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Related Experiment Video

Updated: Dec 28, 2025

Experimental Methods to Study Human Postural Control
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Optimization on Personal Fall Arrest Systems. Experimental Dynamic Studies on Lanyard Prototypes.

Juan Carlos Pomares1, Elena Ángela Carrión2, Antonio González1

  • 1Civil Engineering Department, University of Alicante, P.O. Box 99 E-03080 Alicante, Spain.

International Journal of Environmental Research and Public Health
|February 14, 2020
PubMed
Summary

Personal protective equipment (PPE) without energy absorbers can safely arrest falls from height. Current standards need dynamic testing to ensure PPE safety, as static tests may overestimate resistance. This is crucial for improving fall arrest systems.

Keywords:
dynamic performance testfall arrest systemslanyardlow stretch kernmantle and dynamic ropepersonal protective equipmentwebbing

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Area of Science:

  • Occupational Safety and Health
  • Materials Science and Engineering
  • Mechanical Engineering

Background:

  • Falls from height are a leading cause of construction site injuries and fatalities, resulting in significant financial and personal costs.
  • Existing personal protective equipment (PPE) may not adequately address the dynamic forces involved in fall arrest.
  • A large proportion of current work-at-height PPE lacks energy absorbers, a critical safety component.

Purpose of the Study:

  • To evaluate the efficacy of PPE prototypes using dynamic ropes and terminals without energy absorbers in safely arresting falls.
  • To highlight the limitations of current standards (EN 354, EN 364) in assessing fall arrest system performance under dynamic loading.
  • To advocate for improved methods for determining the dynamic response of PPE for enhanced fall protection.

Main Methods:

  • Development and testing of PPE prototypes utilizing dynamic ropes and specific knotting techniques without integrated energy absorbers.
  • Comparative analysis of static versus dynamic load-bearing capacities of fall arrest systems.
  • Evaluation against existing European standards (EN 354, EN 364) with a focus on dynamic performance.

Main Results:

  • Prototypes constructed with dynamic ropes and terminals, even without energy absorbers, demonstrated the capability to safely retain falls.
  • A high loading rate was found to significantly reduce the resistance of PPE compared to static test claims.
  • Over 90% of current work-at-height PPE is utilized without an energy absorber, indicating a widespread reliance on potentially inadequate systems.

Conclusions:

  • Dynamic ropes and terminals without energy absorbers can be effective in fall arrest systems.
  • Current static testing standards are insufficient; dynamic test requirements must be incorporated into EN 354 and EN 364.
  • Accurate determination of PPE's dynamic response is essential for advancing the safety and effectiveness of fall arrest systems.