Finite Element Analysis of Vehicle Dynamics on Single Slope Barriers Under MASH Testing

Scott, D. W.; Stewart, L. K.; Georgia. Dept. of Transportation. Office of Performance-Based Management and Research; Georgia Institute of Technology. School of Civil Engineering

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Finite Element Analysis of Vehicle Dynamics on Single Slope Barriers Under MASH Testing

2018-08-01
By Scott, D. W. ; Stewart, L. K.

[PDF-2.19 MB]

English

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Details:

Creators:

Scott, D. W. ; Stewart, L. K.

Scott, D. W. ; Stewart, L. K. Less -
Corporate Creators:

Georgia. Dept. of Transportation. Office of Performance-Based Management and Research ; Georgia Institute of Technology. School of Civil Engineering

Georgia. Dept. of Transportation. Office of Performance-Based Management and Research ; Georgia Institute of Technology. School of Civil Engineering Less -
Subject/TRT Terms:

[+]

Barriers Barriers (Roads) Crash Simulation Finite Element Analysis Finite Element Method Guardrails Impact Tests Traffic Simulation
Publication/ Report Number:

FHWA-GA-18-1733
Resource Type:

Tech Report
Geographical Coverage:

United States ; Georgia

United States ; Georgia Less -
Edition:

Final Report
Corporate Publisher:

Georgia. Dept. of Transporation. Office of Performance-Based Management and Research ; Georgia Institute of Technology

Georgia. Dept. of Transporation. Office of Performance-Based Management and Research ; Georgia Institute of Technology Less -
Abstract:

The Georgia Tech research team utilized the commercially available finite element program LS-DYNA to simulate impacts of a number of vehicles with two sloped barriers under specific impact conditions from the AASHTO Manual for Assessing Safety Hardware (MASH). The vehicle categories chosen for the analysis were a standard passenger car, light pickup truck, and heavy single unit truck. The concrete barriers were modeled with rigid material representation in all of the analyses. Two MASH criteria were used to evaluate the FEA simulation results: (1) MASH Structural Adequacy Criteria A - Test article should contain and redirect the vehicle or bring the vehicle to a controlled stop; the vehicle should not penetrate, underride, or override the installation although controlled lateral deflection of the test article is acceptable; and (2) MASH Occupant Risk Criteria F - The vehicle should remain upright during and after collision, and the maximum roll and pitch angles are not to exceed 75 degrees. For each impact condition and vehicle type, the simulations indicated that the barriers will satisfy the two pertinent MASH evaluation criteria.
Format:

PDF
Funding:

A180401
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:85d365c0e7f19a7349592d9dc5c66b113e710bffe937ddfed0de36315a623bd1
Download URL:

https://rosap.ntl.bts.gov/view/dot/36997/dot_36997_DS1.pdf
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Finite Element Analysis of Vehicle Dynamics on Single Slope Barriers Under MASH Testing

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