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Development of a real-time mine road maintenance management system using haul truck and road vibration signature analysis.

Authors
Thompson-RJ; Visser-AT; Miller-RE; Lowe-NT
Source
J S Afr Inst Min Metall 2003 Jun; 103(5):265-271
NIOSHTIC No.
20035228
Abstract
The unpaved road network on a surface mine is extensive, comprising numerous roads of varying construction and material qualities with highly variable traffic volumes. Existing haul road maintenance management systems (MMS) work well for predictable traffic volumes, but for complex mine road networks, the MMS becomes onerous. This results in sub-optimal road maintenance strategies with the attendant increase in total road-user costs and reduction in service. A real-time maintenance management system was thus sought to overcome the deficiencies of existing MMS for mine roads. Since most large mines operate trucks with on-board diagnostic data collation, linked through a centralized communication and GPS backbone, it was proposed that road condition could be monitored on a real-time basis through on-board vibration signature analysis. The aim of this paper is to present the development of a real-time mine haul road maintenance management system. Following a review of mine road maintenance practices, the real-time system architecture is introduced and the results of a field trial of on-board vibration signature assessment is presented. The trial results are discussed in the light of road defect signature recognition, analysis, signature repeatability and system limitations. This approach has applicability to other situations such as a network of district roads, subject to an analysis of the economic feasibility. The paper concludes that modem technology has the potential to apply maintenance as and where needed with possible reductions in authority cost and an improvement in service provided for the road user.
Keywords
Road-construction; Maintenance-workers; Mine-workers; Trucking; Vibration; Vibration-effects; Vibration-exposure; Vibration-monitors; Mining-industry; Surface-mining
Contact
R. Miller and T. Lowe, National Institute of Occupational Safety and Health, Spokane Research Laboratory, 315 East Montgomery Avenue, Spokane, WA 99207
CODEN
JSAMAP
Publication Date
20030601
Document Type
Journal Article
Fiscal Year
2003
NTIS Accession No.
NTIS Price
Issue of Publication
5
ISSN
0038-223X
NIOSH Division
SRL
Source Name
Journal of the South African Institute of Mining and Metallurgy
State
WA
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