Computer Simulation of A Break-Away Support

by Thomas C. Edwards,

Serial Information: Journal of the Highway Division, 1967, Vol. 93, Issue 2, Pg. 169-188

Document Type: Journal Paper


Present (1967) highway design concepts place sign support structures close to the roadway. The supports are a hazard to the motoring public. A break-away concept has been developed to make these supports safer. A mathematical model is developed which can be used to investigate the response of a break-away sign support. The model is based on a discrete mass system representing the support and vehicle. Numerical techniques are used to integrate the equation of motion. The model is verified by comparison with data from a full-scale test of a sign support.

Subject Headings: Highway and road design | Mathematical models | Computer models | Traffic signs | Equations of motion | Highway and road structures | Conceptual design | Support structures

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