Year 2, Issue 2, 2025
swarm.craa.cz, ISSN 3029-7508
Safety, Work And Rescue Magazine
Pages 4-12, https://doi.org/10.71319/swarm2502.04-11

Issue of falling of a human subject from height with emphasis on railing height

Eduard Kolla1, Veronika Adamová2, Lukáš Szabo3

1 Ústav znaleckého výskumu a vzdelávania, Žilinská univerzita v Žiline, eduard.kollaSWARM - Safety, Work And Rescue Magazineuniza.sk
2 Fakulta bezpečnostného inžinierstva, Katedra bezpečnostného manažmentu, Žilinská univerzita v Žiline, veronika.adamovaSWARM - Safety, Work And Rescue Magazineuniza.sk
3 Lukáš Szabo, lukas.szabo666SWARM - Safety, Work And Rescue Magazinegmail.com

Type of Paper
Review

Keywords
Biomechanics, fall from height, guardrail, multibody model, PC-Crash, reconstruction, simulation.

CC BY licensed Open Access article
logo licence Creative Commons Attribution CC BY 4.0

Abstract
The presented paper describes a forensic biomechanical reconstruction of a human fall from a hotel balcony, with special emphasis on the effect of railing height. The reconstruction integrates methods from forensic engineering, criminal science, biomechanics, numerical simulation, and 3D documentation. By using a multibody simulation in PC-Crash combined with a metrically accurate 3D model of the scene derived from a point cloud, the study enables an objective, quantitative evaluation of the incident dynamics. The paper compares the reconstructed fall trajectory with legislative standards for railing height, highlighting potential safety deficiencies. The findings demonstrate how scientifically based numerical reconstruction can support expert opinions in legal proceedings and contribute to the design of preventive measures in construction, thereby reducing the risk of human falls from height due to insufficient structural design of building elements.

This work was created within the project APVV-20-0626: Biofidelic human body surrogate to increase the objectivity within the forensic analysis of road traffic accidents.

This work was created within the project VEGA: 1/0775/24: Increasing the accuracyof 3D trace documentation for the purposes of forensic-technical and expert activities

Funded by the EU NextGenerationEU through the Recovery and Resilience Plan for Slovakia under the project No. 09I03- 03-V05-00002.

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