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Transport Problems

Silesian University of Technology

Subject: Economics , Transportation , Transportation Science & Technology


eISSN: 2300-861X





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VOLUME 15 , ISSUE 3 (September 2020) > List of articles


Damian HADRYŚ * / Andrzej KUBIK / Zbigniew STANIK

Keywords : longitudinal; post-accident repair; passive safety; impact energy

Citation Information : Transport Problems. Volume 15, Issue 3, Pages 5-16, DOI:

License : (CC BY 4.0)

Received Date : 05-February-2019 / Accepted: 25-August-2020 / Published Online: 05-September-2020



Absorption of impact energy by the passive safety elements of the vehicle body is the basic feature to ensure conditions of safety for the driver and passengers in transport. The parts especially designed for this objective in the self-supporting car body are longitudinals. Their energy-absorbing features are designed in different ways. Evaluation of the degree to which the vehicle (body) ensures safety during a collision is difficult and expensive. Usually, tests under impact conditions are required. The most advanced and costly are the tests carried out on a complete vehicle (whole real object for tests). Whole vehicle testing can be replaced by testing of individual car body elements (for example longitudinal). The main aim of this article is to present and compare the results of dynamic studies on model energy-consuming objects (new model longitudinals and model longitudinals repaired with welding methods). For the purpose of this study, models of vehicle passive safety elements (model longitudinals) were designed. On the basis of the conducted tests, it was found that it is worth considering the replacement of collision tests of the whole vehicle by tests of its individual components. This can be considered a new approach that is not widely used. Currently, most often, crash tests of entire vehicles are conducted (high costs) or computer simulations are performed (often with unsatisfactory accuracy).

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