TRACK/TRAIN DYNAMICS TEST REPORT MODAL SURVEY

The modal survey vibration test conducted on an 80 ton open hopper freight car is described. The test data, the post-test update of the modal survey test requirements and procedure, and an index to the test data are presented. Photographs of actual measurement locations and the test historical log are included. (Author)

• Corporate Authors:

  Martin Marietta Aerospace

  Orlando, FL  United States  32805
• Authors:
  • Vigil, R A
• Publication Date: 1975-1-31

Media Info

• Pagination: 314 p.

Subject/Index Terms

• TRT Terms: Commodities; Data collection; Deformation curve; Dynamic loads; Dynamic modulus of elasticity; Dynamic tests; Freight cars; Freight transportation; Hopper cars; Instrumentation; Loads; Railroad transportation; Test vehicles; Train track dynamics; Vehicle dynamics; Vibration; Vibration tests
• Uncontrolled Terms: Dynamic analysis; Dynamic response
• Old TRIS Terms: Freight car dynamics; Test cars
• Subject Areas: Design; Freight Transportation; Railroads;

Filing Info

• Accession Number: 00094278
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: NASA-CR-144000
• Contract Numbers: NAS8-29882
• Files: TRIS
• Created Date: Mar 29 1976 12:00AM