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            Side Impact Test and Analyses of a DOT-113 Surrogate Tank Car with Cryogenic Lading
      

      
  Document Series
              Technical Reports


      
  Author
          Federal Railroad Administration


      
Report Number
              DOT/FRA/ORD-22/33

  Office
              RDI-22


      Subject
                    Hazardous Materials


      
  Keywords
              Impact test, surrogate DOT-113 tank car, tank car performance, transportation safety, tank car, hazardous materials, rolling stock, test


      

      
      
              
                  
      
              
  Document
              DOT-113 Surrogate LN2.pdf (11.89 MB)

      
              The Federal Railroad Administration (FRA) conducted a side impact test of a surrogate DOT-113 tank car at the Transportation Technology Center, Inc. (TTCI) to evaluate the performance of the tank car under dynamic impact conditions and to provide data for the verification and refinement of a computational model. The tank car surrogate was filled with liquid nitrogen at -320 °F to achieve a 5 percent outage. The targeted pressure range for this test was 15 to 35 psig. During the test, the pressure in the tank car was 30 psig. The tank car was impacted by a 297,200-pound ram car traveling at 18.3 mph fitted with a 12-inch by 12-inch impactor. The ram car impacted the tank car 32 inches off-center toward the A-End. The tank car was not punctured. The Volpe National Transportation Systems Center (Volpe) performed pre-test finite element (FE) modeling to estimate the overall response of the tank to the impact. The goal of the DOT-113 side impact test series is to analyze the side impact performance of a DOT-113 tank car carrying liquefied natural gas (LNG) under typical service conditions. Once confidence in the FE model is achieved, this model will be used to estimate the puncture resistance of a DOT-113 tank car carrying LNG.
      
            
      
      
              Last updated: Tuesday, September 13, 2022 U.S. DEPARTMENT OF TRANSPORTATION

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