AAR/ARCI Freight Car Fatigue Task Force II - Marts-rail.org

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Test Program – Coal Car SRI 14D Instrumentation ♦2 Force measuring wheels ♦2 Axles to measure strain ♦Accelerations on body both ends • One brake valve ♦Brake beam strains ♦Top chord strains FCFTF Instrumentation ♦Bolster strains and forces ♦Side bearing loads ♦Coupler Force ♦Side frame loads ♦Top chord strains ® © TTCI/AAR, 2010, Filename p24
Test Program – Coal Car MEASUREMENT Transducer Type, Comment Data Type, Analysis MEASURMENT Center Plate Vertical Load Side Bearing Load Bridge Longitudinal Coupler Load Strain Gage, calibrated in load frame Instrumented Coupler Time History, Rainflow Cycle Counting Post Test Processing SYSTEM MEASUREMENTS Power System Time History GPS Train Speed GPS Time History GPS Train Location GPS Time History CAR BODY STRUCTURAL MEASUREMENTS Car Body Strain Locations (Key locations, twist, etc.) Strain gage, locations based on car type (history, analysis) Time History, Rainflow Post Processing BOLSTER AND SIDEFRAME LOAD SPECTRA Bolster Load SF Vertical Load SF Lateral Load Strain Gage, calibrated in load frame Time History, Rainflow Post Processing ® © TTCI/AAR, 2010, Filename p25
Page 1 and 2: AAR/ARCI Freight Car Fatigue Task F
Page 3 and 4: Today’s Presentation: ti ♦Why U
Page 5 and 6: Why Updating is Needed Current Guid
Page 7 and 8: Why Updating is Needed Fatigue fail
Page 9 and 10: Why Updating is Needed The pathway
Page 11 and 12: Approach Taken / This Task Force’
Page 13 and 14: Revised Chapter VII Over-the-road t
Page 15 and 16: Today’s Presentation: ♦Why Upda
Page 17 and 18: Test Program ♦These tests are fun
Page 19 and 20: Test Program Test Route Selection
Page 21 and 22: Test Program Chapter VII Updating a
Page 23: Test Program - Coal Car FCFTF coal
Page 27 and 28: Test Program - Coal Car Phase I Tes
Page 29 and 30: Test Program - Coal Car Large top c
Page 31 and 32: Test Program - Coal Car Bolster an
Page 33 and 34: Test Program - Intermodal Car 5-Uni
Page 35 and 36: Test Program - Intermodal Car ® ©
Page 37 and 38: Results for Intermodal Car Testing
Page 39 and 40: Results for Intermodal Car Testing
Page 41 and 42: Testing and Simulations for the Dev
Page 43 and 44: Testing and Simulations for the Dev
Page 45 and 46: Status: Chapter 7, Section C, Part

AAR/ARCI Freight Car Fatigue Task Force II - Marts-rail.org

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