Gravel arrester beds as a safety measure at the motorway exit ramps: experimental and numerical study
Source abstract
Abstract
At motorway junctions, crash cushions are usually installed to stop impacting vehicles safely. Gravel-filled arrester beds can be used as replacements for crash cushions. They offer improved safety by effectively using an already available large area, and lower-severity impact parameters for passengers while safely stopping the vehicle. The work presented in this paper was conducted to investigate the behaviour of passenger cars on gravel-filled arrester beds. For that purpose, a gravel-filled arrester bed was built, and a series of experiments was performed with passenger cars entering the arrester bed at an initial velocity of up to 75 km/h. Numerical analyses were also performed to validate the model as well as to examine the response of larger vehicles under a variety of conditions. The results have shown that gravel arrester beds can be used to stop heavier errant vehicles safely near road junctions.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Transportation Safety and Impact Analysis · Automotive and Human Injury Biomechanics · Fluid Dynamics Simulations and Interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Mechanical Engineering, Chair of Modelling in Engineering Sciences and Medicine, University of Ljubljana, Ljubljana, Slovenia
Funding
Javna Agencija za Raziskovalno Dejavnost RS · Slovenian motorway company DARS
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