An optimal condition based maintenance scheduling for metal structures based on a multidisciplinary research approach

Jawwad Latif, Zulfiqar A. Khan, Mian H. Nazir, Keith Stokes, Richard Smith

Research output: Contribution to journalArticle

Abstract

Latest research findings show that the deterioration of metal coatings results due to complex combination of material and meteorological parameters. The classical maintenance scheduling do not consider complex interface of materials and meteorological parameters to determine optimal maintenance framework. The cost of recoating can be optimised through appropriate selection of coating specifications and maintenance strategy. This research provides a multidisciplinary algorithmic approach to determine cost-effective solutions for recoating. The specifications of red oxide primer coating and structural steel substrate system are considered for simulation analysis. The results show
that the appropriate selection of 10% increase in coating thickness based on coating-substrate system specifications resulted in 20–25% reduction in annual patch failures which reduces 5–6% cost of recoating. Furthermore, the proposed model also simulated to compare Patch recoating and Part recoating strategy and algorithm show that the Part recoating is cost-effective as compared to Patch
recoating if number of annual patch failure is greater than ‘2’ and area of the part is ‘2’ times larger than the area of the patch. Contrary, the Patch recoating results in low cost if the part area is ‘10’ times larger than patch area and number of annual patch failures are less than ‘7’.
Original languageEnglish
Pages (from-to)1366-1381
Number of pages16
JournalStructure and Infrastructure Engineering
Volume15
Issue number10
DOIs
Publication statusPublished - 3 Jun 2019

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coating
Scheduling
metal
Coatings
Metals
cost
Costs
Specifications
substrate
Metal coatings
Substrates
Deterioration
steel
oxide
Oxides
Steel
simulation
meteorological parameter
material

Cite this

Latif, Jawwad ; Khan, Zulfiqar A. ; Nazir, Mian H. ; Stokes, Keith ; Smith, Richard. / An optimal condition based maintenance scheduling for metal structures based on a multidisciplinary research approach. In: Structure and Infrastructure Engineering. 2019 ; Vol. 15, No. 10. pp. 1366-1381.
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An optimal condition based maintenance scheduling for metal structures based on a multidisciplinary research approach. / Latif, Jawwad; Khan, Zulfiqar A.; Nazir, Mian H.; Stokes, Keith; Smith, Richard.

In: Structure and Infrastructure Engineering, Vol. 15, No. 10, 03.06.2019, p. 1366-1381.

Research output: Contribution to journalArticle

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