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Experimental and Numerical Study of Stirrup Fatigue.
Abdelwaheb Zeidi1, Khaled Elleuch1, Şaban Hakan Atapek2
1Laboratoire de Génie des Matériaux et Environnement, Ecole Nationale d'Ingénieurs de Sfax, Sfax University, Route Soukra Km 3.5 B.P., Sfax 1173-3038, Tunisia.
Materials (Basel, Switzerland)
|May 4, 2026
Summary
Scaffolding stirrup failure is caused by material hardening and fatigue crack growth. Understanding these mechanisms enhances construction safety and component lifespan.
Area of Science:
- Structural Engineering
- Materials Science
- Mechanical Engineering
Background:
- Fatigue failure in scaffolding components, especially stirrups, presents significant safety risks in high-altitude construction.
- Scaffolding stirrups are critical structural elements susceptible to premature failure under cyclic loading.
Purpose of the Study:
- To analyze fatigue damage mechanisms in scaffolding stirrups.
- To investigate the relationship between material properties, cyclic loading, and failure modes.
- To validate numerical models against experimental data for predicting fatigue behavior.
Main Methods:
- Experimental: Mechanical characterization and micro-hardness testing of stirrup material.
- Numerical: Finite Element Modeling (FEM) with the Johnson-Cook material model for cyclic loading simulation.
- Crack Analysis: Extended Finite Element Method (XFEM) for modeling crack initiation and propagation.
Main Results:
- Material hardening and fatigue crack growth identified as primary causes of stirrup failure.
- Distinct fatigue zones and crack paths were identified through experimental and numerical analysis.
- Quantified relationship between crack growth stages and stirrup bending behavior.
Conclusions:
- The study provides critical insights into the fatigue failure process of scaffolding stirrups.
- Findings can inform improved design and maintenance strategies to enhance scaffolding safety and durability.
- Validated experimental and numerical approaches offer a reliable method for assessing fatigue performance.
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