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- Title
Mobile anti-vehicle barrier made of high-performance fibre-reinforced concrete.
- Authors
Konrád, Petr; Mára, Michal; Fornůsek, Jindřich; Nouzovský, Luboš; Zatloukal, Jan; Kohout, Tomáš; Vrtal, Pavel; Sovják, Radoslav; Konvalinka, Petr
- Abstract
The article presents a mobile anti-vehicle barrier created from a high-performance fibre-reinforced concrete, which resembles a historical design of the Czech Hedgehog barrier. The performance of this design when subjected to a moderate velocity vehicle impact was evaluated. A preliminary crash test provided basic data to perform an optimisation of the design using numerical simulations conducted in LS-DYNA. Several key observations were made regarding the crucial role of the barrier-surface interactions and overall barrier behaviour. Based on the simulations, improved geometry of the barrier was proposed and subjected to more full-scale crash tests with various barrier placements. The improved barrier design was able to stop an ordinary road vehicle weighing 1300 kg moving with a velocity of 48 km/h while retaining beneficial characteristics, most importantly low weight.
- Subjects
CRASH testing; CONCRETE; COMPUTER simulation
- Publication
Advances in Structural Engineering, 2021, Vol 24, Issue 11, p2364
- ISSN
1369-4332
- Publication type
Article
- DOI
10.1177/1369433221997728