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- W164497276 abstract "Subsequent to a series of crash test failures during evaluations performed by the Federal Highway Administration, Breakaway Cable Terminal (BCT) replacement and BCT design retrofit are two options currently being studied by the Florida Department of Transportation. The advanced computational mechanics computer code, LS-DYNA, is employed in the investigation of BCT design problems. Several design flaws in the BCT are identified with data created by a computer analysis of prescribed impact scenarios. In addition to severe vehicle damage, vehicular impact induces a fatal rate of deceleration and uncontrolled vehicle trajectory. Analysis of both LS-DYNA data and actual crash test data led to the conclusion that the terminal is initially too rigid, and fails to control vehicle kinetic energy dissipation. The objective of the project is to soften the terminal by strategically weakening the rail with structural modifications that may be applied to existing terminals to ensure steady, controlled dissipation of impact energy. This executive summary summarizes the project results in the following sections: Existing BCT Design Problems; Evaluation of Potential Modifications; Endon Impact with 2000P FEM; and Tensile Strength of Weakened Rail." @default.
- W164497276 created "2016-06-24" @default.
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- W164497276 date "1999-03-31" @default.
- W164497276 modified "2023-09-27" @default.
- W164497276 title "STRUCTURAL MODIFICATIONS OF EXISTING BCT GUARDRAIL TERMINALS. EXECUTIVE SUMMARY" @default.
- W164497276 hasPublicationYear "1999" @default.
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