Dynamic simulation of collisions of heavy high-speed trucks with concrete barriers

Yoshito Itoh, Chunlu Liu and Ryuichi Kusama

Chaos, Solitons & Fractals, 2007, vol. 34, issue 4, 1239-1244

Abstract: Real vehicle collision experiments on full-scale road safety barriers are important to determine the outcome of a vehicle versus barrier impact accident. However, such experiments require large investment of time and money. Numerical simulation has therefore been imperative as an alternative method for testing concrete barriers. In this research, spring subgrade models were first developed to simulate the ground boundary of concrete barriers. Both heavy trucks and concrete barriers were modeled using finite element methods (FEM) to simulate dynamic collision performances. Comparison of the results generated from computer simulations and on-site full-scale experiments demonstrated that the developed models could be applied to simulate the collision of heavy trucks with concrete barriers to provide the data to design new road safety barriers and analyze existing ones.

Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:34:y:2007:i:4:p:1239-1244

DOI: 10.1016/j.chaos.2006.05.059

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