Side Impact Test and Analyses of a DOT-105 Tank Car

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

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Side Impact Test and Analyses of a DOT-105 Tank Car

2019-05-01
By Carolan, Michael ; Rakoczy, Przemyslaw

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English

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Details:

Creators:

Carolan, Michael ; Rakoczy, Przemyslaw

Carolan, Michael ; Rakoczy, Przemyslaw Less -
Corporate Creators:

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

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

United States. Federal Railroad Administration. Office of Railroad Policy and Development
Subject/TRT Terms:

[+]

DOT-105 Tank Car FE FEA Finite Element Finite Element Analysis Finite Element Method Impact Tests Mathematical Methods Puncture Resistance Ram Car Ram Head Side Collisions Tank Car Performance Tank Cars TIH Toxic By Inhalation Transportation Safety
Publication/ Report Number:

DOT/FRA/ORD-19/12
Resource Type:

Tech Report
Geographical Coverage:

Colorado ; United States

Colorado ; United States Less -
Edition:

Final report; Apr 17, 2016
Contracting Officer:

Francisco Gonzales, III
Corporate Publisher:

United States. Federal Railroad Administration. Office of Railroad Policy and Development
NTL Classification:

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

Transportation Technology Center, Inc. (TTCI) conducted a side impact test on a Department of Transportation (DOT)-105A500W (referred to DOT-105) tank car to evaluate the performance of it 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 89.4 percent of its volume and pressurized to 100 psi. The tank car was impacted at 15.2 mph by a 297,125-pound ram car with 12- by 12-inch ram head fitted to the ram car. The ram car impacted the tank center; it punctured the tank after slowing nearly to a stop. The John A. Volpe National Transportation Systems Center (Volpe) performed finite element (FE) modeling to estimate the overall response of the tank to the impact. The pre-test model used two different material models for the steel in the tank car shell. The pre-test model that used a lower-ductility material response was found to be in very good agreement with the test results. After the test, material coupons were cut from the car and subjected to tensile testing. The post-test FE model was updated to include the actual material behavior of the test car, and continued to give very good agreement with the test measurements. The test data is intended to be useful to entities who wish to develop FE models of tank cars under similar puncture conditions in their modeling validation and verification efforts. By comparing model results to actual test measurements, confidence can be developed in the modeling techniques when simulating other impact conditions.
Format:

PDF
Funding:

DTFR53-11-D-00008 ; Task Order 008

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

Federal Railroad Administration Volpe Center
Main Document Checksum:

[+]

urn:sha256:1c97493b6cf36aecd12b28aed67cb4bd0a4337c757a78a5da7899ac6144aa2cf
Download URL:

https://rosap.ntl.bts.gov/view/dot/40277/dot_40277_DS1.pdf
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Side Impact Test and Analyses of a DOT-105 Tank Car

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