Full-scale tank car rollover tests - survivability of top fittings and top fittings protective structures : final report.

Details

• Creators:
  Trent, Robert ; Prabhakaran, Anand ; Brabb, David ; Sharma, Vinaya
• Corporate Creators:
  Sharma & Associates, Inc.
• Corporate Contributors:
  United States. Federal Railroad Administration. Office of Research, Development, and Technology
• Subject/TRT Terms:
  • Derailments
  • Finite element method
  • Fittings
  • Crash tests
  • Rollover crashes
  • Tank cars
  • Vehicle design
  • Weldments Full-scale testing
  • fittings
  • protection
  More +
• Publication/ Report Number:
  DOT/FRA/ORD-16/12
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States
• Edition:
  Final report
• Corporate Publisher:
  United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development, and Technology
• Abstract:
  Full-scale rollover crash tests were performed on three non-pressure tank carbodies to validate previous analytical work and ; determine the effectiveness of two different types of protective structures in protecting the top fittings. The tests were performed ; with three different tank cars: 1) an unprotected base case car, 2) a base case car with an added protective skid weldment, and 3) a ; base car with an added protective bolt-on sleeve on the unloading nozzle with a reinforcing cone. Test conditions such as the ; impacting speed and angle were controlled by pivoting the carbodies in a fixture about a fixed axis and the fittings (or protective ; structures) impacted a concrete target pad. Before each test, proper test conditions and parameters were determined by Dynamic ; Finite Element analysis. ; These tests establish that the skid and bolt-on sleeve concepts are efficient and practical methods for protecting top fittings on ; non-pressure cars from failure (and lading release) during rollover derailments. The demonstrated concepts can be developed into ; application-specific designs by tank car builders and implemented on tank cars as appropriate.
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/31184/dot_31184_DS1.pdf
• File Type:
  [PDF - 6.26 MB]
• Collection(s):
  US Transportation Collection ; Federal Railroad Administration
• Main Document Checksum:
  urn:sha-512:a019e5e91140eb8c45d3d20744b769a4af644cce556cc116db8de584924994217c6cc2a6d9d6310c1f5b727d0fd28767af6ae0864bd196498cd1a697ad4fc2bf