Abstract:The main function of a road guardrail is to redirect an out of control vehicle avoiding a frontal collision or a dangerous veering off the road trajectory. Secondarily, the energy absorption measured by barrier deformation or any other energy dissipation method is beneficial to the car occupant safety. Considering the previous tasks and some severity occupant index like ASI, THIV and PHD, the performance of a guardrail and other concrete barriers are classified. Besides, it is investigated the fail mechanism o… Show more
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