What question did this study set out to answer?

The aim is to evaluate the structural durability and remaining service life of an excavator boom under cyclic loads in a quarry environment.

Assessment of the Remaining Service Life of Excavators’ Structural Components at Roşia Poieni Quarry

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Analysis assesses the structural durability of an excavator boom, indicating high failure risk in mining applications.

The aim is to evaluate the structural durability and remaining service life of an excavator boom under cyclic loads in a quarry environment.
Used Finite Element Method (FEM) to analyze the boom's stress state.
Performed fatigue analysis to estimate the remaining service life.
Applied Wöhler curve to determine failure cycles and mean time to failure.
Evaluated safety factor using Goodman diagram.
Identified approximately 3.98×10^4 cycles to failure.
Estimated mean time to failure of 4457.14 hours.
Calculated a safety factor of 1.49, indicating a potential risk of failure.
Confirmed critical stress concentrations in vulnerable zones.

Mihaela Toderaş (2026) studied this question.

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