Abstract
Road safety barriers are used to increase safety in potentially dangerous places on the roads. They are designed and installed on the roads to prevent any vehicle from getting outside the travelled way or from entering the opposite lane of the road. Barriers, which are used on European roads, have to undergo full scale crash tests according to the EN 1317 standards. Nowadays as a supplement to real crash tests, numerical simulations are commonly used. The work concerns the influence of position of the post or its absence on the crashworthiness of the cable barrier based on numerical study results.
Highlights
Nowadays, when a number of new roads and motorways are being built, the issue of proper location of road restraint systems becomes more and more important
The acceleration severity index (ASI) results obtained for variable impact position are shown in fig
The impact location has a slight influence on the ASI value
Summary
Nowadays, when a number of new roads and motorways are being built, the issue of proper location of road restraint systems becomes more and more important. These devices are not neutral i.e. vehicle impact with barrier can be dangerous. Safety barriers undergo appropriate crash tests and meet the requirements according to EN 1317 standards [1, 2]. These standards do not indicate the type of a safety barrier system to be used on a given road category, leaving these decisions to national or local road authorities
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