Side Impact Test and Analyses of a DOT-117 Tank Car

Rakoczy, Przemyslaw; Carolan, Michael; Gorhum, Travis; Eshraghi, Shaun; Transportation Technology Center, Inc.; John A. Volpe National Transportation Systems Center (U.S.)

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Side Impact Test and Analyses of a DOT-117 Tank Car

2019-05-01
By Rakoczy, Przemyslaw ; Carolan, Michael ; Gorhum, Travis ; ...

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Creators:

Rakoczy, Przemyslaw ; Carolan, Michael ; Gorhum, Travis ; Eshraghi, Shaun

Rakoczy, Przemyslaw ; Carolan, Michael ; Gorhum, Travis ; Eshraghi, Shaun Less -
Corporate Creators:

Transportation Technology Center, Inc. ; John A. Volpe National Transportation Systems Center (U.S.)

Transportation Technology Center, Inc. ; John A. Volpe National Transportation Systems Center (U.S.) Less -
Corporate Contributors:

United States. Federal Railroad Administration. Office of Research, Development, and Technology ; United States. Federal Railroad Administration. Office of Railroad Policy and Development

United States. Federal Railroad Administration. Office of Research, Development, and Technology ; United States. Federal Railroad Administration. Office of Railroad Policy and Development Less -
Subject/TRT Terms:

[+]

Finite Element Method Impact Tests Mathematical Models Puncture Resistance Side Collisions Tank Cars
Publication/ Report Number:

DOT/FRA/ORD-19/13
Resource Type:

Tech Report
Geographical Coverage:

Colorado
Edition:

Technical report; Sep 28, 2016
Contracting Officer:

Francisco Gonzales, III
Corporate Publisher:

United States. Federal Railroad Administration. Office of Research, Development, and Technology
NTL Classification:

NTL-RAIL TRANSPORTATION-Rail Safety;NTL-SAFETY AND SECURITY-Rail Safety;NTL-SAFETY AND SECURITY-Vehicle Design;
Abstract:

The Federal Railroad Administration (FRA) conducted a side impact test on a U.S. Department of Transportation (DOT)-117J100W (DOT-117) tank car at the Transportation Technology Center (TTC) 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 was filled with water to approximately 95 percent of its volume and sealed, but not pressurized. The tank car was impacted at 13.9 mph by a 297,125-pound ram car with 12-inch by 12-inch ram head fitted to the ram car. The ram car impacted the tank center; it deformed and cracked the external jacket, but did not puncture the tank’s shell. The Volpe National Transportation Systems Center (Volpe Center) performed pre-test finite element (FE) modeling to estimate the overall response of the tank to the impact. This pre-test models gave results in good agreement with the test results. The post-test FE models were updated to include the actual material behavior and to better represent the test setup. The post-test FE results were in even better agreement with the test results than the pre-test estimates. The modeling and testing performed in this program demonstrated the ability of the fluid response of an impacted tank car to dominate the general force-displacement response, underscoring the importance of modeling the fluid-structure interactions with appropriate techniques. The test data is intended to be used to better understand the shell impact performance of the new specification DOT-117 tank car. The validated FE model can be used to examine additional impact scenarios beyond the tested scenario.
Format:

PDF
Funding:

DTFR53-D-00008 ; Task Order 008 ; TTC-11-003

DTFR53-D-00008 ; Task Order 008 ; TTC-11-003 Less -
Collection(s):

Federal Railroad Administration Volpe Center
Main Document Checksum:

[+]

urn:sha256:bbee043e2a967d676d509c3dc52eb6ec9376e0d22531af8208d2e4d3523a0447
Download URL:

https://rosap.ntl.bts.gov/view/dot/40276/dot_40276_DS1.pdf
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Side Impact Test and Analyses of a DOT-117 Tank Car

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