development of Track Geometry Degradation Model & Review of Recovery Models

Daniel Hailemichael Wordofa
Proc. ASME. JRC2022, 2022 Joint Rail Conference, V001T01A006, April 20–21, 2022
Publisher: American Society of Mechanical Engineers
Paper No: JRC2022-79370
https://doi.org/10.1115/JRC2022-79370
View Paper titled, Development of Track Geometry Degradation Model & Review of Recovery Models
Open the PDF for Development of Track Geometry Degradation Model & Review of Recovery Models in another window
Topics: Geometry
Proceedings Papers

Forecasting Track Geometry Degradation Using GPR Based Ballast Condition

Allan M. Zarembski, Joseph W. Palese, Mike Nguyen
Proc. ASME. JRC2022, 2022 Joint Rail Conference, V001T01A007, April 20–21, 2022
Publisher: American Society of Mechanical Engineers
Paper No: JRC2022-79586
https://doi.org/10.1115/JRC2022-79586
View Paper titled, Forecasting Track Geometry Degradation Using GPR Based Ballast Condition
Open the PDF for Forecasting Track Geometry Degradation Using GPR Based Ballast Condition in another window
Topics: Geometry, Maintenance, Radar, Railroads
Proceedings Papers

An Evaluation of Derailment Mechanics and Derailment Analysis Methodologies

Steven W. Kirkpatrick
Proc. ASME. JRC2021, 2021 Joint Rail Conference, V001T06A004, April 20–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: JRC2021-58527
https://doi.org/10.1115/JRC2021-58527
View Paper titled, An Evaluation of Derailment Mechanics and Derailment Analysis Methodologies
Open the PDF for An Evaluation of Derailment Mechanics and Derailment Analysis Methodologies in another window
Topics: Automobiles, Automotive design, Brakes, Braking, Collisions (Physics), Delays, Finite element analysis, Finite element model, Geometry, Materials properties
Proceedings Papers

Toward Railway Automated Defect Detection From Onboard Data Using Deep Learning

Milad Afzalan, Farrokh Jazizadeh, Mehdi Ahmadian
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T08A002, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8031
https://doi.org/10.1115/JRC2020-8031
View Paper titled, Toward Railway Automated Defect Detection From Onboard Data Using Deep Learning
Open the PDF for Toward Railway Automated Defect Detection From Onboard Data Using Deep Learning in another window
Topics: Flaw detection, Railroads, Time series, Data collection, Maintenance, Rails, Geometry, Instrumentation, Machine learning, Safety
Proceedings Papers

A Numerical Investigation of Laterally Loaded Steel Fin Pile Foundations

Te Pei, Tong Qiu, Jeffrey A. Laman
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T08A012, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8097
https://doi.org/10.1115/JRC2020-8097
View Paper titled, A Numerical Investigation of Laterally Loaded Steel Fin Pile Foundations
Open the PDF for A Numerical Investigation of Laterally Loaded Steel Fin Pile Foundations in another window
Topics: Pilings (Building), Steel, Finite element analysis, Stress, Fins, Load bearing capacity, Soil, Computer simulation, Density, Displacement
Proceedings Papers

Wheel-Rail Contact Patch Geometry Measurement and Shape Analysis Under Various Loading Conditions

Ahmad Radmehr, Arash Hosseinian Ahangarnejad, Yu Pan, SayedMohammad Hosseini, Ali Tajaddini, Mehdi Ahmadian
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T13A005, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8042
https://doi.org/10.1115/JRC2020-8042
View Paper titled, Wheel-Rail Contact Patch Geometry Measurement and Shape Analysis Under Various Loading Conditions
Open the PDF for Wheel-Rail Contact Patch Geometry Measurement and Shape Analysis Under Various Loading Conditions in another window
Topics: Geometry, Pressure, Rails, Rollers, Shapes, Wheels
Proceedings Papers

Developing Finite Element Models to Examine Rail Defects Under Combined Loading

Michael Carolan, Benjamin Perlman
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T01A008, April 9–12, 2019
Publisher: American Society of Mechanical Engineers
Paper No: JRC2019-1268
https://doi.org/10.1115/JRC2019-1268
View Paper titled, Developing Finite Element Models to Examine Rail Defects Under Combined Loading
Open the PDF for Developing Finite Element Models to Examine Rail Defects Under Combined Loading in another window
Topics: Finite element model, Rails, Stress, Modeling, Wheels, Fracture (Materials), Geometry, Railroads, Steel, Blocks (Building materials)
Proceedings Papers

A High Resolution Automated Prestressing Wire Indent Profiling System for Verification of Wire-Concrete Mix Compatibility

B. Terry Beck, Aaron A. Robertson, Robert J. Peterman, Adrijana Savic, Chih-Hang John Wu, Kyle A. Riding, John Bloomfield
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T01A009, April 9–12, 2019
Publisher: American Society of Mechanical Engineers
Paper No: JRC2019-1269
https://doi.org/10.1115/JRC2019-1269
View Paper titled, A High Resolution Automated Prestressing Wire Indent Profiling System for Verification of Wire-Concrete Mix Compatibility
Open the PDF for A High Resolution Automated Prestressing Wire Indent Profiling System for Verification of Wire-Concrete Mix Compatibility in another window
Topics: Concretes, Resolution (Optics), Wire, Cracking (Materials), Fracture (Process), Failure, Prestressed concrete, Railroad ties, ASTM International, Bearings
Proceedings Papers

A Machine Learning Approach for Track Condition Assessment Through Repeated Historical Data Analytics

Milad Afzalan, Farrokh Jazizadeh, Mehdi Ahmadian
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T01A011, April 9–12, 2019
Publisher: American Society of Mechanical Engineers
Paper No: JRC2019-1272
https://doi.org/10.1115/JRC2019-1272
View Paper titled, A Machine Learning Approach for Track Condition Assessment Through Repeated Historical Data Analytics
Open the PDF for A Machine Learning Approach for Track Condition Assessment Through Repeated Historical Data Analytics in another window
Topics: Certainty, Condition monitoring, Data collection, Decision making, Geometry, Inspection, Machine learning, Maintenance, Railroads, Rails
Proceedings Papers

Investigation of the Exposure From a Realistic Undercar Fire on a Railcar Floor

M. J. DiDomizio, C. Luo, S. Yazdani, B. Lattimer
Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T06A020, April 18–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: JRC2018-6251
https://doi.org/10.1115/JRC2018-6251
View Paper titled, Investigation of the Exposure From a Realistic Undercar Fire on a Railcar Floor
Open the PDF for Investigation of the Exposure From a Realistic Undercar Fire on a Railcar Floor in another window
Topics: Fire, Heat flux, Diesel, Fire resistance, Municipal solid wastes, Solid wastes, Temperature, Computational fluid dynamics, Dynamics (Mechanics), Engineering simulation
Proceedings Papers

Investigating the Rolling Contact Fatigue in Rails Using Finite Element Method and Cohesive Zone Approach

Mohamad Ghodrati, Mehdi Ahmadian, Reza Mirzaeifar
Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T01A013, April 18–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: JRC2018-6183
https://doi.org/10.1115/JRC2018-6183
View Paper titled, Investigating the Rolling Contact Fatigue in Rails Using Finite Element Method and Cohesive Zone Approach
Open the PDF for Investigating the Rolling Contact Fatigue in Rails Using Finite Element Method and Cohesive Zone Approach in another window
Topics: Fatigue, Finite element methods, Rails, Rolling contact, Traction, Fatigue damage, Temperature, Wheels, Grain boundaries, Stress
Proceedings Papers

Ballast Support Condition Affecting Crosstie Performance Investigated Through Discrete Element Method

Wenting Hou, Bin Feng, Wei Li, Erol Tutumluer
Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T01A022, April 18–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: JRC2018-6258
https://doi.org/10.1115/JRC2018-6258
View Paper titled, Ballast Support Condition Affecting Crosstie Performance Investigated Through Discrete Element Method
Open the PDF for Ballast Support Condition Affecting Crosstie Performance Investigated Through Discrete Element Method in another window
Topics: Discrete element methods, Particulate matter, Pressure, Stress, Engineering simulation, Simulation, Rails, Aggregates (Building materials), Concretes, Geometry
Proceedings Papers

Relationships Between Wheel/Rail Surface Impact Loadings and Correspondingly Transmitted Tie/Ballast Impact Pressures for Revenue Train Operations

Travis J. Watts, Jerry G. Rose, Ethan J. Russell
Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T01A014, April 18–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: JRC2018-6184
https://doi.org/10.1115/JRC2018-6184
View Paper titled, Relationships Between Wheel/Rail Surface Impact Loadings and Correspondingly Transmitted Tie/Ballast Impact Pressures for Revenue Train Operations
Open the PDF for Relationships Between Wheel/Rail Surface Impact Loadings and Correspondingly Transmitted Tie/Ballast Impact Pressures for Revenue Train Operations in another window
Topics: Rails, Trains, Wheels, Pressure, Pressure measurement, Force measurement, Freight cars, Geometry, Granular materials, Locomotives
Proceedings Papers

Ballast Life and Effective Parameters

Hamed F. Kashani, James P. Hyslip
Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T01A023, April 18–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: JRC2018-6264
https://doi.org/10.1115/JRC2018-6264
View Paper titled, Ballast Life and Effective Parameters
Open the PDF for Ballast Life and Effective Parameters in another window
Topics: Geometry, Life cycle costing, Maintenance, Railroads, Service life (Equipment), Surface roughness, Traffic
Proceedings Papers

Fire Growth in Standard Tests and Railcars

Charles Luo, Soroush Yazdani, Brian Y. Lattimer
Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T06A022, April 18–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: JRC2018-6257
https://doi.org/10.1115/JRC2018-6257
View Paper titled, Fire Growth in Standard Tests and Railcars
Open the PDF for Fire Growth in Standard Tests and Railcars in another window
Topics: Fire, Doors, Corners (Structural elements), Engineering simulation, Heat, Simulation, Temperature, Dynamics (Mechanics), Finishes, Fire testing
Proceedings Papers

Defect Prognostics Models for Spall Growth in Railroad Bearing Rolling Elements

Nancy De Los Santos, Constantine M. Tarawneh, Robert E. Jones, Arturo Fuentes
Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T02A011, April 18–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: JRC2018-6214
https://doi.org/10.1115/JRC2018-6214
View Paper titled, Defect Prognostics Models for Spall Growth in Railroad Bearing Rolling Elements
Open the PDF for Defect Prognostics Models for Spall Growth in Railroad Bearing Rolling Elements in another window
Topics: Bearings, Railroads, Cycles, Safety, Maintenance, Monitoring systems, Testing, Alloys, Condition monitoring, Delays