Durability prediction of an ultra-large mining truck tire using an enhanced finite element method

Wedam Nyaaba, Emmanuel Bolarinwa, Samuel Frimpong

Research output: Contribution to journalReview article

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Abstract

Ultra-class mining trucks used for material haulage in rugged surface mining terrains experience premature tire fatigue failure in operation. Typical failures include belt edge separation, ply turn-up separation, and tread base and sidewall cracking. The use of reinforcing fillers and processing aids in tire compounds result in the formation of microstructural in-homogeneities in the compounds. This article presents an application of the critical plane analysis technique for predicting the fatigue life of the belt package of an ultra-large mining truck (CAT 795F) tire of size 56/80R63 in a surface coal mine. Experimental data obtained from extracted specimens (sidewall, tread, and belt edge region) of the tire are used to characterize the stress–strain and fatigue behavior of the modeled tire. The tire’s duty cycle stresses and strains were obtained from finite element analysis of the rolling tire in Abaqus. Fatigue life calculations were performed in the rubber fatigue solver Endurica CL. Effects of inflation pressure, tire speed, and axle load on the fatigue life of the belt package under strain-crystallizing and non-crystallizing conditions of the belt compound are discussed. Specifically, the results show the belt edges to be critical regarding crack nucleation.
Original languageEnglish
Pages (from-to)161-169
Number of pages9
JournalProceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
Volume233
Issue number1
Early online date7 Sep 2018
DOIs
Publication statusPublished - Jan 2019

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Tires
Trucks
Durability
Finite element method
Fatigue of materials
Open pit mining
Axles
Coal mines
Fillers
Rubber
Nucleation
Cracks
Processing

Bibliographical note

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Keywords

  • Mining truck tire
  • belt package
  • critical plane analysis
  • fatigue life
  • finite element method
  • rubber
  • strain-induced crystallization

ASJC Scopus subject areas

  • Aerospace Engineering
  • Mechanical Engineering

Cite this

Durability prediction of an ultra-large mining truck tire using an enhanced finite element method. / Nyaaba, Wedam ; Bolarinwa, Emmanuel; Frimpong, Samuel.

In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, Vol. 233, No. 1, 01.2019, p. 161-169.

Research output: Contribution to journalReview article

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